Hard Bodies Need Hard Workouts, So Go Ahead And Stretch Yourself In The Gym

“Who's getting a better workout in a step class: the gym junkie who knows the moves and fluidly mirrors the instructor, or the klutz who's frantically jumping all over the place in a desperate attempt to keep up? If you said the klutz, you are right. And we have a winning strategy for the gym: Don't be afraid to be bad. People have a tendency to gravitate toward what they know. But while any exercise is beneficial, repeating a routine won't get you very far. ‘You don't want to do the exact same thing over and over again. There's a huge advantage if you get a different type of challenge,’ says Jeremy Rucker...

http://www.washingtonpost.com/wp-dyn/content/article/2010/07/14/AR2010071402359.html