A certified trainer shares an 8-minute routine targeting arm flab after 55 — no weights needed to tighten and firm bat wings fast.

Get ready for the ultimate pump.

Getting older? Your workouts might change, but your fitness doesn't have to suffer.

Muscle growth requires patience. Experts break down exactly how long it will take you to see visible muscle definition and what habits you need to achieve it.

Plus, the best exercises to get you started.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." FROM THE MOMENT that many guys pick up a weight for the first time, their primary goal is to build our ...

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