Tricep press, or extension, is a great way to build your arm muscles. It targets all three points of the tricep muscle as well as your shoulders, chest, lats and forearms, and core muscles. 1 ADJUST ...

Good things always come in threes: fairy godmothers, parts of a combo meal, boy bands made of brothers (Hi Jonas and Hansen!). So its no surprise the most eye-popping muscle in your arms is, in fact, ...

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. Suspension trainers ...

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 ...

The lying single dumbbell crush extension is an exceptional tricep workout using just one dumbbell. This exercise effectively isolates and targets the triceps, focusing on the muscle's long head for ...