Question
If a muscle is stimulated at a frequency that is higher than normal, it contracts ________.a. with more tensionb. fasterc. with less tensiond. slower
Step 1
When a muscle is stimulated, it contracts. This contraction is caused by the release of calcium ions in the muscle cells. Show more…
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Which of the following best describes what happens to the force of the skeletal muscle contraction when stimulation frequency is increased? a. As stimulation frequency increases, the force of muscle contraction remains constant because action potentials are all-or-none. b. As stimulation frequency increases, the force of muscle contraction increases in a linear fashion, because the intensity of a signal is communicated via action potential frequency. c. As stimulation frequency increases, the force of muscle contraction levels off at the height of an individual muscle twitch, because the muscle is not able to relax between stimuli. d. As stimulation frequency increases, the peak tension becomes larger than the force of an individual muscle twitch because twitch peaks become additive as they start to overlap.
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