This week's Stretch of the Week is the High Lunge stretch, with an emphasis on the psoas. This high lunge variation is a deeper stretch in the psoas.
How to Stretch and Strengthen the Psoas
How to do Ashta Chandrasana Variation Hands Hip
Stretching the psoas to improve muscle development
Modified version of the lunge stretch exercise that was assigned to the
3 Ways to Stretch the Psoas Muscle - wikiHow
Ignored psoas need combo of exercises The Arkansas Democrat-Gazette - Arkansas' Best News Source
The Psoas Lunge. Two lunges for a supple psoas.
Yoga Move of the Week: Crescent Lunge
Hip Flexor Stretches