Wanderlust TV All About Your Psoas Curious about your psoas? Schuyler Grant dives deep into this crucial group of muscles. By Wanderlust We’ve all heard about the psoas, but what exactly does it do, and why is it so important? Schuyler takes us deep into this muscle group to explore all its fabulous functions. With the proper understanding, you’ll learn how to work with your psoas for a lifelong practice. Sign up for the Wanderlust 21-Day Yoga Challenge on Wanderlust TV.