This is a clip of biomechanist Katy Bowman teaching “Psoas Release”—one of 80 exercises in Nutritious Movement Improvement. Katy explains how to lie on your back in a way that not only is gentle on your body, but improves your ability to lie on your back. Find more exercises here: https://www.nutritiousmovement.com/store/product/nutritious-movement-improvement
Read more about how tension in these parts can make lying on your back a pain: https://www.nutritiousmovement.com/articles/why-does-my-lower-back-hurt-when-i-lie-down