Two nervous systems, one body
Ida's framing of the autonomic system always begins by distinguishing it from the central nervous system — not as a separate territory but as an older layer of the same governance. In her 1975 Boulder advanced class she pressed students to name which system was in charge of which functions, and corrected the casual assumption that the muscular system somehow controls the nervous system. The reverse is true, and the autonomic system is what runs the unconscious processes that the central system never reaches into except through indirect means. This is the foundational distinction the practitioner has to hold: there are two nervous systems, they communicate, they are not discrete, but they are in charge of different levels of functioning. The work the practitioner does on the myofascial body affects both, but the route into the autonomic system is almost entirely structural — through the position of the spine, through the freedom of the prevertebral tissue, through the unjamming of plexi that lie alongside or embedded in muscles the hands can actually reach.
"Hold it. Hold it. Hold it. Hold it. It's under the control of the voluntary muscle. Well, it's the oldest system. The centralist. Alright. It's it's the newer system. It's the newer system. It not only is the newer system, but the nervous system is not under the control of a muscular system ever. The nervous system is in control of the muscular system. But this is the answer, you see. The autonomic system is the old nervous system, and it is in charge, more or less, of unconscious processes. Now some of you probably know that there has been a great deal of work done in the last ten years demonstrating that you can get to the autonomic system through the central nervous system. You can get to involuntary functioning through voluntary desire and control. And this is important, but it's not important to us at this minute. At this minute, what I want you to clearly understand is that there are these two reasonably distinct nervous systems in the body and that they are in charge of different functions, different levels of functioning. That they connect back and forth. I mean there are strands from the central nervous system that feed into the plexus. So that they are not discrete."
From the 1975 Boulder advanced class, correcting a student's confusion about which system controls which:
The teaching beat here is simple and load-bearing: the autonomic system is in charge of what the practitioner cannot consciously address but can structurally affect. Ida's pedagogical move in this passage is to give students examples of awareness rather than control — the child who reports an urgent need for the bathroom versus the adult who can follow a contraction up the ascending colon, across the transverse, down the descending. The adult is not controlling the bowel; the adult is differentiating awareness of what the autonomic system is doing. This is the same kind of differentiation the work is after structurally. As the body becomes more ordered, awareness of internal processes becomes more refined, and the autonomic system functions in a less embattled way. The bridge between structure and autonomic function, in her teaching, runs through this growing awareness — but the awareness itself depends on the structural conditions being met.
"So that they are not discrete. But in order to have a good functioning body, both those systems have to be organized and working and growing and alive and aware. And as you people go through your romping and your romping experiences, and as other people go through it for that you begin to find out how much more awareness you can have of what is going on in that autonomic system and what it controls. For example, you remember that as a child, the function of the bowel was, oh, mama, I have to go to the bathroom quick. But the function of the adult man says, well, there's something going on here, and it doesn't feel quite right. I have a slight pain right here. There must be a contraction right here, and perhaps you will follow that contraction as it goes up the Ascending colon. Up the ascending colon, across the transverse colon, down the descending colon, and all of a sudden, now, you better get to that bathroom. But you see, you begin to differentiate as you begin to differentiate everything else in there. But you begin to differentiate functioning that is controlled by the autonomic system too. The child goes to sleep at once. He's wide awake one second and another second he's asleep. But the adult goes through all kinds of differentiating phases on his way to sleeping and on his way to waking. All of this is on the road of greater awareness. Now to what extent you are likely to develop control of this, I don't know. This probably depends on the individual. But to the extent to which you can help yourself to become more aware of what is working inside that skin, that I know that you can double and treble and quadruple. Now this is also true of patterning, that you can increase the awareness, but if the patterning is hung up by the kind of admiration that you have that needs Ralph and you get to the wall and you don't get beyond it."
Continuing in the same Boulder class, she moves from the anatomical distinction to the experiential one:
The system that lies in front of the spine
Where the autonomic nervous system actually lives, anatomically, is the next teaching beat — and Ida returns to it repeatedly across her advanced classes. The system runs down the anterior surface of the spinal column, sometimes embedded in prevertebral tissue, sometimes lying right on top of it. This is why she keeps insisting on the prevertebral muscular drag as a structural concern: when the spine is jammed, when the lumbar dorsal junction is collapsed, when the psoas has gone short, the autonomic chain is mechanically compressed by the very tissue that should be supporting its environment. The lumbar plexus lies on the surface of the psoas. When the psoas is knocked out, the plexus is no longer pumped by normal movement; fluid stops flowing in and out of cells; metabolism falls off. This is one of those moments where Ida's teaching links a specific structural unit to a specific autonomic consequence with the directness of a mechanic naming which gasket has failed.
"is a very important, very significant area for the vital functioning. The reason it is very important for the vital functioning is because this old autonomic system lies sometimes almost embedded in it and sometimes right on top of it. So that anything that begins to seriously shake up that prevertebral tissue there, the tissue that lies immediately in front of the reticle, is going to affect the metabolism of the viscera. And that autonomic nervous system functions by means of a series of plexi as all of you know. Now one of them is literally embedded in the psoas. The lumbar plexus lies on the surface of the psoas. Therefore, when you have knocked out a psoas, you have removed the underpinning, so to speak, from the lumbar plexus. It is no longer exercised. You no longer get the extension and contraction that you get through normal movement. You no longer get the movement which pumps fluid into and out of cells. Now this is an extremely important consideration. One says it very quickly and you think, well now that's done. We will handle it, so to speak, specifically in those fifth and sixth hours. Think of it in those fifth and sixth hours. But you see in point of actual fact, this is one of the hardly secondary, almost a primary goal."
From the 1971-72 IPR teaching tapes, walking students through the structural anatomy of the autonomic chain:
The implication, which Ida draws out in the same passage, is that the lumbar plexus is not a peripheral concern. It governs the autonomic supply to intestinal digestion, intestinal elimination, the gut, the kidneys, the adrenals, the reproductive system. When the practitioner organizes the psoas in the fifth hour, the immediate effect being sought is mechanical — a freer movement of the trunk on the legs — but the structural consequence reaches into the visceral life of the body. This is also why she resists letting students think of the work as treating organs. The practitioner cannot reach into the abdominal cavity and rearrange a liver. But the practitioner can reorganize the myofascial tissue whose position determines the metabolic environment of the plexus that innervates the liver. The work is always mediated, always indirect, always structural.
"But you're affecting, what you are affecting is the metabolism, the tissue metabolism, to respond. But you're now affecting it as a blend, as a specific modular mechanism. But it's extremely important that you people realize that the old nervous system of the body, autonomic nervous system of the body, all lies in front of the spinal column. Terms of fairly close juxtaposition in the prevergible tissue. Now this means something to you people in terms of establishing, in terms of what you can expect to get from establishing balance. Because by implication for the last two or three days, I have been sort of hunching on the importance of prevertebral muscular drug and trying to make it apparent to you that the prevertible tissue has a role in balancing the postvertible tissue. And I'm not really talking about the tough prevertible plexus that are on the anterior surface of the trunk. I'm talking about the prevertebral tissue that lies precisely in front of the vertebrae. That is a very important, very significant area for the vital functioning. The reason it is very important for the vital functioning is because this old autonomic system lies sometimes almost embedded in it and sometimes right on top of it. So that anything that begins to seriously shake up that prevertebral tissue there, the tissue that lies immediately in front of the reticle, is going to affect the metabolism of the viscera. And that autonomic nervous system functions by means of a series of plexi as all of you know. Now one of them is literally embedded in the psoas. The lumbar plexus lies on the surface of the psoas."
From a 1971-72 teaching session, pressing on why the prevertebral tissue matters so much:
There is a quiet but important shift in Ida's language here. She does not say the practitioner stimulates the autonomic system, nor that the work treats it. She says the work affects the metabolism of the tissue in which the system lives. The system is not the target; the bed is the target. This distinction matters because it disciplines the practitioner's intention. A practitioner who imagines they are treating the autonomic nervous system will reach for the wrong tools — pressure points, reflex techniques, neural mobilizations. A practitioner who understands that the autonomic system inherits its environment from the prevertebral tissue will keep reaching for the structural job: get the twelfth rib where it belongs, get the psoas spanning, get the lumbar dorsal junction open. The autonomic consequence follows from the structural cause.
The twelfth dorsal and the tent pole
The twelfth dorsal vertebra holds, in Ida's teaching, a position of unusual structural and autonomic importance. It is the innervation center for digestion, elimination, reproduction, the kidneys, the adrenals, the spleen — practically everything in the body that isn't the head. In one of her August 1974 IPR lectures, she walks students through this point with the patience of someone who has spent decades insisting on its significance and is still surprised that the medical literature does not feature it more prominently. When the lumbar dorsal junction breaks down, she tells them, the energy source from the adrenals breaks down. This is not a vague claim about wellness; it is a specific structural-autonomic chain. The vertebra is the innervation center; the adrenals depend on its position; the body's available energy depends on the adrenals.
"Somebody must have done some good dissection back there. Well, my point right now is trying to think of everything that happens right about this point. Well, the point is everything does happen right and about this you all realize that that twelfth rib, the twelfth dorsal vertebra, is the center for the innovation for everything around except your head. You see, it's the innovation for digestive activity, for eliminative activity, for reproductive activity, for the kidneys, for the adrenals, for the spleen, etc, etc. There is nothing within that body that doesn't have some sort of connection directly, most of them directly, some few of them indirectly, that lumbodorsal junction. And this is what is telling you of its importance, aside from the fact that you can feel it. But for all of these things to work, and particularly for the adrenal gland and the kidneys to get appropriate innervation. That lumbar dorsal junction, that twelfth dorsal vertebra, has to be working. When it breaks down everything breaks down including the energy source that's of the adrenals. So now you have a new way of looking at a body. You have a way of looking at it as an extension of that twelfth dorsal area of that luminal dorsal ridge."
From her August 5, 1974 IPR lecture, on the lumbar dorsal junction as autonomic center:
What Ida is doing here is reframing how the practitioner sees the body. The medical model presents the body as a container with organs in compartments. Ida proposes instead that the body is a structure centered on the lumbar dorsal junction, reaching outward through fascial planes. This is more than a metaphor for her — it shapes where the practitioner places attention. The third hour is not, in her teaching, primarily about the side body or the quadratus considered as one muscle among many. It is about restoring the position of the twelfth rib because the twelfth rib determines what the twelfth dorsal vertebra can do, and the twelfth dorsal vertebra determines what the autonomic chain can do for everything below it. The Boulder transcripts show her drawing this chain explicitly with students, sometimes in moments of mutual discovery where the student names a piece and she names the next.
"Organizing the quadratus, the twelfth rib becomes more elevated. Elevated. And then? Well, let's do this together. The trunk lengthens by straightening the spine. Yes. So the You see, stretch the soft tissue and then the the hard tissue, the tent pole can go into place. Oh, okay. And if it's gone Now if the tent pole is in place, place, then you begin to get an entirely different functioning in your autonomic nervous system which is dependent on the tent pole, as well as your central nervous system. But you see the functioning of that whole automatic chain is going to be affected by where those lumbar vertebrae are and how happy they are in their awareness. That's far out from me. Well, but you've made it. You know, I was thinking that the autonomic nervous system is gonna be happy depending on what the vertebra you're doing. I The autonomic nervous system runs down right in front of the vertebra. So if the vertebra are all jammed up and one is in front of the other and so forth, it's putting strain on that autonomic nervous system. It's interfering with the metabolism to the nervous system. That's an entirely new concept for me. Mean this class, not just today, but this well, in learning, I learned that there was skin, there was fascia, there was muscles, was bone, there was nervous system, etcetera, and they were like envelopes, one around the other. And now I'm beginning to see that That there ain't no such envelope."
From the RolfA3 public-tape series, working through the autonomic consequences of the third hour with a student in real time:
This passage is also a good example of how Ida's classroom teaching emerges dialogically rather than through pronouncement. She does not announce the autonomic implication; she pulls it out of the student by asking how the trunk lengthens, then naming the mechanism the student has half-described. The teaching beat — the autonomic chain depends on the structural integrity of the vertebrae in front of which it runs — is the kind of claim that would be banal as an assertion but lands with force as the conclusion of a worked-out chain. The student's own words at the end of the passage — "there ain't no such envelope" — register the conceptual shift she is after.
Valerie Hunt's measurements: what the neuromuscular envelope did after the work
In the mid-1970s, Ida's claims about autonomic effects of the work began to be tested instrumentally by Valerie Hunt at UCLA. Hunt was a movement scientist with a background in dance and physical education, and her electromyographic studies of subjects before and after the ten-session series became the first attempt to ground Ida's intuitions in measurable neuromuscular data. The 1974 Healing Arts conference, recorded across the CFHA tapes, is the venue where Hunt presented her findings alongside Ida. What Hunt found, in study after study, was that the ascending and descending slopes of muscular activity — the envelope of contraction — became markedly more regular after the work. The interpretation she offered located the change in the sensory nervous system, which has to judge how much energy a piece of work requires and modulate the muscle accordingly. The modulation, after the work, was smoother.
"much more regular after Rolfing. Well, that could be described many, many technical ways, and that is it has to do with a sensory nervous system. We have to judge through our sensory system how much energy is required to do a particular piece of work and modulate the amount of activity of the muscle to that particular job. Here the modulation was very smooth. There was what we call recruitment of other motor units so that fatigue was not as great."
From her 1974 presentation at the Healing Arts conference, reporting the electromyographic envelope finding:
What Hunt offered next, in the same presentation, was the more speculative claim that interested Ida most. The smoother envelope, Hunt suggested, might reflect a downward shift in the locus of motor control — from cortex toward midbrain or spinal cord. The cortex, she observed, is inefficient: two muscles counteract each other at the same time, the pattern is not well established. The midbrain produces rhythmic movement and innervates the great proximal joints — shoulders, hips, trunk — which is, as she noted in an aside, one of the areas the work concentrates on. The spinal cord level produces the kind of effortless, finalized movement an athlete remembers from one magnificent shot they cannot reproduce on demand. If the work shifts the locus of control downward, it relocates movement away from the noisy cortex and into the quieter, more efficient older centers.
"I have a feeling, although I can't prove it, that there was a downward shift in the control of the movement. This is a tremendously important one. There are three major upstream sources."
In the same presentation, offering the downward-shift hypothesis:
Hunt's second study, conducted somewhat later, extended this work into the territory Ida had long claimed: that the work altered anxiety states and emotional functioning. The findings here were more striking and harder to interpret. Subjects came in with patterns of constant low-level neural activity that resembled the patterns Hunt had previously recorded in high-anxious people. After the series, the same subjects showed patterns resembling those of low-anxious people. Hunt was cautious — she did not yet know whether the work was directly affecting the anxiety state or whether the anxiety state was the autonomic consequence of the structural change. But the EMG data did not lie. The constant background of neural firing had quieted.
"because before the pattern of constant neural activity was very similar to one I had found with high anxious people. And after rolfing, it was very similar to the one I found with low anxious people. And I wondered whether rolfing really affected the anxiety state of an individual."
Reporting her second study to the 1974 conference:
What is striking in Hunt's reporting is the way her findings tracked the population rather than the procedure. The work did not push every subject in the same direction; it pushed each subject toward a more centered, more available range. People who came in with too much low-frequency activity lost some of it. People who came in with too little gained it. People who came in with very low amplitude vitalized; people with too much amplitude moderated. The spectrum of possibilities for moving efficiently, she said, was tremendously increased. This is exactly what one would expect from an autonomic-mediated effect: not a fixed change in one direction but a return toward homeostatic range.
"that the spectrum of possibilities for moving efficiently was tremendously increased after the rolfing."
Hunt's summary statement on the population effect:
The most counterintuitive finding came from baseline measurements of bioelectric activity. Hunt had expected, on standard physiological assumptions, that an increase in baseline electrical activity would indicate increased tension. What she found instead was that the baseline rose after the work — but the moment the subject began an active task, the baseline dropped far below where it had been before. The conventional interpretation broke down. Hunt's tentative resolution was that the elevated baseline reflected greater openness to experience rather than tension. It was an autonomic readiness, available to drop into engagement when the task demanded, rather than a chronic background hum the subject had to push against.
"that I found what we call baseline of bioelectric activity was increased after Rolfing, particularly when an individual or specifically, when the individual was sitting down in between active events and I could not understand this. I thought, surely we have in the past said that when the baseline of bioelectric activity goes up, the individual is more"
Hunt reporting the baseline finding that did not fit conventional interpretation:
The fifth and sixth hours: working into the visceral bed
The autonomic consequences of the work are most directly addressed in the fifth and sixth hours, where the practitioner reaches into the psoas, the diaphragm, and the deep rotators of the pelvis. Ida's framing of these hours in the RolfB6 tape series makes the autonomic-nervous-system stakes explicit: by organizing the psoas, the practitioner is, as she puts it, almost reaching with the hand into the lumbar plexus and affecting the structures the lumbar plexus innervates. This is not metaphor. The plexus lies on the surface of the muscle. To restore its environment is to restore the mechanical conditions under which it can do its visceral work.
"But the fifth hour is no less important because by the fifth hour, you are beginning to utilize what well, like in all of these hours, you are beginning to utilize what you have made in the fourth hour in terms of balance and in terms of freeing. You are beginning to use this to go up into the body, into the rest of the body, and relieve tension on organs. And you're doing this through the ir relationship, is other thing own. Muscle, which is is really concerned with the horizontal organization of the pelvis. But primarily you are doing it by virtue of the fact that you are organizing the psoas. And in your organization of the psoas, you are almost reaching with your hand into the lumbar plexus and affecting the characteristics of the lumbar plexus, the inner the the structures which are innervated by the lumbar plexus. So that you see you get into all of that abdominal all those abdominal organs. You're also affecting the diaphragm. And through the diaphragm, the solar plexus. And through the diaphragm, the position of the heart. The behavior of the heart and the stress on the heart."
From the RolfB6 teaching tape, on the fifth and sixth hours as autonomic work:
What is notable in this passage is how Ida links each piece of the structural sequence to its autonomic consequence without losing the structural specificity. The fourth hour positions the floor of the pelvis. The fifth turns it up in the front to support the abdominal organs and reaches into the psoas-plexus environment. The sixth balances the rotators and the sacrum. Each is a mechanical job; each has visceral consequences mediated through the autonomic chain. The pedagogy is consistent across her advanced classes: do not try to treat the visceral or autonomic effect; do the structural work, and the visceral and autonomic effects follow because the bed has been reordered.
"It makes sense in a certain sense but you've got to realize that when you're bringing out these ideas, you have to not merely look at this thing as a balance between muscles, but as a balance between nervous systems. Because those tiny little muscles that you're talking about are autonomic, autonomically innovated. Now I don't know what the innovation of the psoas is, but I certainly know what the innovation of the rectus is. And I think that psoas is also centrally innovated, and that whereas it may have some autonomic strands, that it's got to be centrally innovated because it is too much involved in the act of walking. You have got to get central innovation and voluntary control of anything that does as much as said. I'm still struggling trying to explain the experience in terms of that feeling of strength in the extension."
From her August 1974 IPR lecture, responding to a student's question about how the psoas balances with deeper spinal muscles:
Ida's distinction here is consequential and not fully worked out even in her own teaching. The small intrinsic muscles close to the vertebral column, she suggests, are autonomically innervated — they participate in the slow, tonic, adjusting work of postural maintenance. The larger extrinsic muscles, including the psoas because of its locomotor role, are centrally innervated. The balance the practitioner is after is therefore not just mechanical but a balance between two systems of governance. This is one of the places where Ida acknowledges she is on uncertain physiological ground — she says she does not know the innervation of the psoas — but the conceptual point holds. The work is organizing relationships between two nervous systems through the myofascial tissue they share.
The seventh hour and the cervical plexi
The seventh hour, devoted to the head and neck, is where the autonomic theme returns explicitly because the cervical region contains the superior, middle, and inferior cervical ganglia of the sympathetic chain. Ida's 1976 advanced class transcripts show her insisting that students take the autonomic anatomy of the neck seriously. She gave them a written assignment: half a page on what constitutes the autonomic system, a few sentences on its early history, a description of the difference between sympathetic and parasympathetic, between gray and white matter. The assignment was not academic. She regarded with horror, she told them, the prospect of practitioners working in the cervical region without knowing what lay an inch beneath their fingertips.
"seventh hour, all of a sudden, you've got to think in terms of flexi. Thank you. Okay. Now let's give some consideration to why you are all leafing through your books, looking for a brand new set of indices, namely ganglia of the sympathetic the autonomic system. Several of you in this room that could do a much better job than I in this immediate discussion here. But at any rate, let's look in our mind's eye at the way the autonomic nervous system lies on the anterior surface of the spinal column. And realize recognize and realize that this has to be that this the nervous system, the nervous tissue necessarily necessarily is directly influenced by the position of the spinal column. It can't be otherwise. And that that which contributes to the well-being of the tissues that wrap the spinal column necessarily contributes to the well-being of the autonomic nervous system? Well, that's a question I'm gonna be asked. Why? Okay. Why? You tell me. I don't know the right answer to that. Well, I tell you why I think, and you can't say it. And I couldn't say it outside this room. Maybe I would have shut my mouth in this room. I think there are more flows in a body than the fluid circulatory flows that run-in blood vessels and seep through membranes. I mean, the kind of flow that we recognize. I think there is a flow of energy field. I think think this is what we're demonstrating."
From her 1976 advanced class, on the autonomic anatomy the seventh-hour practitioner must understand:
This is one of the most candid moments in the autonomic teaching. Ida acknowledges that her conviction about why the cervical autonomic work produces effects on hearing, sight, sinuses, hay fever, and emphysema goes beyond what conventional physiology can supply. She names her speculation — that there is a finer energy body that organizes the material body — and immediately tells the student she would not say this outside the room. The historical record here is of a teacher caught between what she has observed clinically over decades and what she can defend with the physiology textbooks available to her. The empirical pattern is real; the mechanism, as she admits, she does not fully know.
"to you of the significance of these. And I think that some of the cures that the cervical school of chiropractors credit to chiropractic are really not due to the cervical vertebra, the second and third cervical vertebra, as much as they are due to the replacement, you see, of this chain autonomic. Like so. The fact of the matter remains that as you do a proper job on the neck and the head and the organization of that top segment of the body, you get all kinds of very dramatic episodes coming in in terms of hearing, in terms of sightedness, in terms of hay fever, in terms of 20 year old sinuses and post basal drips and that sort of thing, as well as in terms of an asthma and emphysema and all of these things. You just always put your finger on and turn around when you get into that next structure if you do a good job. So that you have here one of most important hours as far as your affecting well-being is concerned. So today, we're going to have to start on Frank with this seventh hour. And in as much as he's a, quote, fresh guy anyway, we could expect to have a fresher guy around. I would suggest that at this moment while we're waiting for him, This has been briefer than well, it hasn't been briefer than usual because we have an unusual lineup."
From the RolfB6 teaching tape, on the clinical consequences of the seventh hour:
Ida's claim about chiropractic is worth pausing on, because it shows the precision of her thinking about mechanism. The upper cervical vertebrae and the autonomic chain that runs in front of them are anatomically adjacent but functionally distinct. A chiropractic adjustment of the second and third cervical vertebrae may produce dramatic effects on hearing, sight, or sinuses — but Ida's reading is that the effects come not from the bony movement per se but from the resulting change in the autonomic chain's mechanical environment. This is consistent with her general doctrine that the structural work reaches the autonomic system through reordering the bed in which it lives. The chiropractic produces an autonomic effect almost incidentally; the Structural Integration practitioner can produce the same effect more reliably by addressing the whole context rather than the single vertebra.
"Yesterday, we were talking about cervical ganglia that we recognized as units in the autonomic system. And I promised at that time to the advanced group at any rate that I would try and get them some nice pictures of cervical ganglia as units in the autonomic system. Thanks to the presence of this book, we have thanks to the activities of that informed bit of energy which when it's walking around we call Doctor. Frank Wenger. We have this book. It is a very valuable book and let all of you hear this. It is my book and you treat it with respect. You don't go doing this to him. But if you could, I'll let you look at a picture or two. I want two pair of glasses. Neither one of them does very well. Yeah. Okay. Okay. Can go down down there. I know if they don't give us a ticket going down there, we just play with her. I swear I'm gonna. Oh, good. Don't get it cleaned. I couldn't see whether it was. Well, how would it be if somebody kept talking about that? Chuck, what do you know about the autonomic nervous system? Very little. That's fine. Go and expose how little you know. I suggest you make it a request. The part of it is related very, very strongly to the glandular system. Part of the glandular system is part of the autonomic nervous system as I see it. Anyone or any imbalance between these two Oh, I think somebody took these pictures and cut them out of here last night. Does anybody that book Well, alright. That's too intelligent for me. Now do you hear one of the implications in which what Frank has just said? He is saying to you that when and as you get diseases which are basically glandular lax, you're going to be affecting the autonomic nervous system, and the autonomic nervous system is going to be affecting the way the body works."
From the 1976 advanced class, with Frank Wenger contributing on the autonomic-glandular interface:
The old nervous system and the energy centers
In her 1976 Boulder advanced class, Ida offered a longer historical framing of why the autonomic nervous system matters so much for the work the practitioner is doing on the pelvis. The autonomic, she argued, is the old nervous system — the one that ran the body when survival was the only urgency and speed was not yet at stake. The central nervous system came later, in response to evolutionary demands for faster motor response. But the emotional life of the body, she insisted, still lives in the old system. The energy centers that the metaphysical traditions have called chakras are located, anatomically, along the old autonomic chain in front of the spine. This means that as the practitioner aligns the pelvis mechanically, they are also affecting these energy centers — not by intention but by structural consequence.
"But at this point I'm trying to keep you into account considerations. What you are saying is okay and the reason for it is that as one gets that pelvis more and more mechanically aligned, you are beginning to affect energy centers. Because those energy centers as far as we know, as far as we have been traditionally taught by people who never heard about energy centers but heard about something that they called chakras, those energy centers are located somewhere practically the middle of the body, in front of the spine, anterior to the spine, and up through the old nervous system, the old original nervous system, which apparently we have had as long as we have been living beings on earth. See, in the old, old, old, old days, you weren't in a hurry. Your sole interest was survival. And in those days, that old autonomic nervous system was a pretty darn good system for survival. And it wasn't until we got into newer days when we had to get a move on in order to get away from the guy that was throwing a spear at us, that we decided we had to have a different type of nervous system that could demand a faster response from the flesh. And then this was necessary to survive. So then we begin to develop a second nervous system, the central nervous system. But the emotional response is still in the old nervous system. Emotional response is still in in the consolidation that occur at various places along that old nervous system. So we are now at a place where we have to take a brand new look at all this. And all these symptoms. This is the way you talk. How about the rest of you?"
From the 1976 Boulder advanced class, linking the autonomic chain to the energy centers of the older traditions:
This is the framing where Ida's autonomic teaching opens into her larger doctrine of structural integration as a practice that addresses the whole person. The practitioner who reorganizes the pelvis is not merely improving locomotion. They are creating the conditions under which the autonomic chain, the energy centers, and the emotional life that lives in both can function more freely. Whether one accepts the chakra framing or not, the underlying observation Ida is making is consistent with what Hunt's EMG data showed: that subjects after the work had quieter background neural activity, more available range, and a settled rather than activated baseline. The autonomic system, in both languages, is the system that has stopped fighting itself.
"What is what he's describing there is a test of balance? Something isn't out of line. Something isn't catching. Something is balancing its opposite number. And so you get this uninterrupted wave through the body. Now actually that wave occurs in the mesodermic body. But the behavior pattern out of its hills is in the ectodermic body. In the body that has derived from the ectoderm, the nervous system. And it may or may not, it probably will but not predictably, carry through into that endomorphic endomorphic, endomorphic body, the gut body, the gland body. Doctor, how does it carry too many of you? I don't know. Several things in life I don't know. Don't you hear how that question violates what we are preaching in. Don't you hear how you are asking What you see as you look at this, you begin to see how balance is necessary between bodies as well as within bodies. Certainly you've got to balance muscles in that connective tissue body. And this is where you can start because myofascial units or something you can lay your hands on. With your hands you can affect it. With your hands you can put it somewhere and ask it to work. You can't do that with the stuff that derives from the ectodermic product. You can't get ahold of a nerve trunk and just pull it hither and yon and expect to get service up. But you can do it with myofascial tissue. Therefore, your myofascial tissue becomes something that is infinitely valuable to you because you can reach it. You can't just get ahold of a thyroid gland, for instance, and drag it around for the young and expect to get the service out. But you can get ahold of a lot of myofascial tissue in the neck which controls the nervous innervation of the thyroid and drag it around. This is the basis of all manipulative systems, though not all manipulative systems are aware of what is their strength and what is their weakness."
From the 1976 advanced class, on the relationships between the bodies derived from the three germ layers:
There is a real honesty in this passage. Ida does not claim that the work guarantees autonomic or visceral change. She says it probably will follow, but not predictably. The mesodermic body is what the hands can reach. The ectodermic body — the nervous system, including the autonomic — receives the consequence of the mesodermic reordering. The endodermic body — the gut, the glands — receives the consequence of the autonomic reordering. The chain runs from hands to fascia to nervous system to viscera, with each step less directly under the practitioner's control. This is the disciplined version of her autonomic teaching: the practitioner does mesodermic work and watches for ectodermic and endodermic consequences, without claiming to produce them directly.
"After rolfing, there were particular envelopes of activity, and you could say the person is now lifting a stool, the person is now doing a particular act, particularly if you knew the act. You could say, Here is one event, here is another event, here is another event, and in between there was relaxation."
Hunt describing the EMG record after the work — what differentiated event from background:
The breath, the diaphragm, and the autonomic discipline
One of the practical autonomic teachings Ida returned to repeatedly was her warning against trying to control breathing. The breath, like digestion, elimination, and the other visceral functions, belongs to the autonomic system. When the ribs are in the right place, when the diaphragm is positioned where it should be, breathing happens appropriately. Trying to control breathing — sending it into the foot or anywhere else it does not naturally go — substitutes voluntary effort for autonomic competence and starts what she called an endless row of trouble. This is the autonomic teaching applied to the practitioner's own clinical instructions to clients.
"One after the other after the other goes out to the halls of Babylon, takes on breathing techniques that they are then introduced interop. You hear well I think of it, don't you? When your ribs are in the right place, you will do appropriate breathing. Your ribs, your diaphragm, your autonomic nervous system. When you try to control your breathing or your digestion or your excretion or your elimination or your nutrition or any of those other functions which should be automatic, you start on an endless row of trouble. Don't let me hear you telling the guy to send the breath down into his foot or as fuck anything else but he is. Because back breathing, if you've done your first hour appropriately so that you've got decent respiration in the thorax, look at the air where it should go. Now I don't mind you sending consciousness there, but I object you sending. Trying to control breathing. I don't doubt that there are a lot of you who have all kinds of I was going to say neurotic friends, but it's not quite the right adjective. People who are not happy unless they are trying to control their digestive processes. You know what happens? You all know. You all watch. A process of this sort will take care of itself within limits. I don't mean to say when a person gets really ill, all of these systems are necessarily going to work properly, they're not. But the kind of people you know, the kind of people that are sitting in this classroom, let them alone. Now you can affect the function of all bodies by feeling through the myofascial system. But you see what you are doing then and there is dealing with the whole man. And this is what we claim we do. All kinds of things can happen and frequently do. Allergies, for instance, that have been with an individual since birth can disappear and frequently do."
From the 1976 advanced class, warning practitioners against substituting voluntary control for autonomic competence:
What makes this teaching land is its consistency with the rest of Ida's autonomic doctrine. The practitioner does not treat the autonomic system. The practitioner does not instruct the client to consciously regulate autonomic functions. The practitioner restores the structural conditions — the position of the ribs, the freedom of the diaphragm, the availability of the prevertebral environment — under which autonomic functions resume their proper work. The discipline runs in both directions: against the practitioner's temptation to intervene directly in autonomic territory, and against the client's temptation to manage their own visceral functions consciously. The autonomic system is competent if its conditions are met.
Hunt's interpretation of the conserved-energy finding
Returning to the empirical thread, Hunt's most extensive data came from analyzing 1.6 million pieces of EMG information collected from subjects performing everyday tasks — walking, lifting, pushing, pulling, throwing — before and after the series. The frequency analysis revealed that after the work, subjects performed the same tasks with shorter duration and a tendency toward greater amplitude. They used more muscle contraction over a short time rather than a lot of contraction over a long time. In the context of gravity, where overcoming inertia is one of the body's major chores, this pattern is conservative of energy and improves efficiency.
"And they were also analyzed by some very new parameters that I'm going to give you on electromyography. These are the findings. After rolfing, people performed the same tasks with shorter duration and a tendency for greater amplitude. Well, what does that mean? And that is the activity of their muscle to perform a walk or a run or picking up something when it was not time they had their own time built in. They did it much shorter and they had a higher amplitude, meaning they used more muscle contraction over a short time rather than a lot of muscle contraction over a long time. Well, you would say, Is that efficient? It is terribly efficient, particularly when we are playing with gravity because overcoming the inertia of gravity is one of our major chores in moving this body or moving objects in the world. The functional results of this particular finding which held up through all of the information was conserved energy, improved efficiency, and movement being much more dynamic. The second piece of information that came out was one that I'll describe technically and then specifically. The envelope or muscular activity takes place over a time. It comes out and it has an envelope shape, meaning you contract the muscle and then you relax the muscle. As it started, or its ascending slope and its descending slope, were much more regular after Rolfing. Well, that could be described many, many technical ways, and that is it has to do with a sensory nervous system. We have to judge through our sensory system how much energy is required to do a particular piece of work and modulate the amount of activity of the muscle to that particular job. Here the modulation was very smooth. There was what we call recruitment of other motor units so that fatigue was not as great. I have a feeling, although I can't prove it, that there was a downward shift in the control of the movement. This is a tremendously important one. There are three major upstream sources. Like having a switch, a three way switch on a light, a source of energy."
Hunt presenting the EMG findings to the 1974 Healing Arts conference:
The autonomic implication of Hunt's findings, woven through her presentation, is that the work changes how the nervous system as a whole — central and autonomic together — manages the body's energy economy. The sensory nervous system, which judges how much energy a task requires, modulates more smoothly. The autonomic baseline drops during active work, indicating less background activation against which the active movement has to push. Motor units are recruited rather than co-contracted, which is the central nervous system's way of distributing load rather than fighting itself. Across all these measures, the picture that emerges is of a nervous system that has stopped working against itself — which is the functional definition of the kind of integration Ida had been claiming for decades.
But one that led me to the study, another study I will report on today, was that I found what we call baseline of bioelectric activity was increased after Rolfing, particularly when an individual or specifically, when the individual was sitting down in between active events and I could not understand this. I thought, surely we have in the past said that when the baseline of bioelectric activity goes up, the individual is more tense. However, the thing that I perceived was that once the individual started the activity, that baseline dropped to nothing, far below what it had been before. I had no explanation for this. I arrived at some, but it wasn't very good. One I said which I think will hold up is that the person was more open to the experience. Nobody can doubt it. Since I couldn't explain it anymore, I just left it there because I was quite convinced that it was not tension. I was perfectly willing to report that it was tension, but it did not have a tension pattern as I could perceive it. So my conclusions on this initial study on electrical activity from the neuromuscular system and the patterning of energy of the neuromuscular system were these: that the movement was smoother, it was larger, it was more dynamic, it was more energetic after Rolfing that there was less extraneous movements extraneous meaning extraneous to the act that the postures were improved that the erect carriage was less obviously under strain and particularly during held positions. Well, that was my first study. And my second study, which is not completed at the present time it will go into computers as soon as this conference is over, and I have a moment is titled Neuromuscular Energy Field and Emotional Systems of the Body in reference to structural integration. I the design of this is somewhat different and so is the data."
Hunt's interpretation of the baseline-bioelectric findings:
What Ida knew and what she conceded she didn't
The autonomic teaching in Ida's transcripts has a distinct epistemic shape. She is confident about the structural anatomy: the autonomic chain lies in front of the spine; the lumbar plexus lies on the psoas; the twelfth dorsal innervates most of the visceral life; the cervical ganglia run inside the neck. She is confident about the clinical consequences: good seventh-hour work changes hearing and sight; good fifth-hour work changes digestion and elimination; good third-hour work changes adrenal function. What she concedes she does not fully know is the mechanism of transmission between the structural and the autonomic — what carries the consequence from the fascia to the chain to the viscera. She speculates about energy fields, finer bodies, transducers, but she labels these as speculations and warns students not to repeat them outside the classroom.
"Control of the autonomic nervous system. Yes. This I know, but I don't see that any of it. That's really nuts. It it doesn't talk to us. That's really classical Classical physiology. Even even even though it it upsets all of the theories of stuff. But this guy, that's an interesting story. Because what I would like to do is to get all of this material together and get into one place, the kind of material that is significant to what we are doing here so that we have a textbook for structural integration. And that you don't have to go to heaven knows how many sources. The student doesn't have to go. If they really get themselves thoroughly informed in what is indicated in that text, they will have enough to put into background of general physiology and give them a way of thinking that will lead them further, you know, for preparation for research. Right. I'll I'll do some work on that. I'll get Well, you see, if you know the problem is there, when things come under your eyes that have to do with it, you may have actually a file. I'm thinking the Yeah. I'm sure. At least we can copy your file, you know, and put it out as a file for Maybe I'll ask you some Maybe you want Abstract some of the articles. Yeah. This would be wonderful. This would be wonderful, and it would be wonderful for you to just publish three sentence long abstracts in the bulletin so that among the among the practitioners, those of it who have interest and background to do that, can see whether this is where they want to go or whether it's Alright. I promise to give you some stuff like that. Oh, and the this you see, see, if you and Don between you could get one oh, two or three page long that."
From the RolfB2 teaching tape, on the gaps in the conventional physiology literature:
This concession is, in the historical record, more valuable than a confident claim would have been. Ida was working at a time when the physiological mechanisms of fascial innervation, mechanotransduction, and autonomic responsiveness to mechanical input were not yet articulated. She could see the effects in her clients across decades; she could see them again in Hunt's instruments; she could not yet supply the molecular and neurological account that would link them. Her teaching to the advanced classes is therefore a teaching about the limits as well as the contents of her doctrine. The practitioner is asked to study the autonomic anatomy, observe the autonomic consequences, and accept that the connecting mechanism remains partially conjectural.
See also: See also: Joel Aldrich, RolfB3 public tape — mathematical formulation of the work as an energy-redistribution problem, including the modeling of myofascial joints as lever-spring-dashpot systems and the prediction that reducing viscous coupling between modules would increase energy transfer capacity across the body; relevant to the broader project of supplying mechanical models for the autonomic consequences. RolfB3Side1 ▸
See also: See also: Ida Rolf, CFHA_01 (Healing Arts 1974) — Ida's defining lecture on the body as a plastic medium balanced around the gravitational line, with discussion of expanding auras after the work as a measurable energy-field correlate of structural integration; the broader frame within which the autonomic findings sit. And Valerie Hunt, CFHA_04 (Healing Arts 1974) — her concluding presentation on negative entropy, expanded auras through the eighth session, and the proposition that the practitioner-client relationship is itself a transducer of energy fields; the speculative envelope around the empirical EMG findings. CFHA_01 ▸CFHA_04 ▸
See also: See also: Ida Rolf, STRUC1 (Structure Lectures, Rolf Advanced 1974) — biographical introduction situating Ida's autonomic thinking in the context of her Barnard PhD in research chemistry (1916), her Rockefeller Institute years, and the Schrödinger lectures in Zurich that shaped her conviction that body chemistry and body physics underlie human behavior; the intellectual genesis of the doctrine articulated in this article. STRUC1 ▸
See also: See also: Ida Rolf and a practitioner-demonstrator, UNI_043, UNI_044, and UNI_083 (Open Universe Class 1974) — demonstration sessions in which a practitioner narrates the felt experience of fascial layers releasing, the warming and movement that follows pressure, and the sequence of hours leading into the seventh-hour neck work where autonomic effects become most apparent; the experiential counterpart to the structural-autonomic doctrine. UNI_043 ▸UNI_044 ▸UNI_083 ▸
The fascial body as the autonomic environment
In her 1973 Big Sur advanced class, Ida offered one of her clearest statements of how the fascial body and the autonomic system are related — not as one causing the other but as one constituting the environment of the other. The fascial planes are not only structural; they are the medium through which fluids, ions, and what she called electrical charges propagate. Infections travel along fascial planes; edema accumulates in them; their unsticking allows fluid drainage and metabolic exchange. The autonomic system, embedded in this fluid-conducting matrix, depends on the matrix being open.
"So when you are dealing with thatch, you are dealing with, from our point of view, a structural system, a structural organ, literally an organ of structure as I have discussed. But you are also dealing with a very delicate and sensitive environment in which other cells that don't have a direct structural significance live and which can be strongly and powerfully influenced by the manipulation of the fracture. For example, it is common knowledge that often times infections will migrate along the fracture planes. Fluids traverse along the planes. And when Ida talks about the body being basically an electrical something, it is also along fascial planes that these ions need and electrical charges are transmitting. So that you begin to get a feeling that it is literally another system of communication in the body. There is a way of organizing the body. For this we have the nervous system. There is a circulatory system which is another way of providing information chemicals pass through the circulatory system and information gets delayed. You can look at the fascial system in a similar way. There is a fluid system in the fascia and you see this, we had a woman yesterday, we had, where you have fluid collected in the legs. And you can literally see that once those fascial planes unstuck from each other, that fluid starts to leave and that the mechanisms that are there for the removal of that fluid can start to work. It is through the fact that that happens. It is that extrinsic fuel to which it is outside the central nervous system. Well now, my understanding was a very good Now this is a message which I hope gets across except that you understand what the pattern is like when the pattern is doing the right thing. The fact that fascia of the body can be changed is what allows it to become aberrative in the first place. And possibility of changing it allows you to step in and change it for the worse, for the better. But it is also just as possible to change it for the worse if you shall know your business."
From the 1973 Big Sur advanced class, on fascia as a system of communication:
This passage clarifies an important conceptual point. When Ida says the work reaches the autonomic system through the prevertebral tissue, she is not making a narrow anatomical claim — that the practitioner's pressure mechanically squeezes the autonomic chain into better function. She is making a broader claim about the fascial medium as a fluid-electrical-mechanical environment in which the autonomic chain is suspended. Restoring the fascial environment restores the conditions under which the chain can do its work. This is consistent with her general doctrine that the work changes the body by adding energy to the fascial organ of structure, not by treating any particular organ directly.
"It's pure physics as it's taught in physics laboratories. Now the strange part about it is that that organ of structure is a very resilient and very elastic and very plastic medium. It can be changed by adding energy to it. In structural integration, one of the ways we add energy is by pressure so that the practitioner gives deliberately contributes energy to the person on whom he is working, to not energy in the sense that you let a position throw it around, but energy such as they talk about in the physics laboratory. When you press on a given point, you literally are adding energy to that which is under that point. And in structural integration, by way of an unbelievable accident of how you can change fashion structure, you can change human beings. You can change their structure and in changing their structure you are able to change their function. All of you have seen that structure determines function to a very great degree, to a degree which we can utilize. Now the basic law of law of law law is that you add structure to the body and in so doing, that you add structure you add energy to the body, and in so doing you demand all of you are going to hear a great deal more about this as time goes on. But this is the basic reason why structural integration works. It is the basic reason why there can be a study of bodies based on a structure in the sense that we use it, and why there can be a change of function, in other words, a contribution to health, to well-being, to wholeness, and the functioning of the body through merely being able to change, to alter, to modify. Is a very basic consideration which I just offered you. It is the basic consideration that makes all manipulative techniques something to be considered. You see, our dominant school of healing is not manipulation, as you all know. It works through chemistry. And the reason this is so is because the chemical school of healing came to its own about one hundred and twenty five years ago."
From the 1973 Big Sur advanced class, on the basic mechanism of the practice:
See also: See also: Ida Rolf, IPRCON1 (Mystery Tapes CD2, 1971-72) — her account of how the work developed from an Esalen-era art form (Fritz Perls and the early community) into a more analyzable, replicable method, with the claim that gravity is the therapist and the practice changes the basic web of the body so that the therapist can reach it; the historical context for the autonomic doctrine's maturation across the 1970s. IPRCON1 ▸
Coda: the autonomic teaching as a discipline of indirection
What emerges from the transcripts, taken together, is an autonomic teaching that is fundamentally a discipline of indirection. The practitioner does not address the autonomic system. The practitioner addresses the myofascial environment in which the autonomic system lives. The structural work reorders the prevertebral tissue, restores the psoas to its spanning length, returns the twelfth dorsal vertebra to its place at the lumbar-dorsal hinge, opens the cervical region in which the sympathetic ganglia sit. The autonomic consequences — digestive, eliminative, respiratory, glandular, emotional — follow from these structural causes through mechanisms Ida acknowledged were not fully known. Hunt's instruments confirmed the empirical shape of the consequences without resolving the question of mechanism.
The discipline this imposes on the practitioner is severe. They must know the autonomic anatomy well enough not to work blindly in the cervical region. They must understand the structural-autonomic chain well enough to recognize the visceral and emotional changes that follow good fifth, sixth, and seventh hours. But they must not imagine they are treating the autonomic system, and they must not instruct clients to consciously manage autonomic functions that the structural work has restored. The autonomic system is the system that should not need to be managed; the practitioner's job is to restore the conditions under which it can run itself.
"Then if Roelfing upstates the static thought forms which allows thought as well as body plasticity to take place, as well as structural realignment, there will also be realignment in alteration in not only the conform the the confirmation of the body but in its repair, in its mitosis, in its continual evolution. We know that our bodies change approximately every seven years but have we ever thought that our body changed on every breath? I'm talking about belief systems now. You see, we've held some and we haven't gone any farther. Have we ever thought that atoms and molecules are constantly replacing themselves and being altered? That hormones are in a constant state of emotion and alteration? That electrodynamic and electromagnetic energy changes are occurring constantly which are affecting our body. And yet we try to conceive of the body as static and educated in the same way. And it is not. Our physical senses really tell us very little about our bodies. They tell us that which is on the surface and the outside and that's about all they tell us. And actually we have the capacity we don't have it now, we weren't educated that way. We have the capacity and we have other levels of consciousness to know and experience molecular action inside the body and to know all about it. If we talk about an educated physical body what are we talking about? Are we talking about knowing what is happening in this body, being aware of it, knowing that thought influences not only how it appears and how it looks but its health. In order to experience this level of consciousness and molecular action we have to limit and minimize body ego and body image. We do not reach that level of consciousness in the level of reality which we're commonly working. We have to open this in order to have that capacity to educate ourselves physically. Giving energy, releasing energy is help, a constant flow of it. And when we have so much individuality, so much rigidity of ego, so much rigidity of body image, we do not have ebb and flow of energies. We have a block in energies, a stiffening and a blocking."
From a 1974 Open Universe class, framing the larger implications of the autonomic teaching:
The autonomic teaching, then, is finally a teaching about the limits of intervention. The body's continuous physiological life — autonomic, endocrine, cellular — proceeds whether the practitioner intervenes or not. What the practitioner can do is remove the structural obstacles to that life. The autonomic chain, in front of the spine, embedded in fascia, running through cervical ganglia, draped over the psoas, dependent on the position of the twelfth dorsal vertebra, is one of the systems whose obstacles are most directly removable through Structural Integration. The consequences — Hunt's smoother envelopes, the quieted baseline, the broadened spectrum of efficient movement, the visceral changes Ida observed across decades — are the body's own work, resumed once the conditions are restored.