If you’ve ever felt the burn of an exercise or had the “pump” in the
gym, then you’ve felt the effects of metabolic stress. Scientists used
to question bodybuilders when they said the “pump” caused their muscles
to become larger. After more investigation, it seems as though they were
onto something. BioMuscle XR
So now that you know the three main mechanisms of muscle growth, the next question is: how do hormones affect muscle growth? http://rockhardfacts.com/biomuscle-xr/
