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, ...

Spot training can be really helpful when it comes to certain muscle groups, like your triceps for instance. Triceps tend to be one of those spots that no matter how hard you go on arm day, you just ...