Add Yahoo as a preferred source to see more of our stories on Google. Man doing tricep pushdowns. We have more triceps than biceps (they actually make up two thirds of your overall arm). So, if you’re ...

Firming your upper arms requires building lean muscle in your triceps and biceps. Many gym-goers turn to machines for their ...

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 ...

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 ...

At A Glance Effective arm training should target both the biceps and triceps with a mix of single-joint and compound ...

In a new video on the Athlean-X channel, trainer Jeff Cavaliere C.S.C.S. shares one of his go-to exercises for training triceps—the pushdown—and explains why he favors the underhand grip when he ...

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 ...