50min Active Therapeutic – opening psoas muscle (English) by Lori Burnworth | May 17, 2021 | 50 min and up, Beginners, Gentle and Therapeutic, English, Premium Online Yoga | 8 comments Lori offers this very effective class to relieve chronic tightness in the psoas muscle (lower spine muscle) and hips . . . You need a membership to access this class Membership is absolutely FREE for 30 days! Sign up Now!