Anyone who spends a lot of the day sitting could probably stand to strengthen their glutes. And the clam shell exercise is an excellent way to do just that. But it also offers a whole lot more. This ...

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

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 ...