Crush your core muscles and build stronger muscles all over using a set of weights and these three dumbbell exercises. You don’t need a gym or anything more than an exercise mat, and the routine only ...

These are the cornerstone movements you need to begin training with these useful gym tools.

Bodybuilding champ Arnold Schwarzenegger said you can get a full body workout in 15 minutes. He recommended two compound exercises, the deadlift and the clean and press, to hit multiple muscles.