Deep Muscle Soreness And Body-Shock Fatigue
In my experience there are two distinct types of muscular fatigue associated with intense progressive resistance training (only intense training is sufficient to trigger muscle hypertrophy) and these two types should be recognized and understood. The first type of fatigue is direct muscle soreness and is the result of a particular exercise targeting a specific muscle. Scientists are at odds as to the exact cause of muscle soreness but most believe that it is associated with some sort of cellular micro-trauma. Direct muscle soreness is usually the type of pain and discomfort that most folks experience when they begin serious progressive resistance training program.
There are varying degrees of muscle soreness and sometime the intensity of soreness can become so severe as to be debilitating. The muscles are actually sore to the touch. I have self-induced this type of soreness to every degree on every muscle