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 ...

Doctors determined a man's severe back pain was caused by a rare disease that leads to pus buildup in the psoas muscle. When you purchase through links on our site, we may earn an affiliate commission ...

When elite ultrarunner Mike Wolfe laced up for a tempo run in June 2009, his right hip flexor felt tender and sore. But nothing out of the ordinary for a runner who, in a weekend, can cover 75 miles ...

Iliopsoas bursitis can cause pain and limited range of motion in the hip joint. The condition often develops from overuse in athletes or other people who exercise regularly. Iliopsoas bursitis ...

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 ...