Power Testo Blast The process of building muscle is in fact quite easy and is a rightly trodden neighborhood. Muscles grow in response to being placed under extreme stress by going up heavy pounds. By picking up heavy weights small tears can be purchased in the muscle fibers The body then sets about rebuilding these cry. The body builds stronger muscle fibers just for anybody who is crazy enough to try picking up those household names again. Is actually why all in the bodies defense mechanism. It thinks is definitely under attack so it builds stronger muscles in an attempt to survive.