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Fed [463]
3 years ago
5

Define muscle contraction

Health
1 answer:
suter [353]3 years ago
6 0

Answer:

Muscle contraction is the activation of tension-generating sites within muscle fibers. In physiology, muscle contraction does not necessarily mean muscle shortening because muscle tension can be produced without changes in muscle length, such as by holding a heavy book or a dumbbell at the same position. The termination of muscle contraction is followed by muscle relaxation, which is a return of the muscle fibers to their low tension-generating state.

Explanation:

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