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13 years ago
Skeletal muscle can produce tetanic contraction. What is the function of this type of contraction? Can cardiac muscle produce tetanic contraction? What would be the advantage or disadvantage of this type of contraction to the function of the heart?
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13 years ago
Tetanic contraction is a sustained muscle contraction without relaxation. It allows a muscle to maintain a steady force, as when holding or moving a load, or maintaining a particular body position. Cardiac muscle does not produce tetanic contraction. For the heart to function as a pump, it must relax after each contraction to fill with blood, which it will then pump during its next contraction.
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