The corticospinal system
A) consists of fibers originating in the primary motor cortex and terminating on motor neurons
B) involves the motor regions of the cortex, cerebellum, basal nuclei, and thalamus
C) is primarily concerned with regulation of body posture
D) has characteristics a and b
E) has characteristics b and c
Correct Answer:
Verified
Q56: Which of the following is involved in
Q57: Muscle tension
A)is created when tension generated by
Q58: During an isotonic contraction,
A)sarcomeres do not shorten
Q59: During an isometric contraction, the muscle
A)maintains a
Q60: The origin of a muscle is its
A)main,
Q62: Energy sources available to form ATP in
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
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