Andrew Huberman· PhD
it's a wonderful one because it allows for stretching of the soaz muscle right the muscle that is easy to say and hard to spell soaz it's PSAs right I think the p is generally silent you'd say soaz muscle um the soaz muscle is involved in connecting the spine to the pelvis okay it also has an interaction with the diaphragm that's really important this muscle that's important for breathing and many people have tightening of the soaz tightening of the hip flexors but being able to stretch the soaz muscle is something that provides a ton of relief to the tightness that one can experience from sitting too much from being in a hip hinge position too much especially if you're doing heavy hip hinge work and then you're sitting or driving a lot