Want firmer arms after 45? Try this 6-minute bodyweight routine from a certified coach.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." BUILDING BIG ARMS is about more than just one move—and more than one muscle. The dumbbell biceps curl is ...

Working on your upper body strength doesn’t have to start and end with a swanky gym membership or rows (upon rows) of weights. In fact, the best 10-minute arm workouts, which can be done at home (or ...