Which of the following statements concerning types of muscle contractions is false?
A. In isotonic contractions, the amount of tension produced by the muscle fibers is constant during the contraction.
B. The contractile processes in isometric and isotonic contractions are the same.
C. In isometric contractions, the amount of tension produced by the muscle is constant.
D. Most skeletal muscle contractions are a combination of isometric and isotonic contractions.
E. In isotonic contractions, the muscle fibers shorten.
Answer: C
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