Flutter kicks are an awesome core move to tone your lower abdominals. But you need to do it correctly to get the benefits. Here's how to do flutter kicks.

You don't need leg raises or heavy weights to strengthen your core and hips, just try the dragon flag calisthenics exercise.

Alexis Ren's ab workout on Youtube has 55 million views, but is it legit? Here's what happened when I did it every day for 3 ...

The L-sit is a demonstration of pure evil sent in the guise of an ab exercise. It builds core strength and tests your hips ...

This week: butterfly crunches. A great example is the butterfly crunches, which turn the ab-burning dial up on the traditional exercise to keep challenging you and your core. You’re now ...

Bored of planks and crunches? Why not try mixing things up with a killer ab exercise that targets most of the muscles in your mid-section? The zombie sit-up isn’t for the faint of heart; to find ...