Can a skeletal muscle contract without shortening? Why or why not?
A) No,because muscles contract only when the muscle tension exceeds the load.
B) No,because muscles contract only when the muscle tension is less than the load.
C) Yes,because muscles can still contract during an isometric contraction when the muscle tension is equal to the load.
D) Yes,because muscles can still contract during an isotonic contraction when the tension is at a constant level.
E) No,because muscles can only generate tension while shortening,never during lengthening.
Correct Answer:
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