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The primary motor cortex, located in the precentral gyrus, controls most voluntary muscle activity in the body. That said, there are many other parts of the brain involved in muscular coordination. The stimulus originates in the precentral gyrus, but the cerebellum also adds input to make movement smooth and to coordinate body position, the spinal cord and basic reflex are involved in telling the brain how much stretch is placed on the muscle, so as not to tear the muscle or cause injury, etc.

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10y ago

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In the brain, a part known as cerebral motor cortex controls the muscle movements.

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14y ago
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The motor cortex.

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13y ago
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the cerebellum

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13y ago
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cerebellum

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15y ago
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Q: What part of the brain coordinates muscle activity?
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