Add Yahoo as a preferred source to see more of our stories on Google. For some gym bros, every day is arm day. These guys spend ungodly amounts of time creating and tweaking (then re-creating and ...

The Best—and Worst—Exercises for Tricep Gains, According to a Trainer originally appeared on Men's Fitness. The triceps brachii is a three-headed muscle that plays a critical role in elbow extension, ...

Dr. Shields is a physical therapist with a background in English Literature and a passion for healthcare and education. She hopes to combine her clinical expertise with her love of writing, establish ...

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 ...

Your triceps are tiny muscles that are responsible for a major movement. While your biceps help your elbow bend, your triceps, those horseshoe-shaped muscles towards the top of your arm, help your ...

While having toned biceps is certainly a flex—literally—that’s not the only muscle you should work on arm day. To build all-around upper-body strength (oh, and gain even more muscle definition in your ...

The triceps kickback goes under the radar when it comes to the usual tricep exercises done on push day. The favourites for that muscle seem to be locked in a constant loop of tricep pushdowns, ...

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 ...