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When you want to reach for something, pick something up, walk, or move any part of your body, the message to move, grasp, move your leg/arm, etc begins in your brain and the message [which is an electrical pulse] travels through your brain by several pathways, travels down the spinal nerves and into the extremity and the muscles targeted perform the necessary movements. Just about everything in the body is run or stimulated by electrical messages from the brain...

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17y ago

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