THERE'S MORE TO acquiring an aesthetically complete physique than just lifting heavy weight and bombarding your chest with bench press reps. This is especially true when it comes to developing muscle ...

The Best and Worst Chest Exercises, According to a Trainer originally appeared on Men's Fitness. Chest day is sacred. But if you’re just benching and hoping for the best, you’re leaving serious gains ...

TRAINING FOR YOUR target physique will always be more complicated than just hoisting some weights, flexing in the mirror, and praying for muscle growth. You'll need to follow a smart plan—and then, ...

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 ...

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 ...

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 ...

Located on the back of the upper arm, the triceps muscles are the powering forces behind the kind of dynamic arms swing that aid in getting you up hills, past “the wall,” and across finish lines.