Do you have lower back pain? That could possibly be triggered from a tight or weak psoas muscle. Where is the psoas muscle located? The Psoas muscle is located in your lower lumbar region extending through the pelvis and femur. If the psoas muscle is tight and weak, there are many implications that can lead to more injuries and pain. With the invention of the Pso-Rite, say goodbye to back pain with this easy-to-use recovery tool. There are many use cases for the tool that works as your personal massager without you doing the work. The most important use case will be pinpointing your body bylaying on the Pso-Rite directly on your psoas muscles. Loosen up your psoas and watch your athletic and fitness performance improve immensely.