Suppurative psoas abscess is an unusual lesion that is unfamiliar to many orthopaedic specialists, which can make an accurate and timely diagnosis problematic. The symptoms associated with this ...

What Is the Psoas Muscle? The psoas (pronounced so-ezz) muscles are two large muscles in your lower back. You have one on either side of your spine. They're the main muscular connection between your ...

The iliopsoas muscle is the major flexor of the hip joint, made up of the iliacus and psoas major muscles. Pain in the iliopsoas muscle can be caused by sitting too long, muscle imbalance, overuse, or ...