Have you been spending hours in the gym trying to get that horseshoe shape in your triceps? To do it, you need to focus on all three heads: the lateral head, medial head, and long head. Noam Tamir, ...

Skull crushers is an intriguing name for an exercise, but don’t let that put you off. This is a killer move for swelling your triceps, which are the muscles on the back of your arms with three ...

We asked fitness expert and certified personal trainer, Rachel Pieroni, to share her top tips on how to use strength training ...

To build arm size, strength, and muscle, you need to lift heavy and you need to lift hard. But the underrated key in the arm-muscle-building equation is one more idea, too: Time-under-tension. Your ...

WHEN YOU DO a heavyweight bench press—arguably the premier upper body-building exercise for lifters of all stripes—there are two muscles working in tandem to power the bar up to the top of each rep: ...