Which of these statements describes twitch summation

Question

Quizplus · Accepted Answer

Twitch summation results from increasing the frequency at which motor units are firing within a muscle. This leads to a buildup of tension and a stronger muscle contraction. This is also known as temporal summation. Option A is incorrect because the term used for weak muscle contraction is incomplete tetanus. Option B is incorrect because it describes spatial summation. Option C is incorrect because a high level of calcium ion is required for twitch summation to occur.

Which of These Statements Describes Twitch Summation