A physical therapist explains how a modified side plank with a clamshell strengthens runners’ core and hips to improve ...

A physical therapist explains why this simple at-home move targets overlooked muscles that support powerful, more efficient running.

I love the clamshell exercise, too. I do this simple movement on the floor, from the comfort of my yoga mat (or carpet), and it's done more for my hip mobility, core stability, and glute (buttock) ...

Strong hips and glutes are a must if you want to run well – so if strengthening these areas is one of your goals, be sure to add the clamshell exercise to your strength training routine. The ...