Add Yahoo as a preferred source to see more of our stories on Google. Forget arm day. According to Mike Israetel, it may be time to retire the classic bicep and tricep workout. His argument? There are ...

Build a serious arm pump with just a half hour of focused reps.

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 ...

If toning the back of your arms is a goal, strengthening the triceps can help eliminate that common trouble spot that jiggles when you wave and help you feel more confident. But even more important, ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." ON THE BACKSIDE of each of your upper arms is an unsung hero. With the right amount of consistent, ...

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 ...

If you've read our round-up of tricep exercises, you'll know that the tricep muscle makes up 60% of your upper arm. It's a huge proportion, and while all the exercises included in the aforementioned ...

Good news: You don't need all of the cable machines at the gym to sculpt yourself some biceps and triceps that pop! Actually, it's way easier to get an amazing arms workout at home than you think!