CSCS Daily Practice Question #92
When a muscle is suddenly stretched, how does the muscle spindle reflex contribute to stability?
A. The spindle signals the cerebellum to reduce motor neuron activity to the muscle
B. The spindle's sensory neuron activates motor neurons, causing immediate contraction of the same muscle
C. The spindle's activation causes the muscle to relax completely
Answer in the poll, then explain your rationale below in the comments! I'll follow up with my breakdown of the question after enough people have responded.
From Chapter 1: Structure and Function of Body Systems
DCO Code: 1.B2
NOTE: Image is for illustration purposes, not needed to answer the question.
A. The spindle signals the cerebellum to reduce motor neuron activity to the muscle
B. The spindle's sensory neuron activates motor neurons, causing immediate contraction of the same muscle
C. The spindle's activation causes the muscle to relax completely
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CSCS Daily Practice Question #92
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