All of the following are true regarding motor units except
A) Muscles in the fingers have a small number of muscle fibers per motor unit.
B) If needed, additional motor units can be recruited to accomplish a movement.
C) A muscle can produce more force if more motor units are recruited.
D) A single motor unit only innervates muscle fibers in a small area of a muscle.
Correct Answer:
Verified
Q52: Acetylcholine
A) binds to the myosin head, enabling
Q53: The sleeve-like tubular network within skeletal muscle
Q54: Sarcoplasmic reticulum lies
A) between fibers but in
Q55: All of the following are true regarding
Q56: Eccentric contraction
A) generates force as the muscle
Q58: In striated muscle cells, which of these
Q59: The ability of the sarcolemma of muscle
Q60: A motor unit includes
A) a motor neuron
Q61: Of the various types of skeletal muscle
Q62: With intense resistance training,
A) fast glycolytic fibers
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