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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, ...

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 you want bigger, stronger arms, focusing only on biceps won’t get you there. The triceps make up the majority of your upper-arm mass, and building them effectively requires targeted isolation work.

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 ...

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 ...

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 ...