Doing core before you start clocking miles can save you time and help you run more efficiently.

Add Yahoo as a preferred source to see more of our stories on Google. While vanity muscles are nice, building a strong, stable base is crucial for all of your other gym and athletic goals. "Planking ...

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

Stand with feet together. Shift weight to right leg. Hold a weight in each hand down by sides. Keeping back flat, core engaged, and shoulders down and back, hinge at hips by sending glutes straight ...

Psst: it's not another plank.

The dead bug exercise may have a funny name, but it's a seriously effective move. The slow and controlled core strengthening exercise involves lying on your back and moving your arms and legs in a way ...