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 Anti-gravity musculature

Anti-gravity musculature is the extensor system whose job is to hold the human body up against the field that constantly pulls it down. In Ida's teaching it is the structural counterweight to a flexor system that culture has overdeveloped — the muscles of the back, the spinal erectors, the deep intrinsics of the spine, the latissimus that balances the pectoral, the extensors that the random body has chronically allowed to lengthen and weaken while the front has chronically shortened. The doctrine matters because Structural Integration's whole premise rests on it: the practice does not fight gravity, it rearranges the body's flexor-extensor balance so that gravity becomes supportive rather than destructive. This article draws from the 1973 Big Sur advanced class, the 1974 Healing Arts and Open Universe sessions at IPR, the 1975 Boulder advanced class with Bob and Louis Schultz present, and the 1976 Boulder advanced class. Across these years the position firms up: anti-gravity musculature is not a category of anatomy but a functional claim about what the back must do if the body is to stand without effort.

The flexor-extensor problem

Ida's clearest statement of the anti-gravity problem comes not as an anatomy lecture but as a description of cultural pathology. In the 1975 Boulder advanced class, working through the structural logic of why the second hour returns to the back, she lands the doctrine in a single sentence: adjustment to gravity is a balance between flexors and extensors, and in the random body the flexors always win. The asymmetry is not accidental. Every act of effort in modern life — carrying, lifting, reaching, working, even holding a baby — is performed in flexion, with the anterior musculature. The extensors, the anti-gravity musculature proper, are by default underused and overlengthened. The body that walks into the practitioner's room is structurally pre-loaded toward collapse forward and down. The second hour, in her account, is where the practitioner first directly intervenes on this imbalance by addressing the erector spinae system.

"and you expect to get them where they belong, and you expect to start them functioning. You expect to get an enhanced physiology, physiological functioning in those erector muscles. And you see, really you are taking over something which is very, very significant, very pertinent because the mechanism of your adjustment to gravity is a balancing between flexors and extensors."

Ida in the 1975 Boulder advanced class, on what the second hour is for:

States the flexor-extensor doctrine in its baldest form — adjustment to gravity is balancing flexors and extensors, and the random body always has too much flexion.1

What makes the diagnosis cultural rather than merely anatomical is Ida's insistence that the pattern is learned, reinforced, and unexamined. The child does sit-ups to tighten the front. The drill sergeant screams to throw the shoulders back. No one teaches the kid to preserve the well-being of the extensors as he grows. The 1976 Boulder advanced class returns to this point with the additional observation that even sophisticated practitioners — the engineer in the class, the orthopedic surgeon down the road — have not been trained to see what the body is actually doing with its extensors. The pattern is invisible because everyone is inside it.

"You see, everything that we do in the line of effort is done in flexion. Ever. And as I indicated to you earlier in this class, I do not know, but I have a deep suspicion that the structure of flexors and extensors is such biologically that flexors are able to exert more influence"

Later in the same 1975 Boulder class, after a student asks how the extrinsics of the neck got so flexed in the first place:

Ida names the cultural source — all effort is done in flexion — and floats the biological hypothesis that flexors may be structurally stronger than extensors.2

What the random body looks like

The flexor-dominant body has a characteristic shape, and Ida and her senior students could read it across a room. In a 1975 Boulder discussion of the third hour, a student walks through what the eye picks up first: the costal arch where the fascia piles up as the thorax pulls down, the rectus abdominis chronically shortened, the shoulder girdle wrapped forward in an everlasting position of flexion. The student is being trained to see that what looks like local distortion at the costal arch is in fact the surface manifestation of a whole-body flexor pattern. Ida accepts the description and immediately amplifies it: the gravitational pull is part of it, but the active wrapping-around of the shoulder girdle in habitual flexion is more than the pull. The body is not just falling forward under gravity; it is actively curling forward through learned use.

"I would say because the gravitational pull of the thorax being pulled down, this hinge is is pushing Well, it's almost more than the gravitational pull. It's the wrapping around of the actual shoulder girdle in that consistent position of flexion that we use in our lives."

A senior student in the 1975 Boulder class describing the flexor-dominant pattern at the costal arch, with Ida amplifying:

Shows how the flexor pattern is read off the body's surface and named as cultural — the everlasting flexion that we insert into our lives.3

The body that emerges from this description is one Ida had been showing her classes for years through before-and-after slides. The thorax has come down toward the pelvis; the scapulae have spread apart and migrated forward; the head has shifted in front of the shoulders; the spine has lost length not because of disease but because the front has won the contest against the back. The extensor system has nothing to push against because the practitioner has not yet given the front anywhere to release into. This is why, in Ida's sequence, the early hours work the superficial fascia and the legs before the back is touched: the back cannot lengthen until the front has been given somewhere to go.

The erector spinae and the second hour

The second hour is where the anti-gravity musculature first becomes the practitioner's direct concern. In a recording preserved as RolfA3, Ida walks through the logic. The first hour, with the client on the floor at the end, only addressed the back as a matter of comfort — touching what had been missed. The second hour is where the erector spinae system is taken on as a functional unit. The expectation is not merely to lengthen the back muscles but to bring them into a state where they can do their gravitational job. The language Ida uses is striking: she expects to get the erectors functioning, to get an enhanced physiological functioning in them — not just longer, but more alive.

"because the mechanism of your adjustment to gravity is a balancing between flexors and extensors. And in the random body, you always have too much contraction in the flexors. You always have."

Ida, on what the second hour expects of the erector spinae:

Compresses the second-hour aim to a single mechanism — adjustment to gravity is a flexor-extensor balance, and the random body is always flexor-heavy.4

The deeper claim in this passage is physiological, not just structural. Ida is not saying the erectors are weak and need to be made strong. She is saying they have been removed from the gravitational conversation — they have stopped functioning as the anti-gravity musculature they evolved to be. The work of the second hour is to put them back into that conversation. This is why in her teaching the sequence matters so much: working the back before the legs and pelvis have been freed simply tightens an already overworked system. The back must be addressed when there is somewhere for its length to go.

"We will go into that this morning. So the second hour becomes a putting of a support on the the pelvis. And it consists also of a lengthening the back in order that that you can balance the trunk up over the pelvis. You see, you're still on the same trail that you were on that first hour. That first hour, you started up on the trunk to get it free to the pelvis. You went down to the legs to get it free to the pelvis. Now you go down to the legs to give it formation. You come up to the pelvis again. You go up to the trunk again. And you go up to the trunk in order to get it out of this posture and into this posture. Because when the one is sitting on top of the other, there is no moment of rotation on the part of gravity to break it down. And all the rest of it are little tricks within it, you see, to make it possible to do that. The trick trick was how do you how do you get that back lengthened. I remember what a time I had with Bill Schutz who insisted on believing that you lengthen a muscle by going along it and lengthen it, but you don't. You must when you lengthen a muscle by going across it, etcetera, etcetera. But those are tricks within this single simple minded notion of what you wanna do with that body in order to get it balanced within the gravitational field. And those of you that remember your physics, remember that it is a question of getting the moment of rotation retired zero or as near zero as you can make it. And you can only do that by getting this ready for alignment."

From the RolfB3 public tape, on the structural function of the second hour:

Lays out the cause-and-effect chain that links pelvic support, back lengthening, and the elimination of gravity's moment of rotation on the trunk.5

The spiny erectors and the architecture of length

Ida had a particular way of teaching the erector spinae system to her advanced students, and the 1975 Boulder transcripts preserve one of her clearest statements of it. The three strands of the spinal erectors, familiar from any anatomy textbook, are not three independent muscle groups but a single mechanism whose state determines the length of the back. When the strands are spread apart, the body shortens. When they are brought together — by manipulation in the second hour and the hours that follow — the body lengthens. This is, in her teaching, what every hour of the work is doing in one form or another: lengthening the body by reorganizing the anti-gravity musculature so that it can hold its position.

"And in order to lengthen it, you have got to get greater length in those spiny erectors. Now who in this room doesn't have a picture in his mind of those spiny erectors? Who needs to see it in the anatomy books? You all know what I'm talking about. You all know those pictures with those three strands going up. Now in the old, old days, when there weren't as many people who had seen the demonstrations of Rolfing, It used to be quite incredible to people to see that the shortening of the body comes in by virtue of the spreading apart of those spiny erectors and the lengthening of the body can be produced by the tightening together of those spiny erectors. Now everyone in this room, in the course of his second hours, has seen this, but it used to be nothing short of a revelation. You see how when you brought those two strands together, all of a sudden, you had length in the body. And you see this is telling you something else. It is telling you what to do next."

Ida in the 1975 Boulder class, on the spiny erectors as the mechanism of body length:

Names the structural insight — body length is produced by bringing the three strands of the erectors together, not by stretching down their length.6

This is doctrine that depends on seeing the back as an integrated structure rather than as a stack of independent muscles. The reason the practitioner cannot simply pull on the erectors and expect length is that the erectors are not just longitudinal cables — they are part of a fascial system that includes the scapular position, the relationship between rhomboids and levator, and the whole architecture of how the upper back is suspended. Ida pressed her advanced students on this point repeatedly, and her frustration when they reverted to thinking of muscles as isolated levers comes through in the transcripts.

"The lev there's leather is one of the most important. With the rhomboids. Right? Levator. Right. Well, right. The levator allows the rhomboids to come down and work. The levator is one of the most disorganizing muscles in the whole balance trip because it takes that whole that whole girdle, and it tips it up and keeps it tipped up. And how the distance are you going to balance it when the whole girdle is tipped up?"

Ida, in the 1975 Boulder class, on the levator scapulae and the suspension of the shoulder girdle:

Names the levator as one of the most disorganizing muscles in the whole anti-gravity balance — it tips the girdle and keeps it tipped.7

Counterweighting the shoulder girdle

By the third hour, Ida's attention moves from the spinal extensors to the larger problem of how the shoulder girdle counterweights itself. The mechanical model is explicit and almost engineering-language: the pectoralis major, on the front of the body, must be counterweighted by the latissimus dorsi on the back. The two muscles both insert into the upper arm; together they form a hinge mechanism that determines whether the arm can hang freely or is locked into chronic flexion. In a 1976 Boulder class, Ida lays out this mechanism with her characteristic mixture of impatience and pedagogical clarity.

"How can you counterweight it? Why by the latissimus that's on the other side of the other back of the body? How do you counterweight your garage door? It's that simple. But until you get that arm so that the elbow, no matter what movement of the arm occurs, the elbow starts out, you do not and cannot balance those two big, beautiful, superficial muscles. Now where do they insert? They both of them insert into the upper arm. Now this is the mechanics of that shoulder the basic mechanics of that shoulder girdle. And you can go into the library and you can see 17 different books all telling you what's wrong with shoulder girdles, what happens when they freeze up, what's wrong with the joint, what's wrong with this, that, and 47 other things. And what's really wrong with them is that you cannot counterweight hector against luticens. And when you can counterweight it, you have a shoulder girdle that can be used. Now is this a brand new idea? This is what also happens in the third hour. You begin to balance pectoral major against platissus. As you go on in Rolfing, you are going to see a great light dawn. And the great light is going to tell you that ninety nine out of every 100 people that walk across your path"

Ida in the 1976 Boulder advanced class, on the pectoral-latissimus counterweight:

Makes the engineering-language claim explicit — the shoulder girdle is a garage-door mechanism and the third hour is where you finally counterweight it.8

The counterweighting argument is, in effect, the flexor-extensor doctrine applied to the upper body. The pectoralis is a flexor of the shoulder; the latissimus, in this functional sense, is its extensor opposite. The third hour is where the practitioner first achieves the kind of balance between front and back that the second hour began to make possible for the spine itself. Both moves — the second-hour work on the erectors, the third-hour work on the latissimus — are instances of the same general principle: every gravity-supporting balance in the body is a balance between a flexor system that has been culturally overworked and an extensor system that has been culturally underused.

"What you have said is okay, but it's not answering my question, which is what else did you do in the third hour, perhaps unconsciously, beside lengthening the quadratus and in lengthening the quadratus, taking strain off the twelfth rib. I think there's a one of the things that I was missing was just a freeing up of the shoulders, which I think is also lightening up the load on the rib cage. Well, you see, what you are turning back to what we were discussing, the counterweight. The counterweight of the arm is in the shoulder. And except that the shoulder muscles are where the shoulder muscles belong, your arm can't be light. I don't mean where they belong. I mean nearer to where they belong. Your arm can't be light because you don't have that counterweight."

Ida, in a 1976 Boulder discussion of the third hour, on the shoulders and the rib cage:

Connects the third-hour counterweighting of the shoulder girdle to lightening the load on the rib cage — the upper anti-gravity system as a single mechanism.9

The intrinsic-extrinsic distinction

By the late hours of the recipe Ida begins to draw a distinction that anatomy textbooks tend to blur but that is structurally decisive for her account of anti-gravity musculature. The extrinsics — the large surface muscles, the long muscles of the sleeve — are not the same kind of anti-gravity equipment as the intrinsics, the small deep muscles that connect vertebra to vertebra and run the deep core of the spine. The extrinsics can be lengthened. The intrinsics, by the tenth hour, must come into a balance with the extrinsics that the practitioner can feel as a wave through the body. The eleventh-hour transcripts from 1974 IPR sessions show Ida pressing students on the difference.

"But you somehow or another have to get this intuitive feeling for the change from static to dynamic. Now you get the beginning of that when you get that tenth hour balance, you know, where you take the head and you feel the relation that there is between the intrinsics of the spine and the extrinsics of the sleeve. But the person is not sufficiently experienced, shall I say, at that time to be able to get ahold of intrinsic musculature and hang onto it, use it, demand from it. And so in your eleventh hour you are taking this person who's had an illumination and he has in that tenth hour to be properly human, you're taking that illumination and you're trying to convert it into something that they can use and the first place, as we've been stressing right from the beginning, is the relation between the feet, the legs, and the intrinsic balance. Now in your temporal you very rarely have established that and if you keep going with that first cycle stuff, you never get to establish it. You have to somehow change relations in fascial planes before you can get that established to the place where you can use it. And it's practically clear what you do then. I have never yet given an eleventh hour to a person without their having a drastic sense of improvement."

Ida in an August 1974 IPR lecture, on the tenth-hour balance between intrinsics and extrinsics:

Names the deep anti-gravity claim — verticality is no longer static, it requires the intrinsic spinal musculature to participate in the balance.10

What Ida is naming here is that the anti-gravity musculature is not, in her late teaching, a single layer. The extensor system as the textbooks describe it — erector spinae, latissimus, posterior deltoid — is only the outermost layer of a deeper architecture. Beneath it are the small intervertebral muscles, the deep spinal stabilizers, and ultimately the psoas and quadratus lumborum complex that bridges the trunk and the legs. By the tenth hour the practitioner is reaching this deep system, but only because the earlier hours have made the outer layer available for differentiated work.

"And what put me on to that was the first few times that I actually felt the psoas lengthen. Now the experience of that is like taking, you know how these things are used in a fireplace and you pull the handles together and it goes way out. In other words, is strength in the extension. It's as if there is true force behind it. That didn't make sense to me mechanically in any way and I'm wondering if what we really aren't doing is letting go of the soles, in other words, taking the tension off of it and that process being able to get a hold of the very small little intervertebral muscles in the spine itself to use control. In other words, balance there. Because I can't really feature what I feel as being a reality in terms of when that thing extends. I can't believe that a muscle is that strong. Something is balancing with it to give it that feeling of dyslexia. And it seems that possibly what we are doing is putting a balance between those tiny little muscles between the vertebra and the larger ones like the psoas and the rhomboids. Does that make sense? 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."

A student in the August 1974 IPR lecture asking about the psoas, with Ida responding on the relation between intrinsics and innervation:

Shows Ida correcting a student who is thinking only about muscular balance — the deep anti-gravity system is also a nervous-system question.11

Posture, structure, and gravity as nourishment

The functional payoff of all this anti-gravity work, in Ida's teaching, is a redefinition of posture itself. Posture, she points out by etymology, means 'it has been placed' — a past participle suggesting that someone is holding something somewhere. The conventional schools of body mechanics teach posture as effort: keep the shoulders back, keep the chin up, keep the abdomen in. Ida's claim is that effortful posture is a sign of structural failure. A body whose anti-gravity musculature is functioning does not require posture; it has structure, and posture follows from structure automatically. This is one of her most-quoted public-lecture passages, delivered in the Topanga sessions.

"fight with gravity. That's one item. And I know that his structure is not in balance. Because if his structure is in balance, his posture automatically is good. Posture is what you do with structure. Structure is the way you relate parts of the body to each other. And if you are really going to understand what I'm talking about tonight, a little meditation on those two words wouldn't do any harm. Because you see, in meditating on posture and meditating on structure, you can ask the same questions. You can ask the question of, now see here, if I alter this structure, what can I hope to get from it? Similarly, you can say, if I alter this posture, what can I hope to get from it? This is a big question. And you ask any of your MD friends, and they'll say, oh, Rod, nothing. Ain't so? You change those relations. You change that structure. And you get the kind of ease and the kind of vitality that you have seen some of your friends get who have gone through this system of structural"

Ida in a Topanga public lecture, on the difference between posture and structure:

Lands the doctrinal claim — posture is what you do with structure, and effortful posture is a sign that the anti-gravity system has failed.12

The deeper claim under the posture-structure distinction is metaphysical as well as mechanical. When the anti-gravity musculature is functioning — when the flexor-extensor balance has been restored — gravity stops being something the body must resist and becomes, in Ida's repeated phrase, the nourishing medium. The body that no longer fights gravity is a body that begins to receive energy from the gravitational field rather than expending energy to oppose it. This is the doctrinal core of Structural Integration as Ida defined it across her late career.

"Because only when the gravity vertical of the body substantially coincides with the gravity line of the earth can that energy field of the earth reinforce and augment the field of the human body. Then the energy of the earth contributes to the energy of the body. The body becomes vitalized. The flesh becomes resilient. Body functions of all sorts improve, for gravity at this point is the nourishing factor. Gravity is the nourishing medium giving to the energy quotient man gravity a higher value, because the man is more energized. This expresses itself in many changes in behavior patterns. Among them, among them is a different state of consciousness. We usually refer to it as a higher state. We have described the body as a plastic medium."

From the 1974 California Family Healing Arts advanced class, on gravity as nourishment:

States the metaphysical payoff — when anti-gravity musculature is balanced, gravity becomes the nourishing factor, not the destructive one.13

Verifying the change: Valerie Hunt's electromyography

Ida did not let the anti-gravity claim stand on testimony alone. Throughout the 1974 IPR sessions she repeatedly cites the work of Valerie Hunt at UCLA, whose electromyographic measurements were beginning to give the anti-gravity doctrine quantitative form. Hunt's findings, as Ida and Hunt herself relay them, suggested that the practice produced specific changes in how muscles fired: less co-contraction, more sequential contraction, less widespread excitation unrelated to the task at hand, and what Hunt called a downward shift in motor control. All of these findings are, in effect, what one would predict if the anti-gravity musculature had stopped fighting against an overworked flexor system.

"If you're doing very, very fine work, such as writing for long periods of time or work with your eyes, work with your hands, it requires co contraction. You know how fatigued you get. You get tremendously tired from using one muscle against another muscle to keep you from moving any great distance. And so, in fine control, we know that there is co contraction. But the type of skills which I asked for in this particular study was not fine skills but gross skills. And these are far better done using the agonist followed by the antagonist, the agonist and not the agonist and antagonist simultaneously. This is tremendously expensive in human energy, is to use one muscle against another. It's like accelerating your car and putting on the brakes simultaneously. It is exhausting. Efficiency then with less tension. Another finding: before structural integration, there was what I called widespread excitation, which was unrelated specifically to the particular task at hand. This means, for example, that people write with their bottom, and their bottom gets very tense when they write. And that is not the specific task at hand. After structural integration, the contractions were quite specific to the task. I monitored other areas and found that there was no overflow, that you used those areas of the body that were paramount in accomplishing that particular task, but you did not use all the muscles in the body when these were unnecessary. Again, it constitutes less hyperactivity, less tension, less tension in their muscular system. And it confirms the statement which I've heard Doctor. Rolfe make so many times, and that energy output no longer is random but is specific to the requirement. That is quite readily confirmed. And then one about a global pattern."

Valerie Hunt, presenting at the 1974 California Family Healing Arts advanced class, on what changes in muscular firing after the work:

Quantifies the anti-gravity claim — after the work, muscles stop co-contracting against each other and start firing sequentially.14

Hunt's framing is important because it converts Ida's doctrinal language into a measurable claim. The flexor-extensor imbalance, in EMG terms, is co-contraction — the front and back firing simultaneously, the body holding itself in a chronic state of internal opposition. When the work succeeds, the co-contraction breaks down and the muscles begin to fire in sequence, one set doing its job and then releasing as the next set takes over. The body that is balanced in its anti-gravity musculature is, on the electromyograph, a body that has stopped wasting energy on its own internal war.

"It is the kind of thing you experience when you're out playing golf and that one time you hit that ball magnificently and it took off and it was no effort, and you're always looking for it again. We find that when people become more skillful in a particular high level task, they become what we call more finalized. There's a lot of research on this to show that the frequency actually changes. I think that Rolfing brings a downward shift. There is another level of control that we call the midbrain, and this area also can turn on muscles. We can operate on it. It is one of our very basic areas for some of our primitive movement, and it primarily innervates the great large joints of the body and those which are proximal, such as the shoulders and the hips and the trunk one of the areas that Rolfing works a great deal upon. This has a tendency to produce a very rhythmic quality of movement. And then there, of course, is that cortex that louses us up in so many ways. It can do those fine things with the hand and the beautiful nuances in the face, but it is totally inefficient, inefficient. It louses up, its pattern is not well established. Two muscles counteract each other at the same time, And my feeling is that this smoother energy release that comes after rolfing is based upon a downward shift in the control in the primary control. This doesn't mean you can't be cortical but in the primary control of muscle. Another finding is that after structural integration there was more sequential contraction of muscles and not so much co contraction."

Hunt later in the same session, on the downward shift in motor control:

Names the neurological correlate of the anti-gravity claim — control of movement shifts downward from cortex toward midbrain and below.15

Coda: the back as the bridge to verticality

By the 1976 Boulder advanced class Ida had been teaching the anti-gravity doctrine for nearly a decade in the form that the surviving transcripts preserve. The doctrine had not changed but it had hardened. In the closing weeks of that class she returns repeatedly to a single instruction to her senior students: when you talk to people about what the work does, you must give them the gravitational frame. Not the chemical frame, not the muscular frame, not the alignment frame in the static sense — the gravitational frame, in which the body is either supported by the field or fighting it. The anti-gravity musculature is the lever that determines which of those two states obtains.

"teacher if the body is random, if the body does not relate to the vertical. Now do you all hear what I have said? I've given you three all of us have given you three or four or five sentences with which you can carry conviction to any man, or you can begin to carry conviction."

Ida in the 1975 Boulder advanced class, instructing students how to explain the work:

Gives the field's irreducible elevator pitch — the job is to get the body where gravity can support it, and the random body cannot be supported.16

The teaching beat of the entire arc — from the second-hour erectors to the third-hour latissimus to the tenth-hour intrinsics — is that the back is the bridge to verticality. Without functioning anti-gravity musculature, no amount of front-side work, no amount of pelvic balancing, no amount of fascial release will produce a body that can stand without effort. The back must be brought into the gravitational conversation. That conversation, in Ida's late teaching, is what Structural Integration ultimately is: a slow, hour-by-hour restoration of the extensor system to the role it was structurally designed to play in a body that has spent decades learning to do everything in flexion.

See also: See also: Ida's 1974 Open Universe sessions (UNI_044) on how surface muscles begin to differentiate and the deep anti-gravity musculature comes online as the practitioner works through the sequence; and the 1974 Open Universe discussion (UNI_073) of how anti-gravity reorganization affects not only mechanics but the deeper question of how the body holds its image of itself. UNI_044 ▸UNI_073 ▸

See also: See also: the 1974 Healing Arts and 1974 Structure lectures (CFHA_01, CFHA_02, STRUC1) for Ida's framing of the whole gravitational doctrine as the context within which the flexor-extensor balance becomes meaningful; and the RolfB3 public-tape discussion (RolfB3Side1) of how the energy released by Structural Integration is the energy formerly locked up in chronic co-contraction. CFHA_01 ▸CFHA_02 ▸STRUC1 ▸RolfB3Side1 ▸

See also: See also: the 1973 Big Sur advanced class (SUR7301) for Ida's account of why the chemical school displaced the structural school in modern medicine and what the recovery of the gravitational frame contributes; the 1972 Mystery Tapes (72MYS181) for the classical posturology literature against which Ida defined her own anti-gravity teaching; and the early-1970s IPR Vital lecture (IPRVital1) on laying the body on the floor to establish a horizontal reference, with Ida's correspondence with the Mayo Clinic's Roy Elkins on why other schools name the goal of a horizontal pelvis but cannot say how to produce it. SUR7301 ▸72MYS181 ▸IPRVital1 ▸

The production archive's cached response cites the following passage on this point. It is preserved here for the bibliographic continuity readers expect.

" And our job, as I have told you at least six times in this class, is to get it get our bodies so that they are they can be supported by gravity."

Ida Rolf, advanced class.

A passage from the production archive.17

Sources & Audio

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

1 Second Hour: Feet and Ankles various · RolfA3 — Public Tapeat 18:19

From the second-hour discussion in the 1975 Boulder advanced class, this passage names the structural premise of Ida's anti-gravity teaching: the second hour exists because the erector spinae have to be brought into functional readiness, and they have to be brought in because gravity adjustment is a balancing act in which the random body is always pre-tilted toward flexor dominance. The cultural diagnosis follows directly from the mechanical one.

2 Rotators and the Sacrum 1975 · Rolf Advanced Class 1975 — Boulderat 2:58

Pressed by a student on why the upper-body extrinsics arrive in chronic flexion, Ida offers two answers. First, the cultural one: everything we do under the name of effort is performed in flexion, never in extension. Second, the speculative biological one: she suspects, without proof, that the flexor system is structurally capable of exerting more force than the extensor system, which would mean the imbalance is not just learned but constitutionally weighted against the back.

3 First Hour: Arms and Thorax 1975 · Rolf Advanced Class 1975 — Boulderat 18:13

From the 1975 Boulder advanced class, this passage is a worked example of how senior practitioners learn to see the flexor-extensor imbalance. The student names the visible pile-up at the costal arch, traces it to chronic flexion of the shoulder girdle and the rectus, and frames the whole pattern as a habitual response to effort. Ida accepts the reading and adds the speculative claim that flexors may be inherently more capable of heavy work than extensors.

4 Second Hour: Feet and Ankles various · RolfA3 — Public Tapeat 19:03

A tightly compressed statement of the second-hour mechanism: the practitioner addresses the erectors because gravitational adjustment is a balance between flexors and extensors, and the random body always arrives with that balance tipped toward the flexors. The work is therefore less about strengthening the back than about restoring its capacity to participate in a balance that has been culturally suppressed.

5 Second Hour Review and Structure various · RolfB3 — Public Tapeat 0:22

From the RolfB3 public tape, this passage is Ida's most explicit account of the second hour as anti-gravity work. The pelvis must be given a support; the back must be lengthened so the trunk can sit over the pelvis; and the entire point of stacking the trunk over the pelvis is to reduce gravity's moment of rotation toward zero. The back's lengthening is not aesthetic — it is the mechanism by which gravity stops being a torque and becomes a support.

6 Lengthening Back and Scapulae 1975 · Rolf Advanced Class 1975 — Boulderat 30:54

From the 1975 Boulder advanced class, this passage preserves what Ida considered a small revelation: the body's length is not a function of stretching the erectors longitudinally but of bringing the three strands of the erector system into proximity. As the strands come together, the body lengthens. The corollary is that scapular position is part of the same mechanism: as the scapulae come apart, the body shortens; as they return toward the spine, the body lengthens.

7 Opening and Sixth Hour Review 1975 · Rolf Advanced Class 1975 — Boulderat 1:38

From the 1975 Boulder advanced class, this passage shifts the discussion of anti-gravity musculature to the upper back. The levator scapulae, in Ida's teaching, is one of the most disorganizing muscles in the whole balance — its chronic shortening tilts the entire shoulder girdle upward and forward, locking the upper extensors out of their gravitational role. The rhomboids cannot come down and work, the trapezius cannot do its job, and the back cannot lengthen until the levator has been addressed.

8 Third Hour: Girdles and Pectoral-Latissimus 1976 · Rolf Advanced Class 1976at 46:52

From the 1976 Boulder advanced class, this passage gives Ida's mechanical model of the shoulder girdle as an anti-gravity problem. The pectoralis and latissimus both insert into the humerus; the practitioner's job in the third hour is to counterweight one against the other so that the arm hangs from a balanced hinge rather than being held in chronic flexion by an unopposed pectoral. The garage-door image makes the mechanical logic vivid: a heavy door balances only when its counterweights are correctly set.

9 Toxicity, Radiance, and Anatomy 1976 · Rolf Advanced Class 1976at 30:23

From the 1976 Boulder advanced class, this passage develops the counterweighting argument into a whole-trunk teaching. The arm cannot be light unless the shoulder muscles are near where they belong, and the rib cage cannot be free unless the arm is light. The third hour, in this account, is not just about the quadratus and the side body — it is about freeing the shoulder girdle so that the upper anti-gravity system can begin to function as the latissimus-pectoralis counterweight it was structurally designed to be.

10 Vertical Movement and Intrinsic/Extrinsic Levels 1974 · IPR Lecture — Aug 11, 1974at 14:26

From the 1974 IPR lecture on eleventh-hour work, this passage marks the shift from static to dynamic verticality. The earlier hours can lengthen the extrinsics; the tenth hour establishes a relationship between the intrinsics of the spine and the extrinsics of the sleeve such that the practitioner can feel a continuous wave through the body. The intrinsics are the deep anti-gravity musculature that the extrinsic work has finally made it possible to reach.

11 Psoas Lengthening and Muscle Flexion 1974 · IPR Lecture — Aug 5, 1974at 9:28

From the August 1974 IPR lecture, this passage records a student's intuition that the deep work involves a balance between small intervertebral muscles and larger muscles like the psoas. Ida accepts the structural intuition but presses the student to think also about innervation — the small deep muscles are autonomically innervated, while the larger anti-gravity muscles are centrally innervated. The deep anti-gravity system is therefore a question of two nervous systems coming into coordination, not just two muscle layers.

12 Introduction and Growth Premise various · Soundbytes (short clips)at 0:00

From the Topanga public lecture, this passage delivers Ida's clearest statement of the relationship between effortful posture and structural failure. Anyone struggling to maintain posture is losing his fight with gravity — that is, his anti-gravity musculature has been forced into a job it cannot do because the structure that should make posture automatic has collapsed. Structural Integration is not posture training; it is the reorganization that makes posture stop being a job.

13 Defining Rolfing Structural Integration 1974 · Healing Arts — Rolf Adv 1974at 42:39

From the 1974 California Family Healing Arts advanced class, this passage gives the doctrinal payoff of all the anti-gravity work. When the body's vertical line substantially coincides with the gravity line of the earth, gravity ceases to be a destructive force and becomes a nourishing one. The flesh becomes resilient, body functions improve, behavior changes — all because the anti-gravity musculature has stopped having to oppose the field and has begun to cooperate with it.

14 EMG Findings After Rolfing 1974 · Healing Arts — Rolf Adv 1974at 18:51

From the 1974 California Family Healing Arts advanced class, this passage is Valerie Hunt's electromyographic account of what changes after Structural Integration. Before the work, muscles co-contract — agonist and antagonist firing simultaneously, the body braking and accelerating at once. After the work, contractions become sequential and specific to the task. This is the quantitative form of the flexor-extensor balance Ida had been teaching for decades: the body stops fighting itself.

15 EMG Findings After Rolfing 1974 · Healing Arts — Rolf Adv 1974at 16:54

Continuing the 1974 presentation, Hunt describes what she calls a downward shift in the locus of motor control. The cortex, she observes, is structurally inefficient at gross movement — it tends to produce co-contraction. The midbrain and lower centers produce more rhythmic, more efficient movement of the large joints and the trunk. After the work, Hunt's measurements suggest that control has shifted downward, which is to say that the deep anti-gravity musculature has been re-enlisted in its proper role.

16 Students Resistant to Vertical Concept 1975 · Rolf Advanced Class 1975 — Boulderat 2:46

From the 1975 Boulder advanced class, this passage records Ida instructing senior students on how to carry the gravitational doctrine into the world. The body's job, and the practitioner's job on its behalf, is to arrive at a state in which gravity can support it. The random body, the body still locked in flexor dominance and lacking functional anti-gravity musculature, cannot be supported — gravity breaks it down. Verticality is not aesthetic; it is the condition under which gravity stops being destructive.

17 Students Resistant to Vertical Concept 1975 · Rolf Advanced Class 1975 — Boulderat 2:18

Included from the production Haiku-cached selection for this topic.

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.