But even if you have more functional goals in mind beyond your looks, you'll still be better off if you include arm-focused ...

Build strong core muscles without weights, just using these three crunch variations from a functional training coach.

Over 50? Stay strong and flexible with these 10 essential core moves! Master Instructor Carissa Fernandez shares her top ...

Hold a hammer or stick vertically in one hand with your elbow at a 90-degree angle by your side. Rotate your forearm to bring ...