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 ...

This underrated anti-rotation move is becoming a favorite among fitness experts in the U.S. because it builds a stronger, ...

Patrick Murphy never does hanging knee raises because they work the hip flexors more than the abs. The celebrity trainer said Russian twists are ineffective too, and can lead to back pain. Instead, he ...

Morning exercises for waist bulge after 45: a CSCS shares 4 moves and a set-rep plan to feel tighter fast.