This page presents the recorded teaching of Dr. Ida P. Rolf (1896–1979), founder of Structural Integration, in her own words. "Rolfing®" and "Rolfer®" are registered trademarks of the Dr. Ida Rolf Institute. This archive is independently maintained for educational purposes and is not affiliated with the Dr. Ida Rolf Institute.

Ida Rolf in Her Own Words · Topics

Ida Rolf on Sensory organs and perception changes

Structural Integration changes what a person can see, hear, and feel — not as a side effect, but as a structural consequence of reorganizing the connective-tissue body around the gravitational vertical. This claim runs through Ida's late teaching with unusual consistency: clients in the middle of a first hour report that they can suddenly see a corner of the room they could not see before; spider webs on the ceiling come into focus; the room sounds different; the aura widens from an inch to four or five inches; the baseline of bioelectric activity rises. The article assembles these reports from her 1971-76 advanced classes and from the colleagues she invited into the room — Valerie Hunt, whose UCLA laboratory ran the EMG and aura measurements; the unnamed sensory psychophysiologist who built a perception-and-motor model of the work; Fritz Perls, who said the insights came faster than he could track. The picture that emerges is not a clean theory but a working hypothesis: the connective-tissue web is the interface between the body's energy fields and the environment's, and reorganizing the web changes what comes in and what goes out.

The first-hour report: I can see better

Ida's most-told anecdote about perception change came from her own practice. In the middle of a first hour — long before any work near the eyes themselves — a client would look around the room and announce that something had changed in their seeing. She told this story in her 1976 Boulder advanced class with the candor of someone who had stopped being surprised by it but had never developed a confident explanation. The report is anatomically anomalous: the practitioner is working on the legs or the pelvis, not on the optic nerve or the orbital structures, and yet the client's visual field has reorganized. By 1976 Ida had been hearing this report for thirty years and was still treating it as an open question rather than a settled doctrine.

"One of you the other day came to me with a great, big, wonderful, beautiful idea of why doesn't somebody in Roelfand study Sometimes you can do it. Sometimes you can do it. You will have people, you give them work, you give them their first hour, and in the middle of their first hour they say, oh, I'm seeing better. And you say, how do you know? And they say, well, I can see that corner over there clearly. I couldn't when I came in. I can see the spider webs on the ceiling, but that time you get embarrassed. You do realize that they are seeing better. Now what's been going on?"

Ida walks the class through the report and admits the limits of her explanation:

Ida narrates the first-hour seeing-better moment in the form she most often used, and explicitly names what she does not know.1

What is striking about the passage is the absence of triumph in it. Ida is reporting an observation, not selling a result. She tells the class she does not know how the seeing improves; she only knows that it does, and that the part of the nervous system most likely involved is the old one — the autonomic — and most likely at the cervical plexi. The advanced-class students hearing this in 1976 were being handed a research question, not a finished doctrine. She told them, in effect: this is here, somebody who comes after me will have to figure out what it is.

"I know that there are lots of ways that you can deteriorate your sight deliberately. I know that you can live in semi dark rooms and put on a pair of glasses so you can see, etcetera, etcetera. But I don't know how and why this works as it does. But you see, you can see the speed and expect to see, to say the same things about all organs of perception. They are highly differentiated outgrowths, if you like, want to call it that, of the nervous system with specialized jobs. And to a certain extent you are able to influence them through that wonderful old autonomic nervous system. Psyche particularly well here in Cuba. And interestingly enough the major influence on these organs comes through the innovation of the cervical plexi. The cervical plexi of the autonomic nervous system. Now there is a big field which some of you here may be interested in going into and this is the reason I'm talking this morning."

She then opens the field to her advanced students as their work, not hers:

Ida frames sight and hearing as specialization areas the next generation must develop, and points specifically to the cervical plexi as the entry point.2

Why the five senses are not enough

Sitting alongside Ida's anatomical hypothesis about the cervical plexi was a larger, more speculative claim: that the five senses are not the primary channel by which energy fields enter the body at all. In a 1974 Open Universe lecture she said this plainly and with full awareness that she could not yet prove it. Her position was that the structural nature of the eye, the ear, the tongue, the skin, the nose limits what part of the surrounding energy fields can reach the central nervous system, and that there is a much larger array of information that the body receives through some other channel entirely. The candidate channel, in her late-career thinking, was the connective-tissue web itself.

"I do not think that the energy fields are brought to us by the five senses. I think these are grossly limiting. The very nature of the five senses, the structural nature of the five senses, limits that part of an energy field which can be brought to us."

Ida states the doctrine bluntly, knowing she cannot back it up yet:

This is Ida's clearest statement that the five senses are not the primary energy interface — a position she held against the dominant neurophysiological model of her day.3

The argument went one step further. If the five senses are not the primary receivers, then the web of connective tissue — the most extensive single tissue in the body, supporting everything, differentiating everything — might be. Ida was not careful with this claim; she made it openly, knowing some in the room would dismiss it. The acupuncture points, she said, might be discrete receivers. The fascia might be the larger membrane through which the body's energy fields interpenetrate with its environment. And if so, then the work she had spent forty years developing was not merely structural realignment — it was modulation of the body's perceptual interface.

"Rolfing by reorganizing and freeing the body in its primary and most basic receptive and responsive modes. Receptive meaning the energy fields entering and responsive meaning the energy fields being dissipated."

She names what the work does to the receptive and responsive modes of the body:

The most concise statement of Ida's late-career theory of the work as a modulation of the body's energy interface, not just its mechanical structure.4

The phrasing is precise: receptive and responsive. The body takes in and gives off; the connective-tissue web mediates both directions. When the web is bound, distorted, dragging on itself, both flows are degraded. When the web is reorganized, both flows clarify. This is the conceptual frame underneath every report of sharper sight, clearer hearing, expanded aura, lifted baseline — they are all consequences, in Ida's late teaching, of having freed the same interface.

The motor side: Valerie Hunt's electromyography

The reports were not only subjective. In 1974, presenting at the Healing Arts conference alongside Ida, Valerie Hunt described the results of her UCLA laboratory studies: 1,600,000 pieces of electromyographic data, frequency-analyzed, comparing the same individuals before and after the ten-session series. Hunt's recordings registered the motor side of perception — what the muscles do during ordinary tasks like walking, lifting, throwing. What she found was that the same task, performed by the same person after the work, was completed in less time, with cleaner amplitude, with more sequential and less co-contracted muscle activity, and with what she called a more regular envelope of activity.

"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?"

Hunt summarizes the gross findings from her electromyographic study:

The most compact summary of Hunt's laboratory results on muscular efficiency after the work.5

Hunt then made the move that bridges from motor data to sensory data. The envelope shape — the rise and fall of muscular activity around a discrete action — was smoother after the work, and this smoothness, she argued, was a sensory phenomenon. The muscles knew, more accurately, how much energy the task required. The judgment of required force, the modulation, the recruitment of additional motor units — all of these are sensory-nervous-system functions. Cleaner motor output, in other words, is evidence of cleaner sensory input. The body that moves more efficiently is the body that perceives more accurately.

"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."

Hunt connects the cleaner envelope to the sensory nervous system:

Hunt's pivot from motor data to the sensory system — the technical bridge between her EMG findings and Ida's perception claims.6

The 'downward shift' was Hunt's most provocative interpretive claim and, characteristically, the one she presented as a hunch rather than a finding. The body has three levels at which a muscle can be activated — the cortex, the midbrain, and the spinal cord. Each yields a different frequency of activation. Cortex-driven movement is the kind that 'louses us up' — fine, idiosyncratic, often with opposing muscles fighting each other. Spinal-cord-driven movement is the kind that happens when a golfer hits the one perfect shot of the day and feels no effort. Hunt thought the work moved the primary locus of control downward, away from the cortex.

"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."

She names the downward shift:

The single sentence in which Hunt articulates her most consequential hypothesis about where motor control relocates after the work.7

The picture this builds: as the connective tissue reorganizes and the body comes into better balance with gravity, the cortex stops having to micromanage. The cortex is bad at gross movement; it is bad at smooth gait; it is bad at not having muscles fight each other. The midbrain runs the trunk and the great proximal joints rhythmically, and the spinal cord runs the highest-efficiency reflex movement. When the body's structure no longer demands constant cortical correction to stay upright, motor control falls to the levels designed to handle it. Sensory perception follows, because at lower levels of control the system is not burning bandwidth on its own posture.

The envelope after the work: discrete acts in a relaxed field

One of Hunt's most vivid pre/post findings was the difference in how a person's electromyographic record looked between acts. Before the work, the record showed continuous neural activity — the person could not stop being on. The pattern resembled that of a person with high anxiety; the muscles were always firing somewhere, always doing something, even when the person believed they were at rest. After the work, the record showed discrete envelopes of activity separated by relaxation. You could see, in the recording, where one act ended and the next began.

"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 describes the post-work record as a sequence of distinct acts:

This is the most concrete description of the changed sensory-motor pattern Hunt observed — discrete acts separated by genuine relaxation.8

The link to anxiety is not casual. Hunt had been recording schizophrenics and high-anxious populations in other studies; the EMG signature of chronic anxiety was something she knew. Finding that signature in random pre-work subjects, and finding it replaced by the low-anxious signature after the work, suggested that the structural intervention was reaching something the talking therapies of the day were trying to reach by other means. Whether the change persisted past the ten sessions, Hunt could not yet say. But the in-laboratory finding was clean.

"And the data indicated that there was a positive effect on normalizing the frequency of energy, but it was a selective one a selective effect based upon the particular individual difference of that person."

Hunt describes the selective, individualized character of the frequency normalization:

Hunt's emphasis that the effect is not a uniform shift but an individualized normalization — high frequencies came down, low frequencies came up, depending on where each subject started.9

This is the doctrine the Hunt studies most clearly established: the work normalizes by enlarging the spectrum, not by pushing toward a mean. A person who came in with a narrow band of high frequencies left with access to lower bands as well; a person whose system was stuck at low amplitudes left with more capacity for high contraction when required. The body afterwards has more options. This is what Hunt meant by saying that the spectrum of possibilities for moving efficiently was tremendously increased — and by extension, the spectrum of sensory and energetic responses was as well.

"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. And that's good. 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."

Hunt reports the increased baseline of bioelectric activity and her conclusions:

Hunt's most extended account of the paradoxical baseline finding — bioelectric activity went up between active events, but did not behave like tension.10

The aura: from one inch to four or five

The most contested of Hunt's findings — and the one Ida treated with the least reservation — concerned the aura. Hunt's laboratory included a sensitive whose readings of the energy field around the body were treated as data alongside the electromyographic measurements. The finding, reported by Ida in her 1974 Healing Arts lecture, was that random incoming subjects had auras roughly half an inch to an inch wide, and that after the ten sessions the same auras typically expanded to four or five inches. Ida named this as an energy phenomenon of life, without claiming to know whether it corresponded to any energy known to Newtonian physics.

"has found, for example, and will tell you about it, that random incoming people tend to have auras a half an inch to an inch in width, but after the integration of structure and the integration of the myofascial body, which is called rolfing, their auras will have increased usually to four to five inches in width. That's what we said. Wow! Obviously, we are dealing with a basic energy phenomenon of life here. Whether this really relates to or equates with the energy referred to earlier, the energy whose principal distinguishing characteristics is its failure to observe the law of inverse squares, which characterizes Newtonian energy transmission."

Ida reports Hunt's aura findings and frames the open question:

Ida's most direct statement of the aura measurement, and her care in not collapsing it into a known physics.11

The widening of the aura, in Ida's framing, was the gross visible (or quasi-visible) marker of the same change Hunt was measuring with electrodes. The body had become a stronger emitter, a richer receiver — its perceptual envelope, in the literal spatial sense, had grown. Whether the visible aura was the same field the electromyography was registering, or whether it was a distinct phenomenon, Ida refused to settle. The honesty of the refusal is characteristic: she would name what she observed, decline to invent a mechanism, and hand the question to the next generation.

"Roth discussed integration referring to the psyche as well as the soma and I refer you to the imagery that occurred particularly in the seventh and eighth sessions and as areas of the body or the body's collagen tissue were more plastic and opened up, the psyche seemed to be freed in these times. The aura was, if you remember, in the blues and going into the white. There was an expanded aura up to five feet during these times. Just to conclude and say that Doctor. Wolff reminded us that energy could be primarily could be understood by its frequencies. I might add its frequencies, its pattern and its organization. That human energies are manifest in frequencies. This is the thing I am dedicated to work on is the frequencies of human energy. It appears to me that there are either two forms of energy human energy that we now know, or there are two aspects of one form of energy: One being primarily electrical, that which is inside the body. The other I don't know whether it's by the process of structural integration they become transducers, whether it's the people of that are chosen to be Ralfords or whether Ida Zapsums. But I'm sure they're transducers and it is a relationship between two people that makes what happens happen. It is in addition to the technique. I think this cannot be duplicated by exercise, by oneself. I'm quite sure it cannot be duplicated by machines or gadgets that exercise us, that make changes in the body."

Hunt names the central interpretive claim of her late presentations:

Hunt's clearest summary of her two-form energy hypothesis and the role of the practitioner as transducer.12

Body image: the integrating gestalt

Behind the technical reports stood a concept that Hunt and her colleagues used to organize the perception findings: body image. Body image, in their usage, was not vanity or self-evaluation. It was the integrating gestalt — the memory of every experience the person had had with their body, fused into a single image that the central nervous system used as a selection filter for all subsequent experience. If the body image was distorted, what experiences the person allowed themselves to have was correspondingly limited. The work, Hunt argued, changed body image directly, by changing the body. Other methods could be slower because they tried to work on the image without changing the substrate.

"It is not just making changes in the body. I'll talk a little bit more about that. Let me tell you a few disturbances and then we'll get off of body image into some much more exciting things. And that is, in emotional states body image always alters, it always changes."

Hunt states the doctrine concisely:

The most direct statement of Hunt's position that the work alters body image, not merely body.13

Body image, in Hunt's account, is built from kinesthetic, tactile, visual, and social experience over the first five to seven years of life and fuses into a stable gestalt that the person carries thereafter. Disturbances of body image — schizophrenic episodes, phantom limb, hyperactivity in children, the body-image distortions of aging — are markers of disorganization in the perceptual system. When body image is rigid, the person cannot allow themselves new experiences; they perceive other people's bodies only in terms of their own. When body image opens, the perceptual field opens with it.

"And that is, in emotional states body image always alters, it always changes. During sleep we know that we diminish the boundaries of body image. When I described to you I had the death experience in channeling, I lost body image the first time in my life I ever remember having lost a body image. It's a rather weird experience because you don't really exist when you lose it. There is no existence in reality as you and I know it. During sexual intercourse there is a fusing of body images so there is a change in body images. In physical injury we always have some kind of exaggeration in body image. You've been to the dentist and had an overcame and you think the side of your face is hanging out like this. You know, it really isn't."

Hunt enumerates the conditions in which body image alters:

A scholarly inventory of body-image disturbances that situates the work alongside the other major routes of body-image change.14

Plasticity: the cultural assumption the work breaks

Perception change is not only a matter of altered sensory function. It is also a matter of altered cultural belief. Hunt argued in her Open Universe class that the deepest perceptual shift the work induced was not the seeing of spider webs but the dawning recognition that a body can change shape at all. The cultural assumption that bodies are fixed — that they only get old, never reorganize — is so embedded in the modern sensorium that experiencing its violation is itself a kind of perceptual revolution.

"However, what seemed implicit in there, which I don't think happens, is that they're separate, that they don't have a lot of necessary changes in their assumptions, convictions, opinions, and decisions about life as a result of their body changing. This is the this was the question that I asked. That just the very fact that a body can change shape within thirty minutes, you know, or two minutes really, is a tremendous cultural assumption. The kind of thing you're talking about, bodies don't change except they get old would be another way to put in that test. You see? That one is a a very strong one in our subconscious, I think, and that one is blown, you know, in the first two minutes of raw."

Hunt names the cultural assumption the work blows in the first two minutes:

Hunt's argument that the deepest perceptual change is the breaking of the conviction that bodies cannot change.15

Ida said the same thing in different language. The body is a plastic medium — a claim that, she observed, would have gotten her institutionalized fifty years earlier. The plasticity of the body is the precondition for everything else the work does: if matter does not yield, the structural changes are not available; if structural changes are not available, the perceptual changes that ride on them are not available either. The first hour is not only an intervention; it is also a demonstration to the client's nervous system that the constraints they assumed were absolute are not.

"All schools of body mechanics teach this measuring stick and verticality, but no other school of body mechanics teaches how to achieve it. But because the body has an unforeseen, unexpected quality, it can be done. The body is a plastic medium. Now this is incredible, and twenty five years ago, no one would have believed this statement. Fifty years ago, they'd have put me in a nice sunny southern room. You've given me pretty good care, maybe. But the body is a plastic medium, and you're going to hear that several times before we get out of here today. Now, we are ready to define rolfing structural integration."

Ida names plasticity as the doctrine the work depends on:

Ida's most direct statement of plasticity as the structural prerequisite for everything else.16

Memory in tissue: the unexpected sensory event

The perceptual changes the work induces are not always pleasant or anticipated. Sometimes the sensory event during a session is the return of a memory — auditory, visual, kinesthetic — that the person had not known they were carrying. Ida told a long story in her 1971-72 sessions about a seventy-year-old woman who began screaming on the mat during a session. The screaming resolved, when Ida asked the woman what she could see and hear, into the auditory memory of an ambulance bell arriving at the scene of a car accident the woman had been thrown unconscious from many years earlier. The unconscious body had been recording while it could not perceive consciously.

"Well, I remember very definitely the first very serious, shall I call it, problem that I had when I was working on a little lady she was about, oh, I don't know, may perhaps a 70 year old. And all of a sudden, in the middle of my rolphin, she was lying on the on the mat on the floor where I rolfing there on at that time in on the floor mats. All of a sudden, she started screaming. Simply at the top of her lungs, she started screaming. And I started being terrified because after all was said and done, were the neighbors gonna send to the cops? And what was I gonna tell the cops when they knocked at the door? And could I leave the woman to open the door to the cops? And etcetera, etcetera, etcetera. And she kept right on screaming. And when I finally got the thing on unlatched, I did it by saying to her, now what do you see? And she saw cars coming down the road. Well, what do you hear? Well, she heard this a bell, and this bell developed into the ambulance bell. And she had been in a an accident in an automobile accident where she had been very badly hurt, and she had been thrown out of the car, and this ambulance was coming to pick her up. And the cop was bawling the driver out and saying to him, you don't know how to drive. You'll never know how to drive, etcetera, etcetera. And all this this unconscious woman lying on the ground was hearing. And this was what she was reproducing on my mat. Now was that because you had manipulated part of her body that brought that back? Brought her body back from the changes that had occurred in there to the normal position which you have had before she was in this accident."

Ida tells the story of the screaming woman and the ambulance bell:

The clearest single anecdote in the transcripts of a tactile intervention triggering an auditory memory that had been encoded during unconsciousness.17

Ida did not theorize this episode at length. She did not need to. The point she was making — that tactile work can release sensory material the conscious mind has no access to — is enough to disturb the standard model of sensory perception, in which only what is consciously attended is encoded. Hunt's downward shift, the deeper levels of control coming online, the connective-tissue web as a receiving organ: each of these threads makes the screaming-woman story less anomalous and more diagnostic. The body remembers what the person does not. The work asks the body.

"I just felt releasing of, I I would call toxins or having one muscle attached to another, and I could also feel my left shoulder raising up towards my head. Are you experiencing any kind of emotion while he's working on the center? The emotion that I feel is working with is a pain. It's like a pain that you've never experienced before. So it's basically, I'm going with the pain, experiencing pain and feeling the muscle. Are you having any flashes back to times of emotional conflict? Tell us if you do if there's something that you wanna share with us, feel free. Not that I'm aware of now. Early night, Rolfing? But not so much anymore. Not much."

A client on the table reports the sensory event in real time:

An unusually direct in-session report of the perceptual quality of the work — pain unlike any previously experienced, then vibration, then expanding wavelengths registered as energy.18

Eye level and spatial orientation

Among Ida's senior colleagues, one of the most practical observations about perception change came from work with the eyes themselves as orientation devices. In a 1976 teachers' class, the senior practitioner walking the room described eye level as one of the most important indicators of where a person locates themselves in space. After a session, the room is not the same height it was; the practitioner is no longer at the same eye level; the client's vision is reporting to them that the floor has moved, even though structurally what has happened is that the client has lengthened. The visual system must be given permission to recalibrate.

"The eyes to me are one of the most important indicators of where a person is in space. If they walk into the room and this is vertical to them where my eye level is, you may work on them and they have the capacity to be there. But their eyes tell them in the height of the room that, one, they are only this high when they stand upright, and two, they are back here, and you take them here, that's a whole new orientation. So you've got to tell them it's all right to let their eyes play tricks on them just for a moment until they take that space or maybe ask them to close their eyes while you help them find that. Ask them to open their eyes and then, you know, take a sense of where they are. I cannot tell you how often happens. It's the eyes. As soon as a person will start to walk them, even beginning here, you'll see them and they go down because their eyes tell them this is where they walk. So you're saying that there's a component of spatial orientation that has to do with vision that you've got to help someone reprogram if they're gonna take a new posture. Mainly just give them permission to find that new program. Alert them to it. Isn't using mirrors sometimes to help find it? I'm just getting your awareness. It's not going back."

A senior teacher tells the class to attend to eye level as the client takes new space:

An unusually practical account of how visual orientation must be explicitly addressed at the end of an hour because the eyes report the old height.19

The practical point underneath this advice is that perception is conservative. The body's structural change can outrun the perceptual system's calibration; the eyes may still be reading the room as if the body were at its old height, and the body, taking direction from the eyes, may sink back to its old vertical. The work asks the practitioner to coach the visual system through the handoff — to give the client permission to see from the new height. This is sensory reeducation in the most literal sense: the eye must learn the new position the body now occupies.

"that we we expect and which does in fact occur in the seventh hour. Most necks when they first come for rolfing are moved on the surface alone. They're like the rest of the body. There is very little adjustment on the inside. There's very little differentiation between the outside and the inside. Well, people when they first come through often, when you would ask them to turn their head to the right, you would get a movement like almost you feel like the whole body is moving like this, pretty much on the surface. Whereas as the hours progress you get a movement that has a differentiation of the sleeve muscles and the outside muscles moving with respect or relationship to the inside muscles."

A practitioner describes the analogous change in how the neck moves after the seventh hour:

A description of the perceptual differentiation between surface and depth that the work induces in the neck, paralleling the eye-level recalibration of the visual system.20

What the work changes, in summary

If the perceptual reports gathered across Ida's 1971-76 advanced classes and across Hunt's laboratory data are taken together, the picture they assemble is consistent in outline even where the mechanisms remain open. The connective-tissue web reorganizes; the body's relation to gravity changes; the cortex stops having to micromanage posture; control falls to the levels designed for it; the sensory nervous system is freed to register more accurately; the body image opens; the cultural conviction that bodies cannot change breaks; and clients report seeing better, hearing better, breathing more openly, dreaming differently, and feeling generally more themselves.

"As those two energy fields parallel one another, it is then that gravity becomes a supportive factor. As the nervous and glandular fields of the man are less bedeviled by gravity, the man apparently changes. His behavior changes. The man, we might say, becomes more human. He differentiates more. He feels more. He feels his own mental processes as being less confused, as being more adequate. He suddenly feels himself as the subject of more and more important insights. This is what Fritz Perls used to say about structural integration. He says, You just can't believe the insights I have had since I have been working with them. As a new technique, we know that we need validation, a fitting into conventional acceptances."

Ida quotes Hunt's most ambitious summary statement of what changes:

The most condensed statement of the cascade — gravity, behavior, feeling, mental process, insight — Hunt and Ida jointly described.21

Fritz Perls, who is named here and elsewhere as one of the colleagues who introduced the work at Esalen in the 1960s, was a careful observer of how quickly his patients shifted after sessions on the table. Hunt's frequency normalizations and aura widenings were the laboratory's attempt to formalize what Perls was reporting clinically. The reports converge: there is more available — more sensation, more feeling, more access to one's own mental processes — after the work than before, and the explanation that Hunt and Ida proposed was that the body's perceptual interface had become less obstructed.

"Her findings seem to be saying loud and clear that as a man approximates the vertical, that is ears over shoulders, shoulders over hips, hips over knees, knees over ankles, certain very significant changes occur in the kind of neuromuscular behavior, can and these changes can be registered and they can be recorded by electromyographic and electroencephalographic measurements. Ralfas in general are not sufficiently scientifically sophisticated to demand measurements. They're willing to settle with contour, with form, without with recognizing the outward form of contour. In other words, they know that the tension and relaxation at all levels of the body reflect into the superficial level, and that they can look at that superficial level, and they can find out what is going wrong at a deeper level. To the seeing Malthus eye, this is the clue to the personality, both the physical personality and the psychological personality."

Hunt describes the neuromuscular and electrophysiological signatures of approaching the vertical:

Hunt's clean summary that approaching the vertical registers as measurable changes in neuromuscular behavior — registering on EMG and EEG.22

The thermodynamic vocabulary that Hunt and her co-researchers brought to bear on these findings was deliberate. They were trying to give the perceptual reports a frame in which physicists and physiologists could examine them. A 1974 paper from the Hunt circle — read aloud at the Healing Arts conference — argued that the work could be described as a movement of the body's energy organs toward resonance, with reduced viscous loss between joints and increased capacity for energy transfer across the myofascial system. The perceptual reports, in that frame, are the subjective registration of a body operating closer to its resonant condition.

"To clarify then the changes initiated by structural integration, we must be exceedingly careful and selective in the parameters we so choose. A simple before after photograph has long been employed as an effective representation of the gross structural changes brought about by Rolfing. This is so because a picture, even though simple static two and dimensional, is at least a representation of the man as a whole? Much more striking to the experienced eye is the changed movement of individuals as they are processed. What is it exactly that these observers see? Is it objective and can it be quantified? Does it give us a framework with which to eventually explore the physiochemical basis of these changes? I believe that there is just such a precise objective integration integrating notion that can aptly applied to this problem. It is the concept of energy. In physics, long before the molecular statistical mechanical explanation, the gross properties of matter were described by the laws of thermodynamics."

A colleague reads a passage on energy and the thermodynamic frame:

The most explicit articulation of the energy-and-order frame the Hunt circle proposed for what the work changes — providing the scaffolding under the perceptual reports.23

Coda: the open question Ida handed her students

In her 1976 Boulder advanced class, Ida ended a long discussion of the seeing-better phenomenon by handing the question off. She had not solved it. She knew, from forty years of practice, that perception changed. She had a working hypothesis about the cervical plexi as the most likely anatomical entry point, and a larger speculative claim about the connective-tissue web as the body's energy interface. She did not pretend either of these was settled. What she did was tell the room that the question was theirs to take up.

"I don't know. Why does it? I don't know. That I'll be willing to predict that in twenty five years someone, some few of this group will have spent their time and their thinking and their energy to find out and that they will be on a way of finding out how to utilize this for those areas of perception. This is ahead. This is what you people the opportunity that you people have. Have. Okay. Do you want to look at these? If you don't want to look at these now, I'm giving you an assignment. And that assignment is to trace some of that stuff to investigate with great specificity and care where those cervical plexi are, To recognize that there are three of them, the superior, the medial, the middle, and what should be the lower, but it's now called the spallic, yeah, ganglion plus the remnants of that lower plexus."

Ida closes the discussion with the prediction and the assignment:

Ida's closing handoff — the prediction that in twenty-five years someone in the class will have done the work she could not do, and the assignment to study the cervical plexi.24

Twenty-five years from 1976 lands in 2001. The prediction has not been precisely fulfilled. The specialization fields Ida named — sight, hearing, voice as distinct branches of the work — have not become formal sub-disciplines, and the laboratory study of perception change has not been carried forward at the scale Hunt's UCLA work briefly suggested it might. What the transcripts preserve is the moment when the question was open and being actively prosecuted by a small group of researchers working alongside Ida in the last years of her teaching. The reports remain in the record. The mechanism remains an open problem. The clients, then and now, continue to report that they can see the spider webs on the ceiling.

See also: See also: Ida Rolf, 1976 Boulder advanced class (76ADV11), where Ida shows the room the before/after slides of children whose academic performance and bodily organization shifted after the work — concrete documentation of perceptual and cognitive change registered structurally. 76ADV11 ▸

See also: See also: Ida Rolf, 1971-72 IPR Convention lecture (IPRCON1), on the history of the work from Esalen forward and the change from intuitive art form to scientifically examined practice — the cultural frame within which the perception research became possible. IPRCON1 ▸

See also: See also: Ida Rolf, 1971-72 'Psychology Today' interview (PSYTOD2), on the vertical as the structural condition that releases perceptual and functional capacity — Ida's account of what clients report feeling after coming closer to vertical. PSYTOD2 ▸

See also: See also: Hunt-circle paper, RolfB3 public tape (RolfB3Side1), the thermodynamic model of the work as a movement toward resonance — providing the energy-and-order frame for the perceptual reports. RolfB3Side1 ▸

See also: See also: Ida Rolf, 1974 Structure Lectures (STRUC1), the biographical introduction to Ida's career and the genesis of the work — the Schrödinger lectures, the Rockefeller years, the slow development of the structural hypothesis. STRUC1 ▸

See also: See also: 1974 Open Universe Class (UNI_044), a live demonstration session with running commentary on the perceptual texture of the work as the client experiences it on the table. UNI_044 ▸

See also: See also: Valerie Hunt and Ida Rolf, 1974 Open Universe Class (UNI_073), on the limits of biofeedback and the case for a broader awareness practice that includes levels of consciousness beyond the five senses. UNI_073 ▸

See also: See also: 1974 Open Universe Class (UNI_083), on the seventh hour and the differentiation of the neck — the perceptual reorganization between sleeve and core that parallels the eye-level recalibration. UNI_083 ▸

See also: See also: Ida Rolf, 1973 Big Sur pain lecture (BSPAIN1), where the sensory-psychophysiologist colleague presents the perception-and-motor model of consciousness alterations that frames much of Hunt's later sensory work. BSPAIN1 ▸

See also: See also: Ida Rolf, 1971-72 Mystery Tape (72MYS2B), on the physiological substrate of emotional response and the role of myofascial equipoise in the perception of pain and well-being. 72MYS2B ▸

See also: See also: Valerie Hunt, 1971-72 Mystery Tape (71MYS32), where she outlines the sensory-motor theory of perception that underlies her laboratory model of what the work changes. 71MYS32 ▸

See also: See also: 1973 Big Sur Advanced Class (SUR7301), on connective tissue as the organ of structure and the relationship between fascial reorganization and the body's energy machines. SUR7301 ▸

Sources & Audio

Each source row expands to show how the chapter relates to the topic.

1 Sight, Hearing, and Perception 1976 · Rolf Advanced Class 1976at 24:33

In the 1976 Boulder advanced class, Ida tells the room that students working a first hour will sometimes hear the client announce mid-session that they are seeing better — that a corner of the room has come clear, that spider webs on the ceiling are now visible. She admits she does not know the mechanism. She knows sight can deteriorate in many ways; she does not know why structural work should restore it. She frames perception organs as 'highly differentiated outgrowths' of the nervous system, influenced through the autonomic system and especially the cervical plexi.

2 Sight, Hearing, and Perception 1976 · Rolf Advanced Class 1976at 26:22

Continuing in the 1976 Boulder class, Ida explicitly invites her advanced students to make sight, hearing, even voice into specialization fields within the work. The path of study she names is the autonomic nervous system, which she calls 'the old nervous system,' and within it the cervical plexi — the three plexi (superior, middle, and the remnant lower) whose innervation reaches the perceptive organs. She tells the class to consult books and direct their attention to these centers of energy, not to wait for her to do the work for them.

3 Connective Tissue and Energy Fields 1974 · Open Universe Classat 0:52

In a 1974 Open Universe Class, Ida tells the audience she will make claims she cannot prove. Chief among them: she does not think the energy fields surrounding the body are brought in by the five senses. The senses are 'grossly limiting,' and their structural nature limits what part of an energy field can reach us. Yes, the senses transmit information, but there is a vast array of information that does come in and cannot be described in terms of the five senses. She points to the central nervous system itself as imposing limits on what can be processed.

4 Connective Tissue and Energy Fields 1974 · Open Universe Classat 2:29

In the same 1974 Open Universe lecture, Ida summarizes her position. The work, she says, reorganizes and frees the body in its primary and most basic receptive and responsive modes — receptive meaning the energy fields entering, responsive meaning the energy fields being dissipated. This is the bridge between her structural doctrine and her perceptual doctrine: the connective-tissue reorganization is what permits the body to receive and discharge energy fields cleanly.

5 First Study Methodology 1974 · Healing Arts — Rolf Adv 1974at 13:50

Valerie Hunt presents the findings of her UCLA electromyographic study at the 1974 Healing Arts conference. After the work, people performed the same everyday tasks — walking, lifting, pushing, pulling, throwing — with shorter duration and a tendency for greater amplitude. This means muscles contracted harder over a shorter time rather than weakly over a long time. Hunt calls this terribly efficient, especially given that overcoming gravitational inertia is the body's major work. The functional results: conserved energy, improved efficiency, more dynamic movement.

6 EMG Findings After Rolfing 1974 · Healing Arts — Rolf Adv 1974at 15:24

Hunt explains that the smoother ascending and descending slopes of muscular activity after the work reflect the sensory nervous system more accurately judging how much energy a particular task requires, and modulating muscle activity to that job. There is what she calls recruitment of other motor units, so that fatigue is not as great. She hypothesizes — without claiming proof — a downward shift in the level of motor control, from cortex to lower centers.

7 EMG Findings After Rolfing 1974 · Healing Arts — Rolf Adv 1974at 16:13

Hunt tells the 1974 Healing Arts conference that she has a feeling, though she cannot prove it, that there is a downward shift in the control of movement after the work. She names this as 'a tremendously important one' and identifies three major upstream sources of motor activation — cortex, midbrain, spinal cord — that drive muscle activity at very different frequencies.

8 EMG Findings After Rolfing 1974 · Healing Arts — Rolf Adv 1974at 21:43

Hunt reports that after the work, there were particular envelopes of activity in the EMG record. You could say the person is now lifting a stool, now doing a particular act — discrete events with relaxation between them. The pattern of constant neural activity she had seen before the work was very similar to the pattern she had found with high-anxious people, and the post-work pattern resembled the one she had found with low-anxious people. She raises the question of whether the work affects anxiety state itself.

9 EMG Findings After Rolfing 1974 · Healing Arts — Rolf Adv 1974at 22:55

Hunt explains that the data indicated a positive effect on normalizing the frequency of energy, but it was a selective effect based upon the particular individual difference of that person. Subjects who came in with too much low-frequency activity dropped some of it; subjects with too little gained it. Subjects with too much high-frequency activity dropped some; subjects with too little gained. The work moved each individual toward a wider, more balanced spectrum of possible frequencies, rather than imposing a single average.

10 EMG Findings After Rolfing 1974 · Healing Arts — Rolf Adv 1974at 24:34

Hunt reports that the baseline of bioelectric activity was increased after the work, particularly when the individual was sitting still between active events. This puzzled her because elevated baseline normally signals tension. But once the subject began moving, the baseline dropped to nothing — far below pre-work levels. Her tentative interpretation: the person was more open to experience, not more tense. Her conclusions: movement after the work was smoother, larger, more dynamic, more energetic; extraneous movement was reduced; erect carriage was less obviously under strain.

11 Introductions of Hunt and Rolf 1974 · Healing Arts — Rolf Adv 1974at 0:00

In her 1974 Healing Arts lecture, Ida reports Hunt's finding that random incoming people tend to have auras a half inch to an inch wide, but after the integration of structure their auras typically expand to four or five inches. Ida says obviously this is a basic energy phenomenon of life, though whether it relates to the energy referenced earlier — the kind that fails to observe the law of inverse squares — is something she does not know and does not see how to determine in the near future.

12 Conclusions on Entropy and Coherent Energy 1974 · Healing Arts — Rolf Adv 1974at 37:16

Hunt summarizes her position: human energies are manifest in frequencies, and the work appears to operate on at least two aspects of energy — possibly two forms, possibly two aspects of one form. One is electrical, internal. The other, slower-acting, has to do with the practitioner-client field. She believes practitioners are 'transducers' and that the relationship between two people is part of what makes the change happen. She does not think this can be duplicated by exercise alone or by machines.

13 Body Image as Reference Point 1974 · Open Universe Classat 4:19

Hunt tells her 1974 Open Universe audience that the work makes changes in body image. It is not just making changes in the body. This is the central insight that gives her perception research its theoretical frame: if body image is the filter through which all experience is selected, then changing body image changes what is perceived. The work's effect on sensory function is therefore not anatomical at the sensory organ level but image-level.

14 Body Image as Reference Point 1974 · Open Universe Classat 4:28

Hunt walks through the conditions in which body image normally alters: emotional states, sleep (the diminishing of boundaries), sexual intercourse (the fusing of two body images), physical injury (the exaggeration of the affected area), the dentist's overdone novocaine that makes the side of the face feel wallowy, the phantom limb of the amputee. Each case is a perturbation of the gestalt. The implication for the work: structural integration is one of the methods that alters body image directly, by altering the body itself.

15 Body Awareness and Rolfing Integration 1974 · Open Universe Classat 21:14

Hunt explains that the very fact that a body can change shape within thirty minutes — really, within two minutes — is a tremendous cultural assumption violated. The conviction that bodies do not change except to get old is, she says, one of the strongest in our subconscious, and the work blows it in the first two minutes of a session. This is not a side effect; it is, in her view, the perceptual entry point through which all subsequent changes in assumption, opinion, and decision about life become possible.

16 Defining Rolfing Structural Integration 1974 · Healing Arts — Rolf Adv 1974at 39:59

Ida tells the 1974 Healing Arts conference that no other school of body mechanics teaches how to achieve a vertical body, because no other school recognizes that the body has the quality that makes it possible. The body is a plastic medium. Twenty-five years ago no one would have believed this, she says; fifty years ago they would have institutionalized her for saying it. This is the foundational claim on which the entire apparatus of structural change — and perceptual change — rests.

17 Emotional Release and Client Resistance 1971-72 · Mystery Tapes — CD2at 18:33

Ida recounts working with an elderly woman who began screaming on the mat. Ida defused the panic by asking what the woman could see and hear. The woman saw cars coming down the road and heard a bell, which became an ambulance bell. She had been in a car accident, thrown out of the car, badly hurt — and while she lay unconscious on the ground, an ambulance had arrived and a policeman had been heard berating the driver. The unconscious body had recorded the entire scene. The structural intervention released the recording.

18 Client Sensations and Emotions 1974 · Open Universe Classat 3:28

During a live demonstration in the 1974 Open Universe Class, the client on the table reports that the emotion he is working with is a pain unlike any he has experienced before. He goes with the pain. Asked whether he has any flashbacks to emotional conflict, he says not now. He then reports sensations he has never felt before, localized at first and then expanding — like vibrations, like wavelengths. The practitioner asks whether the energy is moving. The client confirms. The dialogue registers the perceptual texture of the work as it happens on the table.

19 Tibia/Fibula Rotation and Eye Orientation 1976 · Teachers' Class 02at 45:48

In a 1976 teachers' class, a senior practitioner tells the room that the eyes are one of the most important indicators of where a person is in space. If the client walks in and a certain height is their vertical, the work may give them the capacity to be elsewhere, but their eyes tell them — in the height of the room and the position of objects — that they are only that high and back here. The teacher recommends letting eyes play tricks just for a moment, or having the client close their eyes while finding the new orientation, then open them to take the new space.

20 Nutrition Q&A Wrap-up 1974 · Open Universe Classat 0:00

In the 1974 Open Universe Class, a practitioner explains that most necks coming into the work are moved on the surface alone, with very little differentiation between outside and inside. When asked to turn the head, the entire body tends to move with it. As the hours progress, a differentiation appears between the sleeve muscles and the deeper muscles; the head moves with respect to the neck rather than the whole body moving as one block. This is the same perceptual reorganization that the eye-level coaching addresses — the body learning to register parts of itself separately.

21 Verticality and Gravity 1974 · Open Universe Classat 9:07

Ida reads a passage by Valerie Hunt to her 1974 Open Universe audience: as the body's two energy fields parallel one another, gravity becomes a supportive factor. As the nervous and glandular fields of the man are less bedeviled by gravity, the man apparently changes. His behavior changes. He differentiates more. He feels more. He feels his own mental processes as being less confused, more adequate. He suddenly feels himself the subject of more and more important insights. This is what Fritz Perls used to say about the work — that he could not believe the insights people had since he had been working with them.

22 Scientific Validation at UCLA 1974 · Open Universe Classat 11:22

Hunt describes her findings: as a person approximates the vertical — ears over shoulders, shoulders over hips, hips over knees, knees over ankles — certain very significant changes occur in the kind of neuromuscular behavior, and these changes can be registered and recorded by electromyographic and electroencephalographic measurements. She observes that most practitioners are not sufficiently scientifically sophisticated to demand measurements, but contour and personality are both measurable and changeable. This is, she says, the gospel according to the work.

23 Quadratus Lumborum and Twelfth Rib various · RolfB3 — Public Tapeat 25:45

At the 1974 Healing Arts conference, a Hunt-circle researcher reads from a prepared paper. The changed movement of clients after the work is what experienced observers see, but the question is whether it can be quantified. The framework proposed is the concept of energy. The laws of thermodynamics — change and ordering of energy — are exactly the concepts one intuitively invokes to describe the work: a person's structure has become more ordered, the person is more alive, energy is more flowing, somehow there is more of it. The question is whether these intuitive perceptions can be grounded in mathematical formulation.

24 Segmentation and Verticality 1976 · Rolf Advanced Class 1976at 2:00

Ida tells her 1976 Boulder class she will predict that in twenty-five years some few of the group will have spent their time and energy finding out how to utilize structural work for the specific organs of perception. This, she says, is the opportunity that her students have. She assigns them to investigate the cervical plexi with specificity — the superior, the middle, and the lower ganglion area — to recognize where they are, to perceive them while working, and to realize that somehow they are in the middle of a miracle.

Educational archive of Dr. Ida P. Rolf's recorded teaching, 1966–1976. "Rolfing®" / "Rolfer®" are trademarks of the DIRI; independently maintained by Joel Gheiler, not affiliated with the DIRI.