http://TheBestWayToExercise.com with Doug Jones, BS, MS, CSCS Exercise Physiologist, Certified Strength & Conditioning Specialist Your body responds to training during rest. Training breaks your body apart − rest allows your body to mend itself back together: stronger, faster, smarter, leaner, and, don’t forget, better and better. It is imperative that you do not work your muscles repeatedly without giving them the chance to catch their breath, especially with an exercise as powerful as Eccentrics. At the very most, you should work a muscle group no more frequently than every few days − once a week is so much better. For more information, please visit: http://www.TheBestWayToExercise.com