The triceps — the forgotten halves of the upper arms. You might hear “welcome to the gun show” after a bicep pump, but rarely do you hear a clever quip about the triceps. Nevertheless, they’re ...

Triceps are the muscles on the back of your upper limb behind your biceps. They contract every time you bring your hands down. The following exercise is a great way to strengthen and bulk up your ...

Building serious arm size takes more than pressing on repeat. To fill out a sleeve and add lockout strength, put the triceps extension in regular rotation. This classic elbow‑extension move is one of ...

If you tend to walk right past the cable machine at the gym, listen up. While you can always work your triceps with a set of dumbbells, the cable machine is an excellent way to isolate your arms and ...

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 ...

They might feel good when you’re repping them out, but crushing curl after curl after curl just isn’t enough if you’re serious about building sleeve-busting arms. Sorry to be the bearer of bad news, ...

YOU CAN'T BUILD big arms with a narrow focus on just one type of movement. To be more specific, you'll need more than just dumbbell curls to sculpt the type of fully-formed, 3D muscles you're aiming ...

Cable machines are one of the best and most versatile pieces of equipment in any gym. With a simple adjustment in pulley height, handle attachment, or weight, you can train multiple movement patterns ...

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