5 Steps To Stronger, Leaner Arms

This time of year, our arms are hidden under sweaters, blazers and any number of layers. But soon enough, it'll be time uncover your limbs -- and if you put in a little work now, they'll look amazing come spring. The key to stronger arms: the tricep muscle, the one on the bottom side of your arm that (cringe) jiggles a bit when it's been too long since your last sweat sesh.