My glutes are still on fire.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." The benefits of stair climbing aren't just about fitness; they're key to maintaining autonomy and warding ...

Sometimes in life, you really can't beat the old stuff. Old friends, old tunes, old movies - we love them all. And when it comes to working out, it seems we're partial to going retro too: indoor step ...