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

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 ...

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) ...

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