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 Entropy is just common sense

Entropy was never Ida's word for what she did. When a colleague pressed her in 1974 to connect the second law of thermodynamics to Structural Integration, she balked — not because she dismissed the physics, but because she thought it was obvious to the point of triviality. A disordered body falls apart faster than an ordered one. That hardly needs physics; that needs eyes in your head. This article traces the strange double life of entropy in Ida's late-career teaching: a frame her physicist collaborators (Peter Melchior, Valerie Hunt, the authors of the RolfB3 paper) pushed hard, and which she allowed into her published book and her advanced-class lectures, but which she herself never owned. She used the language when it was useful. She declined it when it pretended to explain more than it did. The passages collected here, drawn from her 1974 Healing Arts conference, the 1973 Big Sur and 1976 Boulder advanced classes, and the long technical discussions on the public tapes, show a woman who took the science seriously enough to refuse to be impressed by it.

The exchange that names the problem

The cleanest single record of Ida's reservation comes from a 1974 Structure lecture, taped during the Rolf Advanced class. An interviewer — likely the same colleague who had introduced her by reciting her Barnard PhD, her Rockefeller years, and her time hearing Schrödinger lecture in Zurich — circles back to the opening pages of her newly published book, *The Integration of Human Structures*. The book opens with entropy. He wants her to elaborate. She does not want to. What follows is one of the most revealing moments in the entire archive of her recorded speech: a colleague handing her a scientific frame she had let her co-authors install in her book, and Ida, in real time, refusing it. Her refusal is not anti-intellectual. It is the opposite. She thinks the concept is true and uninteresting — true in the sense that disordered bodies decay, uninteresting in the sense that you do not need thermodynamics to see it.

"In the course of your book, appeared last year, Rolling on Structural Integration, You began the discussion of Roelfing and talking about entropy and the law of entropy. And even though you did not mention it in your remarks then, I thought for the moment that we're speaking of your work as a chemist, that you might suggest how the law of entropy fits into your conception that later developed into Rolfing. I'm sorry, this is brand new idea to me and I'm afraid I'm going to have to take some time to think about it. Ask me a couple In more that the disordered structure tends to create greater entropy less Yes, the no question about that. There's no question about that. But that hardly needs physics. That needs just common sense to see that. Seems to me."

The interviewer raises entropy; Ida buys time, then dismisses the framing as common sense:

This is the doctrinal core of the topic — the moment Ida explicitly refuses the entropy frame as analytically useful.1

Two things are doing work in that exchange. First, the rhetorical move: *that hardly needs physics, it needs just common sense.* Ida is not attacking thermodynamics. She is refusing to let it serve as the dignifying frame for a claim she had been making for thirty years in plain language. The second move is the substitution. She immediately replaces the entropy frame with her own preferred frame — that gravity, accepted as a positive biological force, supports the structurally aligned body. That is the frame she actually uses to teach. Entropy describes the downside; gravity describes the upside. She is willing to discuss the downside, but only briefly, because the practitioner's job is on the other side of the ledger.

Why entropy got into the book in the first place

To understand Ida's reservation, one has to see where the entropy talk in her circle was coming from. It was not coming from her. It was coming from Peter Melchior and the physicists, biophysicists, and biomechanics researchers who clustered around her in the early 1970s — figures like Valerie Hunt, the unnamed author of the long RolfB3 technical paper, and the practitioners who took the long Boulder and Big Sur advanced classes seriously enough to try to translate her work into the idiom of contemporary science. Their reasoning was institutional as much as intellectual. If Structural Integration was going to be taken seriously by the medical and scientific community, it needed a vocabulary that community recognized. Thermodynamics offered that vocabulary. The 1974 Healing Arts conference at the Rolf Advanced is full of these efforts.

"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. It is one of the most striking testimonies to a parsimony in nature that two simple mathematical formulations were able to describe most of the properties of matter and provide a framework with which to understand these phenomenon on a molecular level. These laws, the first and second of thermodynamics, describe change or flow and ordering of energy respectively. Are these not the very same concepts that one intuitively invokes to describe the process of structural integration? Mainly that the person's structure has become more ordered and that he is more alive, that his energy is more flowing and that he somehow has more of it."

Here is the scientific case for the frame, made carefully:

This is the position Ida was responding to — the formal argument that thermodynamics provides the right vocabulary for what Structural Integration does.2

The researcher's argument was technically careful. He proposed measuring maximum oxygen consumption, comparing it to predicted values from postural mechanics, and treating any excess as evidence of dynamic energy reorganization in the fascial system. He modeled the body as joints powered by energy sources with springs and viscous dampers in parallel — and argued that if the connective tissue's viscous elements could be converted to more elastic ones, energy could flow between joints rather than dissipate in each one. This is real biomechanics. It is also exactly the kind of formal scaffolding Ida resisted using in the classroom. She let it appear in the book. She let it be presented at conferences. She did not adopt it as her own.

"describe change or flow and ordering of energy respectively. Are these not the very same concepts that one intuitively invokes to describe the process of structural integration? Mainly that the person's structure has become more ordered and that he is more alive, that his energy is more flowing and that he somehow has more of it. The question now is, can these intuitive perceptions be grounded in a mathematical formulation will not only describe this process but point toward a unified understanding of the underlying biophysical changes? When one thinks in terms of the energy in a biological system, what likely comes to mind is oxygen consumption. However, when asked a priori to predict how it should be changed by processing, one is in a bit of a quandary. We might predict a decrease in basal O2 uptake because less is needed due to improved Alternatively, one could argue that an increase in basal oxygen intake reflects the increased needs of a higher energy system, that is a greater requirement of previously starved undemanding tissue."

The same paper continues, framing Structural Integration in terms of the first and second laws:

The formal proposal in full — the work as 'change of energy in the system,' tested against oxygen-consumption metrics.3

The Healing Arts lecture: Ida deploys the language she will later disown

The historical record is not clean. Ida did use the entropy vocabulary herself, and used it extensively, in at least one major late-career lecture — the 1974 Healing Arts presentation, which became part of the published book on Structural Integration. Anyone who reads only that lecture would conclude entropy was central to her thinking. Anyone who reads the Structure Lectures, the Boulder advanced class transcripts, and the long public-tape discussions concludes the opposite. The honest historical position is that she let the frame in for certain audiences — physicists, conference attendees, book readers — and refused it for others. The Healing Arts lecture is worth reading at length because it shows her doing the work the frame was designed for.

"So as you see, we need to separate in our own minds what we're talking about in talking about energy. Physicists spend so much time and thought during the thermodynamics period exploring a concept called entropy, and those of you who have been through the physics classes know about entropy. As a result of this exploration, they postulated that each quantity of energy had an associated quality called entropy. This quality is a measure of the disorder in the system, and it varies in different types of energy. You see what this is saying? It is saying that any type of energy has a quality of disorder within it, and that quality of disorder takes away from the available energy."

Ida lays out the nineteenth-century physics of entropy for her Healing Arts audience:

She demonstrates the concept herself, in her own voice, with the historical context — showing she could deploy the framing when she chose to.4

Notice the texture of that passage. She is not improvising; she is recapitulating a chapter of physics history with care. She knows the names, the dates, the equations. The frame is at her disposal. The question for the historian is why, having mastered it, she would tell a separate interviewer the same year that the whole apparatus reduces to common sense. The answer in the next passage from the same lecture: she found a different formulation more useful — *gravity is the one energy that has no entropy.* That is the move she actually wanted to make.

"But it is the energy called gravity which is characterized by no entropy, and it is the only energy that is characterized by no entropy, no disorder, no randomness. Gravity is always going in the same direction. It never works at cross purposes to itself. It never loses gravity upward. It's always working in terms of its own directions, its own space, its own law. There is no entropy. Now what the nineteenth century physicists conceived of as the flow of energy was, in effect, the progression from order to disorder. Technically, it was stated that the entropy of a system always increased. The disorder, the randomness of the system, always increased. The energy system could always be degraded. The higher energy form transformed to a lower form, but never did the reverse happen. And so it was postulated in the late nineteenth century, it was thought that the energy of the universe was running down."

Having defined entropy, she immediately uses it to exempt gravity:

This is the rhetorical pivot — entropy gets named only so that gravity can be distinguished from it as the one energy without disorder.5

Read in sequence, the Healing Arts lecture and the Structure Lecture interview tell a coherent story. Ida used the entropy frame when it gave her a way to highlight gravity's uniqueness. She refused it when it threatened to become the primary description of what she did. The work, in her telling, was not anti-entropic; the work was pro-gravitational. The body did not need to be rescued from disorder. It needed to be placed where the most orderly energy in the universe could do its job.

Peter Melchior's two languages: randomness and entropy

The figure who pushed hardest for the thermodynamic frame in the Rolf circle was Peter Melchior — physicist by training, practitioner by practice, and Ida's most mathematically literate interpreter. On the long RolfA1 public tape, in a teaching session that Ida co-led, Melchior gives an extended exposition of entropy as the second law of thermodynamics. His move is to use the word *randomness* as the operational equivalent. This is Ida's preferred substitution too; she had been calling incoming bodies 'random' for years, well before the physics vocabulary entered her circle. The teaching session shows them working in tandem: Melchior provides the physics, Ida provides the bodies.

"For instance, take a take a room like this. And if you just let things go on in here and some kind of take a put put into this room 10 people who don't have a common purpose and who just kind of do their thing and whatever they do it. Eventually, this room with its with the chair sitting around here and the the fruit in the in the basket and whatnot will become messy, chaotic, random random in a sense away from the the degree of order that we can see in this room. K? And the only way to return it to this ordered state after it's become random random in a sense that we can't predict what it will be. So we have to introduce energy into it. We have to clean it up. But more than that, we have to clean it up in a pattern where we have some pre thought as to the direction we're gonna go. Recall it. I wanna see if you can get the price. Go ahead. For the constant the concept of of randomness is embodied in the second law of thermodynamics. That's that parameter that measures the degree of randomness is called entropy. And there's a statement that entropy is constantly increasing."

Melchior introduces entropy through a worked example — the messy room:

Melchior's classroom translation of the second law into something practitioners can hold — and the implicit contrast with Ida's plainer language.6

Listen to the structure of Melchior's exposition: he introduces the formal physics term, then immediately translates it into a domestic image — a messy room — and then again into the word *randomness*. By the end of the explanation, the physics has done its credentialing work and the practitioner is back to operating with Ida's plain vocabulary. This is the pattern across the archive. The physics enters, gets translated, and what remains in the practitioner's hands is the same thing Ida had been saying all along: bodies come in random, and the work is to put them in order.

"My little Susie, I can't buy a dress for her because she takes a size ten blouse and a size eight straight or six straight or vice versa. See, what I'm saying to you is that not merely is that are these parts random in terms of their position in space, but they are random in that the parts of the body don't match. Have seen us here in the terms of Jimmy Johnson. Those legs of his didn't match his torso at all. Those legs of Eric's didn't match his torso at all. You'll find very nice looking heads like Bill's head and Bill the top of Bill's neck when it came in here. But you couldn't believe that it was going to be put together on this on what was lying below it. This is also part of the concept of randomness. And you see this is a physiological part of that concept of randomness rather than a physical spatial thing that is very important to you people because this is the part within which you are working. You are working for physiological order. You are expecting to get physiological order by virtue of the road of spatial order. Now this is another new concept as you boys who have come from medical school will bear me out. The idea that you can spatially reorganize a body will not strike a medically trained person as nearly as revolutionary as the idea that you can functionally change a body by changing it in space. Am I right, Hector? The idea that you can take a chronic cardiac case where you have cardiac a provision of cardiac physiology and by changing the position of the space in which it is sitting change its function."

Ida picks up Melchior's randomness talk and turns it into something physiological:

Ida demonstrates her actual use of the vocabulary — not to invoke thermodynamics, but to name what she sees in disorganized children's bodies.7

The deeper refusal: we are not decreasing entropy, we are decreasing redundancy

The most striking moment in the entropy debate comes on RolfB6, in a long technical discussion between Ida and an unnamed colleague — likely Melchior or another physicist-practitioner — about whether the work actually decreases entropy. The exchange is extraordinary because Ida, far from softening her position, *inverts it*. She tells her colleague that she sees the work as *increasing* entropy in a controlled way — bringing the body out of an over-redundant, rigid configuration into a middle zone of flexibility. This is not the conventional reading of her work. It is not the reading her own book offers. It is what she said in the actual classroom when pressed.

"was I don't feel that entropy as a concept is particularly valuable to the Rolf processing."

First, the headline statement of her position:

This is the mandatory line that names the entire topic — Ida saying outright that entropy is not a particularly valuable concept for the work.8

The colleague does not accept this. He offers her the standard substitution: if you replace entropy with randomness, surely it is significant? Ida half-concedes — randomness, yes, that word is useful, she has been using it for years. But then she presses further. The substitution does not save the frame. The work is not about decreasing entropy, she tells him; the work is about rearranging processes. And then she goes further still.

"I see the person who comes into the room as being much too redundant and that we actually are increasing the entropy slightly by putting him into that middle zone where he's just right, but not so far that he goes to total randomness. In other words, we limit our destructuring."

The full inversion:

The most counterintuitive line in Ida's recorded teaching — that the work may actually *increase* entropy by moving the body out of over-redundant rigidity into a freer middle zone.9

That distinction — *rigidity is not the same as order* — is one of the most important late-career statements in the archive. It severs Ida's understanding of structural work from the popular metaphor of fixing what is broken, restoring what has been lost, undoing the second law. The body she encounters is not chaotic; it is too rigid. Her work introduces controlled flexibility. The endpoint is not maximum order but optimum order — a configuration with enough degrees of freedom to respond to changing demands. The entropy frame, with its imagery of disorder needing to be reversed, hides this. The redundancy frame, drawn from information theory rather than thermodynamics, makes it visible.

"I don't think That rigidity is not the same as order. No. Oh, definitely not. Yeah. No. Definitely not. We Order is non rigid. I think a redundancy in terms of the right angles. That's kind of redundancy. By order, the same thing follows"

She clarifies the order/rigidity distinction immediately:

The crucial conceptual move that distinguishes optimum order from maximum rigidity.10

What the physics was actually for: institutional credibility

If Ida thought entropy was common sense and possibly directionally wrong, why did she let it occupy such prominent space in her book and in her late-career conferences? The honest answer, threaded through her own remarks, is institutional. Structural Integration in the early 1970s was fighting for recognition. Esalen and Fritz Perls had given it cultural visibility in the late 1960s, but the practice needed a scientific accounting if it was going to be taken seriously by physicians, researchers, and academic institutions. The physics was the price of admission. Ida understood this clearly and said so.

"Now you see what I am talking about really is just part of the general history of ideas and their development, their application, ideas in general. A revolutionary idea develops first as an intuitive perception in the mind of the pioneer or the innovator. At this point in in its life it is practically an art form. It is an art form perceived as a whole embodying a total idea demanding a total expression, and this is where Rolfing was in the days of Esselen, the days which I have been describing. This was an art form that caught the imagination of a lot of people. At the time of Fritz Perles and those other those other founding friends this fairly expressed its level. But like so many ideas this has progressed to a level where it is now being examined and analyzed and fitted with words suitable for the current idiom. In other words, the idea progresses, I'm talking about ideas in general and Rolfing in particular, The idea progresses from an odd expression into a scientific understanding and thorough analysis, and you can see to what extent this is beginning to describe what you are seeing around you here. Do I think scientific analysis is the answer to all problems? Definitely not, certainly not. I think synthetic integration is a far higher form, and this is what, by the grace of God, we will still be able to call integration. I think for one thing science, but science is not all that bad, you can't just dam it out of hand. For one thing it permits and it encourages replication. And before the method can be taught replication must be possible. You all remember, I'm sure, hearing me the wail, the shortcomings of Rolfers. Don't think any of you have any doubts about that."

She lays out the institutional logic herself:

Ida's own account of why the scientific frame had to be developed — not because the work needed it to function, but because the broader culture needed it to legitimize.11

Read against this passage, the entropy talk in the published book becomes legible. It is the analytical stage. It is the work being fitted with words suitable for the current idiom. It is not the intuitive perception Ida started with, and she did not pretend it was. When the interviewer pressed her in 1974, she gave him the honest answer: the analytical frame is fine, but it does not generate the work. The work generates the frame. The frame is downstream.

"Actually, you need to be more conscious. I hear a certain amount of complaints going on these days because some of you who are in those older earlier brackets of Rolfing are complaining because we have so many new classes and we keep telling everybody about the difference in the teaching nowadays from the old teaching and so forth. But actually you see if we weren't changing in this very rapidly changing world we also would be in the garbage pail, I fear. It is this capacity for change and the fact that from somewhere out of the blue we are given a vision of how we can change that keeps us as a valuable contributor to the culture of today. And so I ask you that you look at this the next time you are inclined to complain because it is being suggested that you take further training in Rolfing and actually recognize the fact that that which worked five years ago, six years ago, ten years ago, It still works, but it doesn't work well enough, it doesn't work deeply enough, it doesn't get where we should be going in order to show what Rolfing really can do. Rolfing in the sense of this deep changing of the patterns of the fundamental structure of the body to conform with gravity."

She defends the continuous updating of doctrine against complaints from older practitioners:

Shows that for Ida, the language and conceptual frame of the work was always provisional — including entropy.12

Gravity, not entropy, as the real frame

If entropy was the language Ida tolerated, gravity was the language she lived in. Across the 1973 Big Sur class, the 1976 Boulder advanced, and every public-tape lecture in between, the actual conceptual move is the same: bodies in a gravitational field can be either supported by that field or destroyed by it, and the difference is structural alignment. This formulation is not derived from thermodynamics. It does not require the second law. It does not even require the word entropy. What it requires is the empirical observation that aligned bodies feel better, work better, and last longer than unaligned ones — and the theoretical claim that the alignment puts them in productive relationship with the one truly orderly force in their environment.

"This is what often has offered in addition to any other school. What's the difference between this and this? Is the answer. We are the only group who recognize that in order for a living body to be at ease in its spatial environment on the earth, it must deal positively with gravity or rather gravity must deal positively with it. Because what we here in Lawton are here to do, we can't change the gravitational field. This is odd, but we just have nothing that means yet. But what we can do is to change the way the parts of the body that I have already referred to, how they fit together into a whole which can transmit the gravitational field. And in its energy, which is the energy of the earth, in its transmitting of that, it enhances its own energy field. You can change the body by virtue of the fact that its segments are segments of a whole and then the gravity can flow through. Now this is the basic concept of Rolfe."

Ida names what distinguishes her work from every other manipulative school:

The frame she actually used — gravity as the unique tool — stated cleanly without recourse to thermodynamics.13

Notice what is absent from that passage. There is no second law. There is no disorder. There is no anti-entropic restoration. The frame is positive: gravity is a tool, alignment is the achievement, transmission is the function. This is the language she used hour after hour, year after year, in the rooms where she actually trained practitioners. The entropy talk happened in the conferences and the book, where the audience needed reassurance that the work had scientific content. The gravity talk happened in the classroom, where the practitioner needed to know what to do with their hands.

"Now the strange part about it is that that organ of structure is a very resilient and very elastic and very plastic medium. It can be changed by adding energy to it. In structural integration, one of the ways we add energy is by pressure so that the practitioner gives deliberately contributes energy to the person on whom he is working, to not energy in the sense that you let a position throw it around, but energy such as they talk about in the physics laboratory. When you press on a given point, you literally are adding energy to that which is under that point. And in structural integration, by way of an unbelievable accident of how you can change fashion structure, you can change human beings. You can change their structure and in changing their structure you are able to change their function. All of you have seen that structure determines function to a very great degree, to a degree which we can utilize. Now the basic law of law of law law is that you add structure to the body and in so doing, that you add structure you add energy to the body, and in so doing you demand all of you are going to hear a great deal more about this as time goes on. But this is the basic reason why structural integration works."

She explains the mechanism — adding energy to fascia by pressure — without entropy vocabulary:

The complete mechanism of the work stated in her own terms: pressure adds energy to fascia, fascia changes structure, structure changes function.14

The colleagues' overreach and Ida's gentle correction

By the mid-1970s, the entropy frame had developed its own momentum in the Rolf community. Practitioners and researchers were extending it in directions Ida had never authorized. Valerie Hunt, in her 1974 Healing Arts presentation, claimed that her instrument measurements of practitioners showed effects on energy systems 'in the direction of negative entropy,' invoking laser-beam coherence and the reversal of entropic deterioration. The slides of Kirlian auras circulated; the white coronas were photographed; the claims escalated. Ida tolerated this and even amplified it on stage. But the careful reader of the transcripts can hear her pulling back.

"Institute. My tentative conclusions are that Rolfing has a profound effect upon human energy systems in the direction of negative entropy, The counteracting of entropy: there are at least two aspects of the energy systems brought into greater coherency, and the physicists describe coherency to us and state that coherent energy or energy, for example, that goes through a laser beam places energy in unified directions, in a single direction, and that very small quantities of coherent energy are equal to atomic bomb energy and very large quantities of incoherent energy or dissipated energy is like random trade winds. They may be pleasant if you don't do much with them. I think that one of our goals should be human coherent energy in our quest and not just more energy. We might even solve our food problems. If we had coherent energy, we wouldn't have to feed the fuel as often."

Hunt makes the maximum claim:

Shows the kind of extension of the entropy frame that Ida tolerated in public but resisted in the classroom.15

Hunt's framing is exuberant. Laser beams, food problems, coherence as the new quarry. None of this is in Ida's classroom teaching. None of it appears in the Boulder transcripts of the same year. The contrast is instructive: in the conference setting, the rhetoric is allowed to soar; in the training room, the language gets pulled back to what practitioners can actually verify with their hands. The structural integrity of Ida's pedagogy depended on keeping these two registers separate.

"But the intuitive art approach proclaims it loud and clear. However, this has not been an accomplishment of nineteen seventy five-seventy six. So let us say here continued in our next. I planned to speak to you again on Monday evening. Isn't it Monday? Yeah. Monday evening, the close of the conference. At that time, you will have heard a great elaboration of the ideas which have been presented to you up to this point. And at that time, I would like to take on those ideas and carry them forward and sketch in to you and for you what I would like to see done in nineteen seventy six-seventy seven as a significant contribution to our information concerning Rolfing. And I think that if we all understand the directions in which we're trying to go, we have a much better chance of getting there faster. Many people have the complaint of many people has come to me that they want to continue Rolfing. They're not interested in science. This is fine for them, but I don't think it's fine for Rolfing. I think we have to know what we are doing and how we are doing it, what we are probably dealing with because certainty never comes in a situation of this sort."

Ida, on her own and speaking to practitioners, pulls the rhetoric back:

She explicitly names the limit of intuitive claims and demands data — a sharp departure from the conference-stage exuberance.16

What the practitioner actually does: order through the hands

Strip away the entropy vocabulary, the coherence rhetoric, the auras and the laser metaphors, and what remains in Ida's teaching is a practitioner with hands on a body, adding directed energy to fascial tissue until that tissue accepts a new configuration. This is the work as she taught it in the 1976 Boulder advanced class, and the description does not require thermodynamics to make sense. It requires a clear conception of what fascia is, what gravity does, and what hands can change. The entropy frame, useful for credentialing the work to outsiders, is unnecessary for performing it.

"Now, I would like at this point to throw a question into you. What is Rolfing? Does anyone Anybody want to answer that question? Oh, come now. I'm gonna fire all you advanced students. Be no class tomorrow. What is wrong? Hey. Come on. Come on. Come on. Okay. Give it to us. That's right. And the rougher is somebody who understands how to make those changes. And rauffing is a process I was happy to hear that word process is a process where you prepare the body to be able to accept the gravitational field of the earth for support, for enhancement. See, the random body is such that gravity cannot work through it. The field that surrounds the earth can not work through it. It has to work against it."

Teaching the 1976 advanced class, she defines the work for her students:

The complete definition of the work — as a process of preparing the body to accept the gravitational field — without recourse to thermodynamics.17

The 1976 definition is plain English. *Random* is a descriptive word about how parts of a body fit together — or fail to. *Gravity* is the field whose support the body either receives or cannot receive. *The work* is the process of preparation. There is no quantitative claim, no measured decrease in disorder, no laser-beam analogy. This is the language Ida used with her students. The contrast with the Healing Arts conference language is total. The students were getting the working vocabulary; the conferences were getting the credentialing vocabulary.

"And I'm talking here about energy being added by pressure to the fascia, the organ of structure, to change the relation of the fascial sheaths of the body, to balance these around a vertical line which parallels the gravity line. Thus, we are able to balance body masses, to order them, to order them within a space. The contour of the body changes, the objective feeling of the body to searching hands changes. Movement behavior changes as the body incorporates more and more order. The first balance of the body is a static stacking, but as the body incorporates more changes, the balance ceases to be a static balance. It becomes a dynamic balance. These are the physical manifestations of the increasing balance, but there is an outgoing psychological change as well toward balance, toward serenity, toward a more whole person. The whole man, the whole person evidences a more apparent, a more potent psychic development. This means that the rate that the ratio man energy to gravity energy energy has changed has increased. The ratio has therefore increased the force available to reverse the entropic deterioration. That is and greater. Our world is no longer running down."

Even in the lecture where she names entropy most directly, the operational claim is mechanical:

She returns to the mechanical core — adding energy by pressure to change fascial relationships — even within her most thermodynamics-saturated lecture.18

Coda: the honest position

There is no clean verdict in the archive on whether Ida embraced or rejected entropy. The honest historical position is that she used it as a tool of public address, refused it as a tool of private analysis, and never let it become the operational frame for what she taught practitioners to do. She found the concept obvious — bodies fall apart when they are out of alignment, that hardly needs physics — and she found the more rigorous treatments of it (Melchior's randomness, Hunt's negative entropy, the RolfB3 paper's energy-flow calculus) more useful as institutional dignity than as clinical guidance. When pressed in a sophisticated technical exchange, she even inverted the standard reading, claiming the work increases entropy slightly by introducing degrees of freedom into over-rigid bodies.

"In other words, if you get roffed, it's great if you love your roffer. I think it will happen if you don't, but I think certain energy flow will take place faster. My final reports will be worked on this fall and this winter for the professional group as well as for lay groups through the Rolf Institute. My tentative conclusions are that Rolfing has a profound effect upon human energy systems in the direction of negative entropy, The counteracting of entropy: there are at least two aspects of the energy systems brought into greater coherency, and the physicists describe coherency to us and state that coherent energy or energy, for example, that goes through a laser beam places energy in unified directions, in a single direction, and that very small quantities"

The conference rhetoric at its most expansive — for context against Ida's quieter classroom position:

The most exuberant version of the negative-entropy claim, against which Ida's classroom restraint can be measured.19

The pattern of the archive on this topic is consistent. The public-facing materials — the book, the Healing Arts conference, the Open Universe broadcasts — saturate the work in thermodynamic vocabulary. The classroom transcripts — the 1973 Big Sur, the 1975 Boulder, the 1976 Boulder advanced — strip it almost entirely away. The technical exchanges on the public tapes show Ida defending the substitution of *randomness* for *entropy*, refusing the claim that the work decreases entropy in any rigorous sense, and asserting that the actual movement is from over-rigid to optimum, not from chaos to order. The phrase that titles this topic — *entropy is just common sense* — is not a dismissal of physics. It is a refusal to let physics impersonate the work. Ida thought the work was harder than entropy, more specific than entropy, and ultimately not well described by entropy. She let the vocabulary do its institutional work, and she went on teaching practitioners in the language she trusted: the language of gravity, fascia, alignment, and the body as a plastic medium.

See also: See also: Ida Rolf, RolfA5 public tape — an extended reflection on energy economics in the body (the bank-account metaphor) and her own ambivalence about the language of leaking energy, which she explicitly distances herself from while still using it heuristically. RolfA5Side2 ▸

See also: See also: RolfB6 public tape (chunks 21, 41, 46) — Peter Melchior's longer expositions of entropy, information theory, and the deck-of-cards analogy for randomness, including the formal information-theoretic alternative to thermodynamic framing that Ida found more congenial. RolfB6Side2a ▸RolfB6Side2b ▸RolfB6Side2c ▸

See also: See also: Ida Rolf, 1976 Advanced Class — a sharper exchange in which a student challenges Ida's claim that there is no entropy in the gravitational field; she insists on the empirical observation that thrown balls always return, and warns against importing subatomic physics into the Newtonian range where practitioners actually work. 76ADV32 ▸76ADV12 ▸76ADV42 ▸

Sources & Audio

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

1 Interview: Early Life and Chemistry Career 1974 · Structure Lectures — Rolf Adv 1974at 33:03

In a 1974 lecture taped during the Rolf Advanced Class, an interviewer asks Ida about the opening of her recently published book, where the discussion of Structural Integration begins with the law of entropy. She first says the idea is brand new to her and asks for time to think — a striking admission given that the concept appears in her own book. The interviewer presses: doesn't disordered structure create greater entropy? Ida agrees there is no question about that, but then says the line that defines this topic: it hardly needs physics, it needs just common sense. She cannot see how anybody with eyes in their head could expect a disordered body, carried in a fashion it was never designed for, to function as designed. The passage matters here because it shows Ida treating entropy not as the explanatory principle of her work but as a restatement of something obvious — disordered bodies decay — that her practice was already addressing without thermodynamic vocabulary.

2 Quadratus Lumborum and Twelfth Rib various · RolfB3 — Public Tapeat 26:34

An unnamed researcher, almost certainly Peter Melchior given the mathematical fluency, lays out the formal case for using thermodynamics as the analytic frame for Structural Integration. He notes that before the molecular statistical-mechanical explanation, the gross properties of matter were described by two laws of thermodynamics — the first describing energy flow, the second describing the ordering of energy. He argues these are exactly the concepts one intuitively invokes to describe what Structural Integration does: the person becomes more ordered, more alive, with more flowing energy. He poses the question of whether these intuitive perceptions can be grounded in a mathematical formulation. This passage matters to the topic because it shows the intellectual seriousness of the project Ida was declining. She was not refusing crackpots; she was refusing trained physicists whose case was carefully made. Her refusal was a refusal of a real and well-constructed argument, not a dismissal of confused thinking.

3 Second Hour Review and Structure various · RolfB3 — Public Tapeat 0:00

Continuing the formal argument, the researcher describes the first law of thermodynamics — change in system energy equals work done minus heat dissipated — and proposes that basal oxygen consumption measurements be supplemented with maximum oxygen consumption tests. He argues, a priori, that maximum oxygen capacity should increase after the work, for two reasons: greater static alignment frees energy that gravity had been wasting, and the fascial system's reorganization facilitates energy flow. He sketches the body as an ensemble of energy-generating organs whose vector sum is the body's total energy. This passage matters because it shows the full ambition of the scientific framing Ida's colleagues were proposing. They wanted the work measured, predicted, and grounded in standard physics. Ida's resistance was not to measurement but to letting the measurement frame become the teaching frame — letting students believe they understood the work because they could recite the second law.

4 Historical Evolution of Energy Concepts 1974 · Healing Arts — Rolf Adv 1974at 11:07

In her 1974 Healing Arts lecture, Ida walks her audience through the late-nineteenth century development of thermodynamics. She names Einstein's E equals mc squared and Planck's equation about oscillation frequencies, situating these as a hundred-year revolution in how energy was understood. She then explains entropy: each quantity of energy carries an associated quality of disorder, and that disorder takes away from available energy. She presents this competently and historically — this is not the speech of someone who finds the concept worthless. The passage matters to this topic because it complicates the simple story that Ida rejected entropy. She knew the physics, she could teach the physics, and she included it in her major late-career public statements. The question becomes not whether she understood entropy but whether she found it pedagogically useful for training practitioners — and the answer, in the Structure Lectures, was no.

5 Entropy and Gravitational Energy 1974 · Healing Arts — Rolf Adv 1974at 14:18

Mid-lecture, Ida defines entropy as the measure of disorder in any energy system, then immediately distinguishes gravity from all other energies. Gravitational energy, she tells her Healing Arts audience, is associated with every mass in the universe — every star, every cosmic body, every human body. As that mass contracts under its own gravity, other energies appear: light, heat, motion, waveforms. But gravity itself, she insists, is the only energy characterized by no entropy. It never loses gravity upward. It never works at cross purposes to itself. It is always going in the same direction. This passage matters because it reveals what Ida actually wanted to teach. The entropy concept is a setup; the payoff is gravity as the uniquely orderly energy. Her practice was about putting the body where gravity could support it, and the scientific scaffolding existed to dignify that claim, not to generate it.

6 Random Bodies and Trauma various · RolfA1 — Public Tapeat 1:52

Peter Melchior, the physicist-practitioner closest to Ida's late-career theoretical work, gives an extended classroom explanation of entropy. He asks the room to imagine ten people without a common purpose just doing their thing — over time, the room becomes messy, chaotic, random, away from its initial order. To restore order, one must introduce energy, but not just any energy: energy directed by prior thought toward a chosen direction. He then names entropy formally as the parameter measuring randomness in the second law of thermodynamics. This passage matters because it shows the bridge figure between Ida and the formal physics. Melchior was the one trying to give practitioners a working vocabulary. Yet even he immediately translates entropy into 'randomness' — which is exactly the word Ida had been using on her own, without the physics. The translation reveals that the physics vocabulary may have been adding rigor without adding new content for practitioners on the ground.

7 Entropy and Physiological Randomness various · RolfA1 — Public Tapeat 11:58

Picking up after Melchior's formal exposition of entropy as randomness, Ida adds her own examples — the eight-year-old girl whose torso takes a size-ten blouse but whose hips take a size-six skirt; the named students in the room (Jimmy Johnson, Eric, Bill) whose legs and torsos do not match. Random, in her usage, is not just the spatial disorder of parts in space but the physiological mismatch of parts that belong to different developmental scales. She closes by pointing out that this physiological dimension of randomness is exactly what practitioners work within — they are reaching for physiological order by way of spatial order. This passage matters to the topic because it shows what Ida did with the entropy vocabulary when she chose to use it: she turned it into something concrete and clinical. The thermodynamic term became a way to name what practitioners see when bodies arrive — mismatched, off-axis, disordered in a way that has biographical and developmental texture, not just statistical-mechanical content.

8 Information Theory and Ordered Sets various · RolfB6 — Public Tapeat 1:27

In a long technical exchange on the RolfB6 public tape, with a physicist-trained colleague (likely Peter Melchior), Ida states flatly that she does not feel entropy as a concept is particularly valuable to processing in Structural Integration. The statement comes in the middle of a discussion about information theory, redundancy in language, and how messages get across between people of different levels of conceptual complexity. The colleague has been laying out a formal account of order using probability theory; Ida responds with this clean refusal. This passage matters because it is the most direct verbal statement Ida ever made on the question that titles this article. She is not hedging. She is not waiting to think about it. She is saying, in the middle of a sophisticated technical conversation she is competent to have, that the concept is not what the work is doing. The qualifier 'particularly valuable to Rolf processing' is doing precise work — she is not denying entropy as physics, only its pedagogical and clinical utility.

9 Redundancy, Entropy, and Order various · RolfB6 — Public Tapeat 14:28

Continuing the RolfB6 exchange, Ida tells her colleague that she sees the situation in the opposite direction from what the entropy frame would suggest. The person who arrives for the work is, in her telling, much too redundant — over-determined, over-rigid, locked into too few configurations. The practitioner increases entropy slightly, she says, by moving that person into a middle zone where they are 'just right, but not so far' that they collapse into total randomness. The work is bounded destructuring — limiting how much disorganization is introduced, but introducing some. She immediately adds that rigidity is not the same as order; order is non-rigid. This passage is the conceptual peak of the article's topic. It shows that Ida's refusal of entropy as a frame was not just stylistic. She actually thought the frame got the direction wrong. The work, in her view, was not anti-entropic restoration of order from chaos but the careful introduction of degrees of freedom into bodies that had over-determined themselves into rigidity.

10 Information Theory and Ordered Sets various · RolfB6 — Public Tapeat 3:02

Immediately following her statement that the work increases entropy slightly by moving over-redundant bodies into a middle zone, Ida and her colleague establish a critical distinction: rigidity is not the same as order. She offers the example of right angles as one kind of redundancy — a body whose parts meet at the same predictable angles regardless of demand. By contrast, order in her usage means relationship that holds without being frozen. The passage closes with her colleague affirming that order is non-rigid. This matters to the topic because it explains why Ida resisted the entropy framing more deeply: the frame implies that more order is always better, when in fact the work targets an optimum, not a maximum. The bodies that arrived for the work were over-ordered in the wrong sense — too predictable, too constrained — and the practitioner's job was to restore degrees of freedom, not to suppress randomness further.

11 Evolution from Art to Science 1971-72 · Mystery Tapes — CD2at 18:48

In a 1971-72 talk preserved on the Mystery Tapes CD2, Ida traces what she calls the general history of ideas. A revolutionary idea begins as an intuitive perception in a pioneer's mind — at this stage it is practically an art form, demanding total expression. She names the Esalen period and Fritz Perls as the era when her own work was at this stage. But ideas progress, she says, from art form into scientific analysis and thorough examination, fitted with words suitable for the current idiom. She is careful to add that she does not consider scientific analysis the final answer — she calls synthetic integration a higher form — but she defends the necessity of analysis as a stage. Science permits replication; before a method can be taught, replication must be possible. This passage matters because it explains the role entropy played in her project. The physics was not the truth of the work; it was the analytical stage that would let the work be replicated, taught, and recognized. It was the price, not the substance.

12 Evolution from Art to Science 1971-72 · Mystery Tapes — CD2at 15:59

In the same period, Ida defends the continuous evolution of the training against complaints from older practitioners who feel the new classes are unsettling what they learned years before. She acknowledges the complaints openly. Then she insists that in a rapidly changing world, an approach that does not change ends up in the garbage pail. The capacity for change, she says, plus the occasional vision of how to change, is what keeps the work valuable. What worked five or ten years ago still works, but not well enough, not deeply enough, to show what the work can really do. This passage matters because it establishes the principle that governs her relationship to entropy as a frame. She did not commit to vocabularies. She used them while they served, revised them when they did not. The entropy frame was useful for a season — it gave her physicist colleagues something to work with, it gave the book a credible opening — and she felt free to disown it in the classroom when its usefulness ran out.

13 Gravity as Rolfing's Unique Tool 1973 · Big Sur Advanced Class 1973at 21:43

Teaching the 1973 Big Sur advanced class, Ida lays out what she considers the distinguishing feature of Structural Integration. We are the only group, she tells the room, who recognize that for a living body to be at ease in its spatial environment, it must deal positively with gravity — or rather, gravity must deal positively with it. The practitioner cannot change the gravitational field; what the practitioner can do is change how the body's segments fit together into a whole that can transmit the field. In transmitting gravity, the body enhances its own energy. This is the basic concept of the work, she says, and she will ask the class for this answer in many different forms in the days ahead. This passage matters to the topic because it shows the frame Ida actually used in teaching — gravity as the unique tool, the field as a positive force, transmission as the goal — without any appeal to entropy or thermodynamics. The physics is implicit but it is Newtonian, not thermodynamic, and it does not require disorder as its starting concept.

14 Collagen and Connective Tissue 1973 · Big Sur Advanced Class 1973at 14:13

In the same 1973 Big Sur class, Ida explains the operational mechanism of Structural Integration. The fascial aggregate, she says, is the organ of structure — meaning relationships in space, which she insists is pure physics, not metaphysics. The fascia is resilient, elastic, and plastic; it can be changed by adding energy. In the work, the practitioner adds energy by pressure, deliberately contributing energy to the person being worked on. By way of what she calls an unbelievable accident — the way fascia responds to this energy — practitioners can change human beings: change their structure and, through structure, change their function. This passage matters because it shows the complete operational theory of the work without any reference to entropy. Pressure adds energy, fascia changes, structure changes, function changes. The chain is mechanical and Newtonian. The thermodynamic frame, with its talk of disorder and reversal, is not needed to explain what the practitioner does, and Ida does not invoke it here.

15 Aura Color Observations During Rolfing 1974 · Healing Arts — Rolf Adv 1974at 0:00

Valerie Hunt, presenting at the 1974 Healing Arts conference, summarizes her research findings on Structural Integration's effects on human energy systems. Her tentative conclusion is that the work has a profound effect in the direction of negative entropy — the counteracting of entropy. She invokes the physicists' concept of coherence, comparing coherent energy to a laser beam in which small quantities have enormous effect, contrasted with incoherent or dissipated energy compared to random trade winds. She calls for human coherent energy as a research goal, going so far as to suggest such energy might solve human food problems. This passage matters because it shows how far the entropy frame was extended by Ida's collaborators in her public-facing presentations. Hunt is making large claims — coherence, negative entropy, laser-beam efficiency — and Ida was sitting on the stage while she made them. The contrast with what Ida said in classroom transcripts of the same year reveals the gap between the public idiom of the conferences and the working vocabulary of the training.

16 Physics of Consciousness 1971-72 · Mystery Tapes — CD2at 1:50

Speaking to practitioners in a 1971-72 talk, Ida draws a sharp line. The intuitive art approach to the work, she says, proclaims its claims about energy and consciousness loud and clear. But the intuitive approach, she insists, is not enough. As of 1975-76, neither the practitioners nor anyone else had the technology to demonstrate these claims scientifically. She tells the room they cannot put the story out as 'I think' propositions — they have to know. She announces plans to sketch out, at a later session, what she would like to see done in 1976-77 as a significant contribution to information about the work. She notes that many practitioners have told her they want to continue the work without bothering with science; she calls this fine for them but not fine for the work itself. This passage matters because it shows Ida explicitly disciplining the very enthusiasms her conferences had unleashed. She is not opposed to the speculative frames; she is opposed to treating them as established. The entropy talk, the coherence talk, the energy-field talk — all of it had to be subjected to actual investigation before it could be taught as truth.

17 Energy, Chakras and Rolfing 1976 · Rolf Advanced Class 1976at 2:11

Teaching the 1976 advanced class, Ida puts a question to her students: what is the work? After some delay she gets the answer she wants. The work is a process, she says, in which the practitioner prepares the body to be able to accept the gravitational field of the earth for support, for enhancement. The random body, she explains, is configured such that gravity cannot work through it; the field has to work against it. It is not until the body is brought out of randomness and organized around a vertical that gravity becomes available as a supportive force. This passage matters because it shows the complete classroom definition of the work in 1976 — and the absence of entropy from it. The word 'random' appears, the word 'gravity' appears, but the thermodynamic apparatus that fills the published book is nowhere in evidence. The practitioner is being taught to work with gravity and against randomness, in the plain English Ida had always used.

18 Balancing the Body in Gravity 1974 · Healing Arts — Rolf Adv 1974at 5:51

Even in the 1974 Healing Arts lecture where Ida deploys the entropy vocabulary most extensively, the operational core of her account is mechanical. She describes energy being added to the fascia by pressure, the organ of structure being changed, the fascial sheaths of the body being balanced around a vertical line that parallels the gravity line. She names the physical results: the contour of the body changes, the objective feeling of the body to searching hands changes, movement behavior changes as the body incorporates more order. Only after this mechanical account does she pivot to the psychological consequences — increasing balance, increasing serenity, a more whole person — and frame this as the body's increasing capacity to reverse entropic deterioration. This passage matters because it shows that even at the height of her engagement with the entropy frame, the mechanical claim came first. The thermodynamics was the gloss; the work was hands on fascia, balanced around a vertical, in a gravitational field.

19 Aura Color Observations During Rolfing 1974 · Healing Arts — Rolf Adv 1974at 2:27

Closing her 1974 Healing Arts presentation, Valerie Hunt offers her most expansive claims about the work's effects. The work, she says, has profound effects on human energy systems in the direction of negative entropy. She invokes the physicists' concept of coherence and the laser-beam analogy — small quantities of coherent energy equivalent to atomic-bomb energy, contrasted with the random trade winds of dissipated energy. She speculates that coherent human energy might address food problems. She closes by crediting Ida with envisioning a tremendous concept for human improvement and evolution. This passage matters because it represents the maximum rhetorical extension of the entropy frame in Ida's immediate circle. Set against Ida's own statements that entropy is not a particularly valuable concept for the work, and her preference for gravity-centered language in the classroom, Hunt's exuberance shows how far the collaborators were willing to push a frame that Ida herself approached with greater reserve.

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.

← Topics