Which of the following events occurs during the latent period of a twitch contraction in a skeletal muscle?
A)An action potential spreads down a motor neuron.
B)The muscle action potential spreads over the sarcolemma.
C)Myosin filaments pull on neighboring actin filaments.
D)Calcium ions are pumped back into the sarcoplasmic reticulum.
E)The troponin/tropomyosin complex moves to block the myosin-binding site on actin.

Question

Quizplus · Accepted Answer

During the latent period of a twitch contraction in skeletal muscle, the muscle action potential spreads over the sarcolemma, initiating processes that lead to muscle contraction without actual muscle shortening occurring yet.

Which of the Following Events Occurs During the Latent Period