Medicine ball slams may seem daunting. But once you get the hang of the exercise, it might become your new favorite move to ...

I recently purchased a basic 17.5lb ball and started doing medicine ball slams, which are great for cardiovascular health because they require full body engagement, speed and explosive power.

Want to strengthen your core and achieve enviable curves like J.Lo? Her trainer, David Kirsch, shares three medicine ball exercises that will transform your ab routine.