"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Achieving strong, defined arms or legs is about more than just lifting weights. A ton goes into growing ...

Here’s how far you can get without picking up any weights.

Add Yahoo as a preferred source to see more of our stories on Google. More and more women are heading to the gym. Though not to lose weight, but to gain some serious muscle. Which is why having the ...

Once you've found a strength-training routine that works for you and you've committed to doing it two to three times a week, you'll be eager to see results — so when do the noticeably chiseled arms ...