Review Note
Last Update: 11/04/2023 04:49 PM
Current Deck: PHYL 2041 (Exam 2)
Published
Fields:
Front
How are y motor neurons involved in the muscle spindle reflex?
Back
- If y motor neurons are absent, α motor neurons will contract extrafusal fibers, but the intrafusal fibers will not
- Will unload the tension across the muscle spindle, leading to afferent fibers not firing
- If y and α motor neurons coactivate, both extrafusal and intrafusal fibers will contract
- Afferent fiber maintains its spontaneous activity?
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