Trainer-approved moves to build biceps and triceps, plus fat-loss tips to help reduce arm jiggle faster after 45.

A variety of chemical and biological nonlinear excitable media, including heart tissue, can support stable, self-organized waves of activity in a form of rotating single-arm spirals. In particular, ...

A simple movement, a bar or cable machine, and a powerful impact on strength, definition, and forearm stability.

Hold a pair of dumbbells in a neutral grip with palms facing in. Curl up toward your chest. With a bent elbow, grab the ...