Two skeletal muscles A and B contain 1000 and 200 individual muscle fibers respectively. Muscle A has 10 motor units each consisting of one motor neuron and 100 muscle fibers. Muscle B has 20 motor units and each consisting of 10 muscle fibers and one motor neuron. Which muscle can produce a wider range of forces?

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Muscle Action

A change in the body or a bodily organ as a result of its functioning is referred to as an action. Muscle action can be defined as the specific movement of a bodily part generated by the contraction of a muscle. The muscle proteins actin and myosin are the important contractile proteins involved in muscle action. Muscle contraction, in addition to movement, serves several other important functions in the body, including posture, heat generation, and joint stability. Muscle contraction maintains posture, which includes standing and sitting.