Normal levels of creatinine in the blood are approximately 0.6 to 1.2 milligrams (mg) per deciliter (dL) in adult males and 0.5 to 1.1 milligrams per deciliter in adult females. Muscular young or middle-aged adults may have more creatinine in their blood than the norm for the general population.
Types of muscle fibers. Skeletal muscle, the type that is responsible for moving our muscles when we run, is comprised of three different muscle fiber types, each with its own advantages, disadvantages, and specialty.
1 Names of major muscle groups. 2  Actions of major muscles (use textbook). 3  You need to be able to: 4  Explain the immediate and long term effects of exercise on the muscular system. 5  Describe potential injuries to the muscular system. 6  Understand how diet, rest and drugs can impact on the muscular system. Actions of major muscles (use textbook). 2  You need to be able to: 3  Explain the immediate and long term effects of exercise on the muscular system. 4  Describe potential injuries to the muscular system. 5  Understand how diet, rest and drugs can impact on the muscular system. 6  Names of major muscle groups.