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Chapter: The Massage Connection ANATOMY AND PHYSIOLOGY : Muscular System

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A Summary of the Role of CNS in Muscle Function Control

The structure of the muscle, neuromuscular junction, the role of motor neuron, and motor unit has already been discussed (see Figure 4.15).

A Summary of the Role of CNS in Muscle Function Control

The structure of the muscle, neuromuscular junction, the role of motor neuron, and motor unit has already been discussed (see Figure 4.15).


Neural control mechanisms located in the central nervous system affect the motor neuron in response to stimuli from the internal and external environment. Tracts (bundles of axons) descend from the brain to af-fect spinal neurons that eventually stimulate the mus-cle fiber. Neurons from the cerebral cortex are respon-sible for discrete movements. Neurons from other areas of the brain control posture and muscle tone. Neurons from the cerebellum help coordinate move-ment. Neurons in the spinal cord and other areas of the CNS control many muscle functions, such as spinal reflexes occurring at the subconscious level.


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