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 ...

Most of us know the names and location of the major muscles, and what role they play. No one’s giving me points for knowing the whereabouts of my pectorals or quadriceps, but when my editor tasked me ...

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 ...

(HealthDay) -- In patients with lumbarized sacra, a lateral transpsoas surgical approach to the L5-6 disc space can be managed with appropriate preoperative planning, including axial magnetic ...

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 ...