Therefore let's use this technique in building muscles to initiate progress. Let's get a good example of a six- . Your body can stand so much 'offense', or high intensity, out of your workouts. Throughout the first two-weeks of high-strength training your body sets its defenses to compensate for your wrongdoing. By gaining muscle mass, in months three to five the human body adapts to the crime. At about week six you hit on a level, or the wall. Overtraining and exhaustion emerge as cortisol levels slip up and fight your Testosterone Booster amounts.