Others leapfrog boundaries and work muscles in the upper body and lower body ... Stop when the dumbbell reaches the side of your chest. Lower the weight. Switch sides, and repeat. This full-body ...

RELATED: These Men Swear By the '5-3-1' Workout Method for Bigger Muscles: 'I Love This Program' An upper-body workout focuses on building mass and definition in your chest, back, shoulders, and arms, ...

Denise Austin, 67, demonstrated two “low-impact” workout moves targeting the arms and back. She says these exercises are some ...