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Home Q & A Board Biology-Related Homework Help Anatomy and Physiology
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hafranklin20 hafranklin20
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10 years ago
Muscles do not shorten even though they are actively contracting during a/an _______ contraction.
A. Isotonic
B. Isometric
C. Tetanic
D. Treppe
Source  PHYSIO EX 9.0
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#1
10 years ago
Answer: Isometric

During an isometric contraction, a muscle attempts to contract, but it is met with a resistance of equal force in the opposite direction, therefore, it cannot shorten.

Think of using your arms to push with all your might against a wall; the wall exerts an equal and opposite resistance so your muscle does not extend or flex, despite the fact that your triceps are attempting to contract.
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