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, ...

Ask someone in the gym to point to their trapezius muscles, and they’ll probably gesture toward the small mounds nestled between their neck and shoulders—but that’s really just the tip of the iceberg.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." MOST GUYS GO about their business in the gym with one of two goals: They either want to build strength or ...