Hold a dumbbell or kettlebell at shoulder height. Brace your core and press the weight overhead. Lower it slowly back to the ...

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 ...

It just takes one big trip to the grocery store to realize how important arm strength is. And even if you regularly work out your arms, you might be missing one crucial muscle. We often spend plenty ...