If only α motor neurons were activated during a voluntary movement, the muscle spindle would be unable to transmit information to correct the rate of the movement because the

Question

Quizplus · Accepted Answer

When only α motor neurons are activated, extrafusal fibers contract, but intrafusal fibers become slack, preventing the muscle spindle from detecting changes in muscle length and transmitting information to adjust the movement.

If Only α Motor Neurons Were Activated During a Voluntary