A certified trainer shares 5 standing exercises after 60 that rebuild arm muscle and address sagging skin, no light weights.

Chair exercises for muscle mass after 65 need only a sturdy chair and dumbbells. A certified trainer shares 6 moves.

QUICK, STAND UP and reach your arm overhead. Does your back arch as you do this? Does your chest puff out like a cartoon ...

Bigger muscles have long been associated with strength, confidence and vitality. Visually, they create a powerful silhouette that signals athleticism and capability, which is one reason muscle ...

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. Your shoulders are an ...

A high pull, rotation and overhead press rolled into one flowing rep ...

Fun fact: The shoulder joint is the most flexible joint in the body because of its ball-and-socket structure, which allows for a wide range of movements. Shoulder mobility exercises and stretches can ...

Shoulder pain can significantly interfere with your exercise activities, but you can still safely perform an upper-body workout with a shoulder injury. The rotator cuff is a group of four muscles — ...

Minimal shoulder discomfort, maximum gains ...