Bulky sweaters might be replacing tank tops in the seasonal wardrobe change, but that doesn't mean you can start neglecting your upper arms. Keep strength-training those triceps! Here are three of our favorite moves designed to shape and sculpt the upper arm. Two are body-weight exercises, meaning you need no equipment to give your arms a good workout. The third move just requires an exercise band. Watch this video to learn the exercises, and get ready for some serious toning.