This movement 'work(s) almost every muscle in the body,' says Faris Khan, C.S.C.S. From your hamstrings to your core and even your forearms, 'pretty much everything is working.' Since you're working ...

You don’t need to plan out a complicated session with a load of exercises to target each and every muscle, just grab a dumbbell and do five compound moves to train the whole body and get your heart ...