You do your time on the treadmill, hoist some weights, and maybe even throw in yoga for good measure. But your regimen probably lacks one key element: power. Besides torching extra stored fat and quickly sculpting your muscles, power moves give you a mental edge -- in and out of the gym. So we tapped six of the top trainers in the biz for their surefire tips for squeezing that extra octane from your muscles and workouts. They will change the way you train forever.
On April 12, 2013