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

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 ...

Fight sarcopenia with 7 bodyweight drills that boost circulation, preserve fast twitch fibers, and build strength after 50.

Short bursts of purposeful activity — such as walking around the block or lifting small weights — may be the best way to get in the habit of exercising. Bite-sized bits of exercise also improve heart ...