Good things always come in threes: fairy godmothers, parts of a combo meal, boy bands made of brothers (Hi Jonas and Hansen!). So its no surprise the most eye-popping muscle in your arms is, in fact, ...

It’s time to add suspension training to your routine. These TRX workouts will help you get the most out of the system and work a wide range of muscles. This total-body routine from Richter and Morrow ...

Tricep press, or extension, is a great way to build your arm muscles. It targets all three points of the tricep muscle as well as your shoulders, chest, lats and forearms, and core muscles. 1 ADJUST ...

Welcome to the "TRX full-body circuit party!" This badass gym workout was brought to you by Michelle Opperman, regional group fitness director for Crunch Gyms in San Francisco. PS, There’s More PS, ...

Isolated Triceps Extension When you work your triceps, you might forget there are three parts to the muscle: the lateral head, the medial head, and the long head. The last part might not always get ...