A motor unit is
A) A motor neuron and all of the muscle fibers it innervates
B) A single muscle fiber innervated by a single motor neuron
C) All of the m uscle fibers within a muscle fasicle
D) A single muscle fiber innervated by several motor neurons
E) A piston, spark plug, intake valve and exhaust valve
Correct Answer:
Verified
Q8: Active tension
A) Is the increment in force
Q9: If a muscle twitch is 0.2 s
Q10: Tetanic force is typically about
A) 10% greater
Q11: Maximum power in muscle is produced
A) At
Q12: The contraction that results from a single
Q13: The muscles with the greatest endurance are
Q14: Physiological recruitment of muscle fibers
A) Is random
B)
Q15: If a muscle twitch lasts 0.08 s,
Q17: “Recruitment” refers to
A) Increasing muscle force by
Q18: Skeletal m uscle is described by all
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