Motor pool
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For a pool or group of motor vehicles, see fleet vehicle.
In neuroscience, a motor pool refers to a group of motor spinal neurons that innervate the same muscle. The biological significance of motor pool organization is in the fact that motor pools with many neurons produce finer movements. For example, the motor unit of muscles in the torso will control more muscle fibers and so cannot discriminate and selectively contract one particular fiber over another. In fingers, the muscles will have a higher proportion of neurons innervating similar muscles, thus allowing for more precise movements.
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