What type of muscular activity is present in a muscle at rest?
A) There is some activity that causes the muscle to make continual tiny movements.
B) There is no activity.
C) There are large amounts of short contraction.
D) Motor units activate in a random pattern to cause slight constant tension, known as
muscle tone.
E) Motor units activate partially in a unified wavelike motion.
D) Motor units activate in a random pattern to cause slight constant tension, known as
muscle tone.
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