2. Which two structures provide primary information to the spinal circuit of reflex?
A. (A) muscle fibers and sensory neuron
B. (B) muscle spindle and Golgi tendon organ
C. (C) muscle spindle and muscle fibers
D. (D) Golgi tendon organ and motor neurons
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1. Which is responsible for detecting the changes in muscle length and speed?
A. (A) motor neurons
B. (B) muscle fibers
C. (C) muscle spindle
D. (D) primary sensory cortex
3. Where is the strain energy that allows the muscle to perform more positive work stored?
A. (A) knee
B. (B) bone
C. (C) tendon
D. (D) all of above
2. What happens when the muscle torque is less than the load torque?
A. (A) the muscle lengthens
B. (B) the muscle shortens
C. (C) no reaction
D. (D) first lengthens then shortens
1. What does the muscle torque overcome when a movement starts or stops?
A. (A) reacting force
B. (B) gravity
C. (C) inertia
D. (D) all of above
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