If you’ve ever pushed yourself during a workout or sports event, you will be familiar with the sharp fatigue or “burn” you experience during the event or the deep, achy soreness you feel a day or two later. Although both feel like “muscle pain” they are the result of two completely different processes. Most people believe that the soreness and stiffness experienced the following day is due to a build-up of lactic acid. However, this lingering stiffness is the result of micros