Question

1. Alpha-gamma coactivation
A. is critical for preventing contraction of an antagonist muscle when the other muscle is contracting during voluntary
movement
B. is critical for maintaining the appropriate tension on the spindle organ during contraction of extrafusal fibers.
C. is the process by which Ca2+ is released from the sarcolemma when nicotinic acetylcholine receptors are activated
at the neuromuscular junction
none of the above

Answer 1

The correct option is B.

Alpha gamma coactivation is critical for maintaining the appropriate tension on the spindle organ during contraction of extrafusal fiber.

Alpha‐gamma coactivation is a process that the muscle use to keep or maintains it's length. It works in a way that when the muscle contracts or relaxes , the sensory neuron send the information to the central nervous system about what happen to the muscle. This lead the intrafusal and extrafusal fibers to contract.

Alpha-gamma coactivation enhance the muscle spindles ensure its sensitivity to stretch the muscle lengths.

Therefore, Alpha gamma coactivation is critical for maintaining the appropriate tension on the spindle organ during contraction of extrafusal fiber.

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https://brainly.com/question/9011834