Muscle Contraction

Item #3 of 10

Extrafusal muscle fibers are innervated by ________________________.

gamma motor neurons;

alpha motor neurons;

Golgi motor neurons;

spindle motor neurons;

none of the alternatives provided is correct;

CORRECT - Yes, alpha motor neurons innervate extrafusal muscle fibers.

[Review Part 1 of the tutorial] [Review Part 2 (Matching) of the tutorial]


		gamma motor neurons;
		alpha motor neurons;
		Golgi motor neurons;
		spindle motor neurons;
		none of the alternatives provided is correct;