Question

Intrafusal muscle fibers have an afferent innervation by and efferent innervation by .

Intrafusal muscle fibers have an afferent innervation by and efferent innervation by .

Ia sensory neurons; gamma motor neurons

alpha motor neurons; gamma motor neurons

Ib sensory neurons; alpha motor neurons

Ia sensory neurons; alpha motor neurons
GPT 3.5
Ia sensory neurons; alpha motor neurons