Your triceps make up nearly two-thirds of your upper arm, making them the key muscle group for building stronger, more ...

Training your triceps helps tone your arms, making them stronger and more defined. Strong triceps support your upper body ...

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 ...

Strong triceps support everyday movements and can improve arm definition. Try exercises like bench dips, one-arm overhead ...

Add Yahoo as a preferred source to see more of our stories on Google. “If you have time to do four or five, six triceps exercises, sure, we'll work some kickbacks in,” Samuel says. “But if you have ...

Many daily activities-steering a car, typing on a keyboard, chopping vegetables for dinner, even hugging someone you love-are forward- reaching movements. Even in yoga practice, you're often ...

Your triceps are an important muscle in the back of your arms. They help you extend your arms, provide strength for pushing, and help keep an overall balance in your upper body. ‌ Tendons connect your ...

You don’t need heavy weights to strengthen and define your arms. These moves are proof. Strengthen triceps by targeting all three heads with bodyweight exercises. No equipment needed; exercises also ...

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, ...

Don’t let a packed schedule stop your progress.

Pain in the triceps most often occurs due to triceps tendonitis. Other possible causes include triceps tears and snapping triceps syndrome. Treatments can depend on the cause. The triceps muscle is ...

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 ...