In this video, I'm going to show you how to stretch your psoas muscle. Now, the psoas muscle is one of the biggest and thickest muscles in the body. It starts on the lower spine and comes around and attaches onto the thigh bone. And it's the main problem when it comes to lower back pain, something 80 percent of adults actually suffer from in this country. So, the best way to stretch it is lying on your back.
If you're lucky enough to have someone to stretch it for you, actually, you'll get a better stretch because the upper body can stay relaxed.
See below for a video which demonstrates how to do it effectively: