From Zhang: What are the actions of musculature above the level of the trochanter, such as upper glute max and piriformis, at the bottom of a deep squat when hips are flexed above 120 degrees? Do these muscles still contribute to the internal rotation of the femurs in a deep squat, or do they change […]
hip flexion arc
Q & A for The 16% – Does Hip Flexion Measure Like Shoulder Flexion
Question: You’ve mentioned that different portions of the shoulder flexion are related to expansion of different parts of the ribcage. Is there a hip flexion arc that expands different parts of the body? Or is this concept only in shoulder flexion? In this video: I offer a look at how hip flexion mirrors shoulder flexion […]