I love movement - I run marathons!-but I’m also the kind of person who will find a thousand excuses to skip a regular studio class. If it’s not easy to slot into my day, or I'm not dedicated to a ...

Sign us up.

Add Yahoo as a preferred source to see more of our stories on Google. "Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." PLANNING A SMART workouttakes more ...