Twitch summation
A) is a means by which gradation of muscle contraction may be accomplished
B) results from the additional release of Ca2+ within the cytosol of muscle fibers
C) results from increasing the frequency at which motor units are firing within a muscle
D) is a means by which gradation of muscle contraction may be accomplished and results from increasing the frequency at which motor units are firing within a muscle
E) all of these
Correct Answer:
Verified
Q43: With eccentric muscle contractions:
A) Development of tension
Q45: Twitch summation
A) results from increases in cytosolic
Q46: Muscle tension
A) is created during muscle contraction
Q47: Based on the length-tension relationship,
A) Stretching
Q48: In a muscle fiber undergoing maximal tetanic
Q49: Which of the following is involved in
Q51: Muscles developing tension while lengthening are performing
Q51: Picking up a book at a constant
Q53: In twitch summation:
A) The muscle fiber is
Q60: The origin of a muscle is its
A)main,
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