The Hell-On-Earth Fitness Plan

There's an ominous buzz coming from Salt Lake City's Gym Jones, where owner and climber Mark Twight has created a torturous strength-and-conditioning program. We sent Lab Rat NICK HEIL in to...

Is it OK to work out when I'm sore?

If I'm still sore from a workout two days later, is it ok to work that muscle group again, or should I wait until the soreness has subsided?