A skinny, 22 year-old male visits the local medical clinic complaining of severe cramping in his calves, thighs, buttocks, back, and shoulders, as well as increased fatigue. He tells you that for the last 3 weeks he has been trying very hard to get into shape. He is doing a new, intense weight-training program for at least an hour most days, and running treadmill for 45 minutes four days per week. He says that despite his intense workout regimen he seems to be losing, not gaining, muscle mass...
-
-
background
-
-
anatomy of a muscle
-
-
muscle fiber (cell)
-
-
-
myofibril
densely packed, rodlike elements
-
-
-
-
-
-