Complete arm development requires hitting all three tricep heads. Learn why combining presses, overheads, and pushdowns yields maximum tricep growth.

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 ...

Looking for an exercise that can work several upper-body muscles at once? The “Swole Press” has gained attention as a ...

Effective arm training should target both the biceps and triceps with a mix of single-joint and compound exercises.

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 ...

ON THE BACKSIDE of each of your upper arms is an unsung hero. With the right amount of consistent, balanced strength training, you can give it the attention it deserves—and in doing so, stretch the ...

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 ...

So you’ve got yourself a gym membership or bought a set of home weights. Now what? With the sheer amount of confusing exercise advice out there, it can be hard to decide what to include in a weights ...

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. We’re going to start ...

MOST GUYS GO about their business in the gym with one of two goals: They either want to build strength or gain muscle (or just as likely, they hope to achieve a bit of both). To achieve either of ...