The function of intrafusal muscle fibers is to
A) detect changes in the muscle fiber length.
B) stimulate the muscle to contract.
C) limit the degree of contraction of the muscle.
D) coordinate the contraction of extensor and flexor muscles.
E) detect how hard the muscle is pulling.
Correct Answer:
Verified
Q2: The number of muscle fibers served by
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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