Problem:
Question 1: What are the metabolic differences between "Slow-Oxidative" (of marathoners) and "Fast Glycolytic" skeletal muscle fibers( of sprinters)? In terms of contraction speed, myosin activity, respiration pathways, other of recruitment, and rate of fatigue
Question 2: Define a "motor unit" and descibe the different "innervation to muscle fibers" required for "fine control" and "heavy load" muscle use.
Please Explain don't just write the answer.