Add Yahoo as a preferred source to see more of our stories on Google. Think doing the best bicep exercises is enough to get you jacked arms like The Rock? You're mistaken. Yes, the biceps may give ...

Pull-ups, rows, presses and dips also train the arms. Combining compound and isolation exercises can create a more effective ...

The triceps brachii is a three-headed muscle that plays a critical role in elbow extension, pressing strength, and upper arm development. Its long, lateral, and medial heads each contribute ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Arm day can be one of ...

The Bicep Curl exercise is a common addition to workouts, most notably due to its firming and strengthening abilities for the front of the upper arms. The triceps, a three-headed muscle located on the ...

The triceps extension targets all three heads for sleeve-filling size and lockout strength without taxing your shoulders or chest. It’s not just bro‑lore either. In a 12‑week study on trained adults, ...

Take a wide stance with your feet and place one hand behind your back. Shift your weight over your working arm and brace your ...

The triceps brachii is a three-headed muscle on the back of your upper arm. It works to straighten your arm and assist in activities involving pushing and pressing. These effective triceps exercises ...

Begin standing tall with your feet in a wide stance—one forward and one back. Turn your back foot out, roughly 90 degrees.

The triceps are a smaller muscle group compared to others, but they're important nonetheless. They are the only muscles on the back of the upper arm; they are fully responsible for elbow extension and ...