Think doing the best bicep exercises is enough to get you jacked arms like The Rock? You’re mistaken. Yes, the biceps may give your arms that nice rounded ‘peak’ in the front of your t-shirt, but it's ...

If you engage in any sort of athletic endeavor, you know that any stretching you do tends to emphasize the lower body, if you even stretch at all. It makes sense: Your hamstrings, quads, and calves ...

The primary benefit of the French press is building triceps strength and muscle. ‘How much strength or growth you get depends on load, intensity and how close you train to fatigue, but that’s the main ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

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 ...

Since you don't see them when you glance in the mirror, it's easy to forget about the back of your arms. But you need to work your triceps to tone that area. Running from your shoulder to your elbow, ...

The triceps brachii is a three-headed muscle that plays a critical role in elbow extension, pressing strength, and upper arm development. Its long, lateral, and medial heads each contribute ...

After sitting most of the day at a desk, where I may or may not have the best posture, my chest and upper back are tight and achy. Maybe you can relate? Luckily, that's where upper-body stretches come ...