Psst: it's not another plank.

Add Yahoo as a preferred source to see more of our stories on Google. There’s no greater hallmark of fitness than a six-pack, which is why there’s typically no shortage of crunches and leg raises in ...

Internal Rotation is an often-overlooked exercise for the shoulders. It is important however, as it helps strengthen the rotator cuff, increases stability of the shoulder joint and improves range of ...