The Bill Hartman Podcast for The 16% Season 7 Number 9 Podcast
So you have to think about where we are in space because they're not in the same place. When I'm in hook lying and you look at the amount of hip bending, it's totally different from the squat. So what we're doing with the band in the deep squat is: as I gain depth and if I have the anti-orientation, all that musculature above the trochanter is going to be biased towards internal rotation. If I'm trying to improve the descent to increase the depth of my squat to capture that early representation, I have to eliminate the influence of that internal rotation. Otherwise, I won't capture the depth that I want, and I won't get the diaphragm position that I want. By fixing the femurs—so I'm not pushing out against the resistance; I'm holding my position against the resistance—what that does is it's an external rotation force. That means as I descend and that anti-orientation becomes an internal rotation influence, if I'm resisting, I reduce the internal rotation influence. So the musculature is less likely to produce internal rotation at that point, which allows me to eccentrically orient and descend. I'm going to capture the representation where the musculature that's pushing me forward, compressing the base of the sacrum, will release its concentric orientation, because I've got the external rotation force. That's going to allow the sacrum to tilt backward in the depth of the squat so it can actually capture the early representation of the deep squat.
hip mechanicssquat biomechanicssacral orientationinternal rotationexternal resistance