Conscious initiation of muscle contraction is controlled by
A) the spinal cord
B) the brain stem
C) the cerebral cortex
D) the thalamus
E) none of the above
Correct Answer:
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Q63: Fast-glycolytic (type IIx) muscle fibers
A)have high myosin-ATPase
Q64: Which of the following does not directly
Q65: During aerobic exercise, the primary means for
Q66: Muscular fatigue can be caused by
A)lactic acid
Q67: Fast-oxidative (type IIa) fibers
A)contain very few mitochondria
B)can
Q69: When a muscle atrophies, its muscle fibers
A)split
Q70: If the load on a muscle is
Q71: With the type of lever system exemplified
Q72: Select the correct statement about the summation
Q73: Which statement below is characteristic of most
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