How To Release Your Psoas Muscle 🫵🏼 Did you know… The posoas attaches your upper body to your lower body: it is the only muscle that connects your spine to your legs. 🤯 The psoas muscle is the deepest muscle in your core and it is very difficult to reach. To release the psoas muscle, try this exercise using a rolled up towel. For more tips on Follow us on TikTok @quinncastelane for more tips and tricks! #blocktherapy #psoas #muscle #painrelief #fasia | Block Therapy