Why the femoral head is the only place change can begin
Ida's argument for why the hip joint matters at all is mechanical, not metaphorical. The feet rest on the earth, and the earth does not move. The legs, from foot to femur, are committed to that fixed relation. If the pelvis is going to find a new orientation — if it is going to become more horizontal, less anteriorly tipped, less rotated — it must do so by turning on something. The only candidate is the head of the femur. Everything in the first-hour technique, and a great deal of what follows, is organized around this single fact. The practitioner is not freeing the hip joint as one of many possible targets; the practitioner is freeing the one structural pivot through which the body can be reorganized at all. In a 1974 lecture, Ida lets a student work toward this realization before naming it herself.
"And to the bulk of your work, really, it's so Well, there I think there are a couple of reasons. One is that there are a great number of attachments of both muscles from the pelvis and muscles from the leg, which either insert there or across there or or around there. But you still haven't put your finger on the nubbin leg. The pin on the femur is the rotational point that's gonna organize the pelvis around. That's right. And you have to free the pelvis to rotate on the femur because the femur and the leg cannot change its relation to the earth. You see, the only place that you can begin to change the relation of the body to the earth is around the head of the femur, and you're blessed by the fact that the head of the femur is the junction for all of this stuff. Now this is a piece of velvet that God gave you as a wrapper, you see. So we free the legs from the pelvis by working predominantly around the head of the femur and with the hamstrings."
A student gropes for what makes the femoral head the chosen target; Ida lets the answer surface and then sharpens it:
Notice the form of her teaching here. The student offers a perfectly reasonable answer — many muscles attach in this region — and Ida accepts it as partly right, then keeps pressing until the deeper mechanical claim emerges. The femur cannot rotate against the earth, so the pelvis must rotate against the femur. That is the geometry. Once the practitioner sees it, the first hour stops being a sequence of techniques and becomes the opening move in a single ongoing strategy: prepare the acetabulum for the rotation that the rest of the ten-session series will demand of it.
Immature movement: the pelvis that travels with the leg
Long before Ida named the acetabulum as the structural pivot of the recipe, she had spent years watching how ordinary bodies move and had drawn a distinction between mature and immature use of the hip and shoulder. In her 1976 Boulder advanced class, presenting dissection photographs, she introduces the distinction directly. The immature pattern is the one in which the whole pelvis travels with the leg — there is no differentiation between the leg's swing and the pelvis's position. The mature pattern is the one in which the leg swings through the acetabulum while the pelvis holds its own organization. The parallel at the shoulder is exact: the glenoid fossa is to the scapula as the acetabulum is to the pelvis.
"relates, a mature shoulder relates to using the glenoid fossa and mature pelvis relates to using the acetabulum because so many people are just moving with the whole pelvis instead of letting the leg swing"
Presenting dissection slides in 1976, Ida names what mature movement at the hip actually means:
The phrase 'immature pattern' is doing a lot of work. Ida is not making a developmental claim in the strict biological sense — she is naming a use-pattern that most adults never grow out of. The pelvis-that-travels is what she sees in the random body walking through the door for the first hour. The first hour begins to address it, and every later hour continues the project. What practitioners are after, across the whole series, is the maturation of the hip joint — the transition from a body in which the pelvis and leg move as one unwieldy block to a body in which the femoral head functions as a true rotational center.
"We start to affect that and indeed we're affecting this part in the first hour so we're really getting to what I feel is the two points of what I consider changes in an immature body. At any rate, with the arms straight out to the side in this fashion then, you can start to see some of the pulls of the fascia going all the way down to the pelvis and below. This is what we call the third arm position."
She names what the first hour is doing in light of this distinction:
Freeing the pelvis means freeing around the hip joint
Once the acetabulum is named as the pivot, the first-hour and fourth-hour work takes on a different cast. Practitioners often describe what they do in the first hour as 'freeing the pelvis,' but Ida insists on a more specific formulation. The pelvis is not freed in the abstract — it is freed to turn around the hip joint. Everything that obstructs that rotation is, by definition, part of the same freeing operation, even if it is anatomically distant. The hamstrings, for instance, are not a separate target. They are part of the same constraint. In a public-tape dialogue with the practitioner Brooks, Ida makes this point with unusual directness.
"Now we're down to free the legs on the pelvis by freeing the structures around the hip joints and then around the hamstring muscles to evaluate how where the restrictions are in Brooks, I would like to underscore certain points. You free the pelvis by working around the hip joint. This is right. In order to allow the pelvis to turn around the hip joint. But I want you to be perfectly clear in your mind that the pelvis can't turn around the hip joint if the hamstrings are too tight. This is not a separate situation. This is still a freeing around the hip joint. The hamstrings also The hamstrings because the new hip of the pelvis has got to be around that hip joint. And so you have got to remove all restrictions that are keeping the pelvis from rotating around the hip joint."
Brooks has been describing how to free the pelvis. Ida interrupts to underscore the central point:
What Ida is correcting here is a habit of mind. Practitioners tend to think in terms of named structures — the hamstrings, the adductors, the rotators, the fascia lata — and to treat each as a separate target. Her correction is that the structural logic runs the other way. The target is the rotation at the hip joint. The named structures are simply the things that, in any given body, happen to be obstructing that rotation. The freeing is one operation, with many points of access.
"that the pelvis can't turn around the hip joint if the hamstrings are too tight. This is not a separate situation. This is still a freeing around the hip joint. The hamstrings also The hamstrings because the new hip of the pelvis has got to be around that hip joint."
She continues, drawing the hamstrings explicitly into the same conceptual frame:
She presses the point a third time in the same exchange, with a sentence that lodges in the practitioner's memory because it states the doctrine as a constraint. There is only one place where the pelvis can be adjusted around the hip joint, and that is at the hip joint itself. The back work matters, but only because it permits the rotation. The work in the legs matters, but only because it permits the rotation. The adjustment itself happens at the junction.
"So freeing the pelvis means freeing the musculature around hip joint in the fascia This is the only place where you can adjust the pelvis around the hip joint."
She delivers the constraint in one sentence:
The hip joint as the connection to the earth
In the same RolfA1 exchange, Ida widens the frame from the hip joint as an anatomical pivot to the hip joint as the body's actual connection to the ground. The legs, in her account, are not a continuous extension of the body downward — they are the body's interface with the earth, and the acetabulum is where that interface attaches. This reframes what 'adjusting the pelvis' really means. The practitioner is not adjusting the pelvis to itself, or to the spine, or to the thorax. The practitioner is adjusting the pelvis to the earth, by way of the hip joint.
"You see, you can say, well, what about the back and so forth? Well, fine. But really you are adjusting to the earth, so you've got to adjust that connection to the earth, which is the hip joint. And what goes on in the back is something like what goes on in the hip joint. It only permits the rotation around the hip joint. That that's neat to me, that idea."
She extends the doctrine: the hip joint is the body's connection to the earth, and adjustment must happen there:
The implication for technique is precise. Whatever the practitioner does in the back, in the thorax, in the lumbar fascia, only matters to the extent that it permits the rotation at the hip joint to take place. This is what Ida means when she tells practitioners not to leave the pelvis hanging in space. The hip joint is the ground anchor. Without that anchor as the active site of work, the practitioner is freeing structures that have no place to land. The fascia lata, in particular, becomes important precisely because it is what holds the leg onto the body at that anchor point.
"But I want you, all of you, to have in your imagination the visualization of it's the hip joint that has to be rotated around. Don't leave your pelvis hanging in space, so to speak. And and here, the fascia lata is really important because it's really holding the leg onto the Yeah. That's right."
She asks the listener to keep the visualization in mind:
Horizontalizing the pelvis means rotating it around the hip joint
By the third hour of the 1975 Boulder advanced class, Ida had pressed students through a sequence of partial answers and had begun to drive the doctrine home with a kind of mechanical insistence. The pelvis must become horizontal. The earth cannot turn. Therefore the pelvis must turn. Therefore it must rotate around something. The 'something' is the hip joint. This is not a metaphor about pivoting — it is a literal geometric necessity. There is no other axis around which the pelvis can rotate to find horizontality, because the only fixed reference is the earth, and the hip joint is what attaches the pelvis to the earth through the legs.
"In order to horizontalize the pelvis, you have to turn it around something. You can't turn the earth. You have to turn the pelvis. So you have to rotate it around something. You have to rotate it around the hip joint.
In the 1975 third-hour discussion, she states the geometry as a syllogism:
The passage then extends to the strings that tie into the hip joint or cross it — the structures going into the anterior superior iliac spine, the adductors, the surface material made too tight and too short by years of use. Each of these has to be ordered in such a way that the new relation allows the expansion and extension that the rotation needs. And because the other end of the leg is the foot, and the foot must remain on a horizontal surface, all of this work is constrained by the fact that the foot is committed to the floor.
"And that hip joint is tied in in terms of the way the guy has been using himself and his pelvis and his legs just as much as the thorax was tied in. So what you have to do is to go to the strings that tie into that hip joint or and or cross them. You have the stuff that goes into the anterior superior spine. They don't tie into the hip joint, but it crosses it."
She extends the geometry to the structures that bind the hip joint:
The femoral head and the inside of the pelvis
In the 1975 Boulder class, on the day she was teaching the seventh hour and the floor of the pelvis, Ida moved into a quieter, almost speculative passage about the relationship between the heads of the femur and the inside of the pelvis. The pelvic floor, in this image, is slung between the femoral heads on the sides and the coccyx and pubic arch at the ends. The acetabulum is not just a rotational axis — it is the lateral attachment of the floor itself. This adds another layer to what the practitioner is doing when working around the head of the femur: not only freeing the rotation, but participating in the suspension of the pelvic floor.
"is this relationship between the heads of the femur and the inside of the pelvis. And there's something really critical there in terms of establishing this horizontality. It's almost as though the pelvic floor was slung from the heads of the femur this way and from the coccyx and the pubic arch the other way."
Working the seventh hour, she names the relationship she has been spending time with:
The image of the floor as slung between the femoral heads also explains why work around the acetabulum produces effects far above. If the floor is suspended from the heads of the femur, then the position of those heads — and the tone of the structures that approach them — determines the tone and position of the floor. This is part of why the floor of the pelvis cannot be addressed only from beneath. The lateral suspension matters as much as the vertical loading.
"Pelvis is still the floor of the pelvis in the sixth hour. And the floor of the pelvis is very largely determined by the rotators and that tone and that position. Well, structurally, the rotators that cross from the outside to the inside are different are different than the ones that go from the outside to the outside. And there's, like, two Well, all of this is true. I still I personally you don't have to, but you still kind of have to if you're gonna teach it in the same sequence."
She insists that the rotators belong to the same conversation as the floor:
The rotators and the inside-to-outside reach
The rotators are, for Ida, one of the most consequential muscle groups in the body, and the reason has to do with the architecture of their attachment. Most of them originate inside the pelvis and attach to the femur near the greater trochanter — meaning they cross from the inside of the body to the outside. This makes them an unusual access point. The practitioner working from the outside of the body can, through the rotators, affect structures normally beyond reach: the inside of the sacrum, the inner lining of the pelvis, the pelvic floor. The obturator internus is the clearest example. It originates broadly inside the pelvis, passes through the greater sciatic notch, and attaches to help rotate the femur. The fascia covering it — the obturator fascia — is itself the attachment site of the levator ani.
"The obturator internus originates all in here, comes out through this greater eschatic notch that attaches to help rotate the femur. But it's covered on the outside by a thickening of fascia called the operator fascia and that's that operator fascia that the iliopoxygus muscle is attached to. So you can actually affect tone of the pelvic floor by just working on that one particular fascial reflex."
Teaching the rotators in the 1973 Big Sur class, she lays out the obturator's reach:
This architecture explains why so many of the physiological changes that follow work in this region — changes in pelvic-organ function, in elimination, in sexual sensation — concentrate around the rotator work. The practitioner is reaching, through the obturator and the piriformis, structures that are continuous with the deep lining of the pelvis. The passage from outside to inside is real, anatomically. There is no metaphor in it.
"Show while we're thinking about this, there's another important reason for working with piriformis and that is it's coming from the inside of the pelvis to the outside and this is why you give them up a lot of physiological changes in people. Yes. And that's one of the reasons that makes this whole thing so very important. Now when you come right down to it, the psoas also comes. From The this operator internus comes from way in here out to here and the operator fascia which is almost a thickened fascia around the operator internus is actually the attachment of the iliotoxicis muscle."
She names why the rotators carry such physiological consequence:
Why the rotators matter in the sixth hour
By the sixth hour of the recipe, the focus has converged on the rotators specifically because they hold the position of the femur at the trochanter and, simultaneously, the position of the sacrum at the anterior surface. The body has been prepared through the previous hours so that the practitioner can finally reach this layer. The sixth hour is, in Ida's framing, the hour of the sacrum — and the only way to reach the sacrum's anterior surface from the outside is through the rotators that attach there. In the public tapes, a student named Bob walks her through what the sixth hour is doing; her interjections sharpen the structural argument.
"and the rotators are such. And they attach onto the femur via the greater trochanter. And in order to get your legs, so to speak, under you, you have to deal with the rotators because they will help imbalance the legs and not get them underneath you. So we have to get to this area if we're going to get proper balance with the legs and the pelvic girdle."
A student lays out the sixth-hour logic; she lets it stand and adds the rationale:
The student then makes the move that Ida has been waiting for: he names the other end of the rotators. Most of them attach not only at the trochanter but on the anterior surface of the sacrum. This is the structural fact that makes the sixth hour structurally unique. There is no other approach in the body where the practitioner can reach the anterior face of the sacrum from outside the body. The rotators are the conduit.
"Oh, and the sacrum. Sacrum. Yeah. I was with them. The fact that the rotates are attaching on the anterior side of the sacrum. That's right. That's the point of the rotators. Say it again. The other end of the rotators me is the rotates on the anterior surface of the sacrum. You remember that we went into this at great length yesterday, that this is a unique situation where you can get the prevertebral organization of the sacrum from the outside of the body. And you just, any of you that want to, offer me a suggestion as to what single bone of the body and its position is more important than the sacrum."
She seizes on the point and elevates it:
Revising the lateral-rotator concept
By the 1976 advanced class, working with dissection photographs and with the senior practitioners Jim Asher and Dick Schultz in the room, Ida had begun to revise the terminology she had been using for years. The conventional name 'lateral rotator group' had, she said, gotten the work into trouble — because the name implies a function (lateral rotation) which the muscles only partly perform and which obscures their actual structural role. What she saw in the dissections was a fan-like arrangement of muscles, each with its own particular contribution, only some of which had to do with rotation in the simple sense. The gluteus minimus, in particular, she now saw as an extension of the rotator group rather than as a separate abductor.
that the turn lateral rotator is something that's gotten us into trouble and I would hope ultimately we can using because I see this as like a often a fan like arrangement of muscles, each of them having a particular function in terms particularly here of the origin of the piriformis on the inside of the sacrum, the origin of the obturator internus on the inside of the pelvis."
Looking at dissection slides, she steps back from terminology she had used for years:
The revision is not cosmetic. By moving away from 'lateral rotators' as a name, Ida is asking practitioners to stop treating the group as a functional unit organized around a single action. Each muscle has its own contribution. Practitioners tend to overuse one or two of the group and underuse the rest, leaving an imbalance that the work has to address muscle by muscle, not as a block. A student in the room — most likely Jim Asher, given the context — then presses the point further: pure rotation does not happen in the living body. The leg flexes, abducts, swings forward and back. Any treatment of the rotators that imagines them performing rotation in isolation has misunderstood the movement they actually contribute to.
"Yeah, I think that the idea of rotation begs the question of what happens when the leg swings forward or back. Because you don't ever make a simple rotation anywhere. There is almost no way you can do it. You are going to abduct some or you are going to flex some or we don't make those kinds of moves in isolation."
A student in the room pushes the revision further:
The trochanter as the gathering point of fascia
In the same 1976 dissection sequence, Ida and her colleagues found something they had not expected: the entire greater trochanter region was wrapped in continuous fascial sheets coming in from the quadratus femoris below, the vastus lateralis in front, the gluteus medius above. The dissectors described it as 'slick gunk,' as ropes and tunnels and tendons stuck together. This explained, for them, why the hip joint was so often difficult to free. The work was not opposing a single tight muscle or a tight ligament. It was opposing a continuous, mixed fascial sheet that had to be differentiated piece by piece.
"Absolutely slick gunk, it's got Ross ropes in it, it's got everything in it. So that this just slides over the trochanter, It's in continuity with the fascia from the quadratus femoris. It's in continuity with the fascia from the vasta lateralis. It's in continuity with the fascia from the medius and it all just sort of rolls. As you know, we felt that. It sort of rolls over the top of that greater trochanter and there's tunnels in there. That dark area, the resection of that strap, you call this? Here is where the strap was. What's that dark area above it? That's the cut edge of the maximus."
The dissection finding around the greater trochanter:
The pedagogical consequence is that the practitioner working around the hip joint must be prepared not to encounter discrete muscles but a continuous fabric. The work is one of differentiation — separating the gluteal fascia from the iliotibial tract, finding the planes that allow the medius and the maximus and the rotators to slide against each other again. In the 1973 Big Sur class, Jim Asher walks through how this looks in practice, with Ida intervening to redirect the access.
"so you could actually go under them and affect the structure and they could allow length for your manipulation underneath that area so that when you got into those rotators, they, again, you're affecting the physiology of the whole area. When you get into the rotators, don't want to have tightness above it. But we're working, I don't think this thing really isn't in your life, you're working on all these, you're working on tendons, ligaments, all types of things that are holding this thing down. Yes you are, but now look at just look at you if you go in from the inside Mhmm. And come around and come off with your hand on the inside. You can't get around that far. There, see what you've got there, you see how you can get up there and really get you to go toward the attachment. And I kept telling you, try to get onto the medial aspect of the acetabulum. From the inside, yeah, right there. That's the key to the situation. Now this is the obturator externus which is also a rotator. It's not just the obturator externus, there's also a lot of fascial planes in here."
Working through the rotator access, she pushes him toward the medial aspect of the acetabulum:
The pelvis as the floor, not the bone
In the 1975 Boulder advanced class, on the second day of the fifth-hour discussion, Ida pressed Steve Weatherwax to name what the fifth hour was about, and then redirected his answer with a correction that bears on everything in this article. Steve gave a competent structural answer: the fifth hour begins to lengthen the front of the body. Ida accepted the answer and then said he had not given the full key. The full key, she said, is that the fifth hour has to do with the floor of the pelvis — and when practitioners talk about 'the pelvis,' they are really, or should be, talking about the floor.
"And this is the answer, only Steve didn't give you quite the full key. The full key is that this has to do with the floor of the pelvis. And you were talking as though you were dealing with the bony. One is equivalent to the other practically, but nevertheless, I'd like to get this into your imagination. That this fifth hour has to do with the horizontalizing of the floor of the pelvis. Now I haven't heard anything in this class nor do I hear much in any classes come to think of it. To indicate that you people recognize the fact that it is the floor of the pelvis, that is the vital structure in this trip. We talk about pelvis. We are really talking about the floor of the pelvis."
Correcting Steve Weatherwax's fifth-hour answer, she relocates the conceptual center:
This correction has direct consequences for how to think about the acetabulum. If the operational target is the floor of the pelvis, and if the floor is laterally suspended from the femoral heads, then work around the acetabulum is work on the floor — not work on the bone. Every freeing around the hip joint adjusts the lateral suspension of the floor. Every freeing of the rotators adjusts the floor's tone from within. The acetabulum is not a target in itself; it is the access point to a deeper structural objective.
Why the fourth hour prepares the hip joint
The fourth hour, in Ida's recipe, addresses the adductors and the inside of the leg. Practitioners have often wondered why this work, on its face quite distant from the acetabulum, produces such immediate changes at the hip joint. The answer Ida and her students worked out, in the 1971 Mystery Tapes and again in the 1974 IPR lectures, has to do with fascial continuity. The fascia wrapping the adductors does not stop at the pubic ramus. It continues up between the rami, blends with the obturator fascia, and becomes part of the floor of the pelvis. Working the adductors, in this account, is working the floor of the pelvis — and therefore working the suspension that hangs from the acetabulum.
"Well the fascia that wraps the adductors and the inside of the leg extends right up inside the pelvis and covers the What do you mean by inside the pelvis? It comes up between the rami and then blends with the fascia that covers the obturator internus and becomes part of the floor of the pelvis. So by releasing the legs you change the tone of the floor of the pelvis. You're on the way, I think. You haven't quite made it. You should've made it more now than anyone else. I would think that also that fascia then in turn blends with the iliac fascia and distal. That's a really good picture in Grants of that."
A student traces the fascia from the adductors up into the pelvis; Ida lets him work it out:
The same logic applies in the other direction. Work on the obturator fascia from above, through the rotator approach, affects the adductors below. The body does not respect the anatomical boundaries that textbooks draw. The practitioner who has thought through the continuity can choose access points strategically, knowing that work at the adductor will reach the pelvic floor, and work at the rotator will reach the adductors.
The iliac fascia and the inside of the pelvis
In her August 1974 IPR lecture, Ida laid out — with unusual anatomical care — the continuity of the fascia inside the pelvis. The iliac fascia lines the inner surface of the iliac bone, covers the iliacus and the psoas, and is continuous above with the transversalis fascia of the abdomen and with the fascia of the quadratus lumborum. Below and posteriorly it continues with the fascia of the piriformis from the sacrum. Laterally, by way of the iliopsoas tendon, it continues with the fascia lata as the tendon passes under the inguinal ligament to the lesser trochanter. This is a single fascial system that ties the inside of the pelvis to the hip joint through the iliopsoas, and to the floor through the obturator and piriformis fascias.
"This is going to be continuous with the transversalis fascia of the transversus muscle up in the abdominal region. It will also, as I indicated in the brief talk last time, be continuous with that fascia of the quadratus lumborum. It will be continuous below and posterior with the fascia of the piriformis, which is coming from the sacrum. It will be continuous with the fascia of the iliacus, the obturator fascia. And then by the attachment of the combination of the tendon of the iliacus and the psoas, of the iliopsoas tendon be continuous with the fasciata. And also probably, yeah, would be from the side continuous with the fascia of the pectineus. So actually, we may never, Tom did to me the other day, but frequently in the first ten hours we don't get to the iliac fascia. We are making a definite change in it by the work on the crest which would be affecting probably more the transversalis fascia than that of the iliacus but again considering this as being continuous by the work that we do in the piriformis and by the work that we're doing down here on the psoas. Now, extending in front of this then is the inguinal ligament."
Laying out the continuity of the iliac fascia:
The practical consequence Ida named in the same lecture was sobering. In the first ten hours, the practitioner often does not directly reach the iliac fascia. But the continuity means that work on the crest, on the piriformis, on the psoas, is reaching it indirectly. The iliac fascia is a deep target that the recipe addresses through its peripheral attachments. This is part of what Ida meant when she said the work must start at the outside and go in — not because the inside is unreachable, but because reaching it requires that the outside continuity be in order.
The acetabulum and the gravity line
In her 1974 IPR lecture on the body's relation to the gravity line, with Dick Schultz and Bob present, Ida gathered the doctrine of the acetabulum into a single observation about leverage. If the pubes go up one increment, she said, the sacrum will go down almost two and a half or three, because the acetabulum acts as the fulcrum. The geometry is favorable — small front-of-body changes produce large back-of-body effects, because the lever arm runs through the hip joint. This is not just an account of why the recipe works; it is an explanation of how the body holds itself together as a mechanical system.
"If we take the acetabulum as the fulcrum point, it looks like it's almost three to one. But if the cubes go up one increment, the sacrum will go down almost two and a half or three. Yeah. That's right. That's absolutely right. It doesn't take much in the front to really get a lot of action on the back. You've seen it. I've seen it right now with the Yeah. You're seeing it right now. Yeah. But you've seen it in the living specimens."
A student does the leverage arithmetic; Ida confirms it:
This is one of the few moments in the transcripts where Ida lets her colleagues do the explicit mechanics with her. The student names the ratio; Ida confirms; both agree that you can see it in the living specimens, not only in theory. The picture that results is of a body in which the hip joint is not merely a place where things happen but the architectural pivot that organizes the relation of the front of the body to the back, the floor to the ceiling, the legs to the spine. Everything Ida said about freeing the pelvis around the hip joint rests on this geometry.
The third hour and the adductors below the pelvis
In a 1971-72 Mystery Tape, Ida walked through the third-hour work in a way that ties it back to everything this article has been tracing. The third hour, she said, is doing below the pelvis through the adductors what the practitioner has been doing above through the lengthening of the trunk. And once the adductors are in the right place, the floor of the pelvis begins to respond. The fourth hour then follows as a continuation — organizing the leg beneath the pelvis until the pelvis 'clicks' into the new relation. The whole sequence is held together by the fact that the floor of the pelvis connects with the leg and connects with the spine, and the leg connects with the spine, around and around. The acetabulum is the geometric center of that circulation.
"Now the thoughts are you are doing the same below the pelvis through the adductors or in terms of the adductors. And only secondarily then, because you get your adductors and so forth in the right place. Only secondarily do you finally get the results on the floor of the pelvis. Now in practical terms, you're going to find yourselves dividing into two classes in the fourth hour. There's a bunch of guys that get on the ankles and are completely unhappy unless they can get the foot and the lower leg lined up. You move along a road. And you move along the road of organizing the leg, you are now organizing practically all of the leg beneath the pelvis. And then the pelvis clicks. Because the floor of the pelvis connects with the leg and connects with the spine."
She lays out how the third and fourth hours work the pelvis from below:
The image of the circulation — leg to floor to spine to leg again — is one of the most concise statements in the transcripts of why the hip-joint work cannot be isolated. The practitioner who tries to address the hip joint without the adductors, the floor without the leg, the leg without the spine, has misunderstood the geometry. Everything passes through the acetabulum because the acetabulum is where the leg and pelvis articulate, and that articulation is what gathers the rest of the system.
The first hour as the beginning of the work at the acetabulum
Bob Hines, in the 1975 Boulder advanced class, articulated something Ida had been teaching for years but rarely stated in one sentence: the first hour is the beginning of the tenth. Every later hour continues what the first hour opens. In the context of the acetabulum, this means that the work around the hip joint, begun peripherally on the first hour, is what the rest of the series carries to completion. The fourth hour reaches the floor through the adductors. The fifth hour horizontalizes the floor. The sixth hour addresses the rotators and the sacrum. The seventh continues. The work at the acetabulum is not finished in the first hour; it is begun there.
"What does matter is you understand you have to lift that up off the pelvis to start getting mobility in the pelvis. Uh-huh. The first hour is the beginning of the tenth hour. Okay? Uh-huh. The second hour is a follow-up of the first hour. Uh-huh. It's just the second half of the first hour. Okay? And the third hour is the second half of the second and first hour. It's literally a continuation. I clearly I clearly saw, you know, last summer that continuation process and how and, you know, Dick talked about how, you know, the only reason it was broken into 10, you know, sessions like that was it because the body just couldn't take all that work."
Bob Hines compresses the recipe's structure into a single observation:
This continuity is part of why Ida insisted, in another context, that the practitioner's job is with the pelvis from the first moment to the last — from the first hour through the tenth. The acetabulum is the operational center of that job. The first hour begins the freeing around it. The intervening hours continue, deepen, and address the structures whose disorder prevents the rotation. The tenth hour confirms that the rotation is now available to the body.
"Again, it was adductor group and getting in getting into the pelvis itself rather than working specifically on the knee as a structure. Your your job is with the pelvis. Your job is with the pelvis. Your job is with the pelvis. Right? From Job is with the pelvis from the first moment you take that guy on to the last moment when he kisses goodbye. It's like it's like making you know, just facing the pelvis. I hate to tell you, but you boys are going to have your minds predominantly focused on puppies for the rest of your life."
She makes the pelvis-centered framing of the whole series explicit:
Coda: the rotation that does not happen alone
The 1976 revision of the lateral-rotator terminology was, for Ida, part of a larger movement in her late teaching: away from naming structures by their isolated functions and toward thinking about compound movement at the hip. By 1976 she had been watching bodies for sixty years and teaching the work for nearly thirty. The body she was now describing was one in which no rotation happens alone, no abduction happens without flexion, no movement is the action of a single muscle. The acetabulum, in this late picture, is the geometric center of an integrated motor system in which the work of the practitioner is to restore the capacity for compound movement that the immature pattern had foreclosed.
What persists across the decades of teaching is the structural argument. The hip joint is the only place where the body's relation to the earth can be re-set. The pelvis can only become horizontal by rotating around it. The floor of the pelvis is laterally suspended from it. The rotators, the adductors, the hamstrings, the fascia lata, the iliac fascia — all the named structures Ida treated — exist in this picture as participants in the rotation that the acetabulum allows. The first hour begins the work, and the tenth hour confirms it. In between, every session returns to the same junction, because there is no other place where the body's structural relation to gravity can actually change.
See also: See also: Ida Rolf, IPR Lecture August 5, 1974 (74_8-05A) — an extended treatment of the rhomboid–psoas relationship as the deep coordinating axis above the hip joint, included as a pointer for readers interested in how the acetabular work integrates with the upper-girdle coordination. 74_8-05A ▸
See also: See also: Big Sur 1973 — Tape 12 (SUR7322), the extended exchange in which Ida and her colleagues work through the obturator and rotator architecture in detail, and the case of the wheelchair model whose pelvis began as 'lead' and gradually changed. SUR7322 ▸
See also: See also: Big Sur Advanced Class 1973 (SUR7302) — Ida's exposition of the gravity line through the hip joint and its passage through the bodies of the lumbar vertebrae, and the concept of rotation as it appears in the random body. SUR7302 ▸
See also: See also: 1975 Boulder advanced class, Tape 10 Side A (T10SA) — an exchange on the sacrotuberous ligament, the coccyx, and the sequence of access from rotators to coccyx to sacrum after the hip-joint work has been completed. T10SA ▸
See also: See also: 1971-72 Mystery Tapes — CD2 (71MYS21) — an extended account of the fourth and fifth hours as they bear on the hamstrings, the adductors, and the pelvic floor, with particular attention to the three places where the hamstrings can actually be reached. 71MYS21 ▸
See also: See also: RolfB3 public tape (RolfB3Side1) — Ida's exposition of the third-hour work and the layered confusion of fascial relationships around the iliac crest, the quadratus, and the lateral pelvis. RolfB3Side1 ▸