That’s because hip flexors—the muscles that allow flexion at the hip joint—play a huge role in fluid running, and a set of tight ones can really mess with your mechanics. That’s where incorporating ...

Sit upright with knees bent, hands resting behind you. Cross left ankle over right knee. Let right knee travel out to the ...

In this six-part series, we'll demonstrate quick exercises for different areas of your body every week to help you stay limber.

When we sit, the hips and knees are flexed at a 90-degree angle. The hip flexors — the muscles that run along the front of the hip — become compressed and shortened. Over time, like a rubber band left ...

Stand facing away from a box, bench, or chair. Place top of right foot onto the box with left foot about three feet in front, hands on hips. Bend left leg to lower into a lunge until right knee ...

“When your knees are at 90 degrees while sitting, the hip flexor muscles are held in a shortened position – you’re keeping ...