Medically reviewed by Kashif J. Piracha, MD Key Takeaways The iliopsoas muscle is the major flexor of the hip joint, made up ...

Stress, anxiety, and emotional tension may not just worsen existing hip pain — they could be key contributors.

Discover the one hidden muscle that could be causing your hip and back pain, and learn how to ease it with simple stretches.

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 ...