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 ...

Tight hip flexors, especially a deep muscle called the psoas, can silently stress your spine. Here's why this muscle deserves more attention—and how to strengthen it. Lower back pain is often blamed ...

Whether you’re swinging a bat, reaching for your seat belt or simply turning to look over your shoulder, your ability to rotate affects everything from sports performance to daily life. Yet, for many ...