One of the most important arm muscles is the triceps brachii (the triceps, for short). You use your triceps to extend your arm. It opposes the biceps muscle, which is used to flex the arm. You also ...

When it comes to adding size to our arms, most people turn their attention to the biceps. Busting out endless curls may feel great and leave you with an impressive pump, but what you should be ...

Personal trainer Chrissy Signore ranked 5 arm exercises based on how effectively they build strength. She said that some arm exercises are less efficient and more prone to injury. Bicep curls are one ...