01/26/2015 01:01 pm ET

5 Steps To Stronger, Leaner Arms

jomoba via Getty Images

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.

Read more on Refinery29