The number of muscle fibers served by a single axon varies considerably. In muscles that move the fingers, the ratio is small, whereas in muscles that move the legs, the ratio is large. This difference in ratio depends upon the ______________ needed to move the muscle.
A) precision
B) strength
C) flexibility
D) speed
E) agility
Correct Answer:
Verified
Q1: The function of intrafusal muscle fibers is
Q3: Motor unit size can vary in the
Q4: The firing rate of the _ determines
Q5: Alpha motor neurons send information to
A) intrafusal
Q6: Flexion refers to
A) detection in the changes
Q7: The _ is formed by the synapse
Q8: The presence of dark stripes in skeletal
Q9: Bodybuilders show off their muscles by
A) activating
Q10: A motor unit size of one axon
Q11: Moving a limb to the body is
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