You don't have to do anything crazy to get toned arms. Here, Hilaria Baldwin explains how to do push ups, and spoiler: you can modify the full-form variety. Proper form is vital for getting the most ...

Great push-up form starts with a rigid plank. Your arms should be fully extended, with your hands, elbows, and shoulders all in line, and your feet should be no more than 12 inches apart--the closer ...