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Vertebrae are bones in the spine that contain the spinal cord and allow for spinal nerves to exit. ? Being bones, vertebrae do not control the arms.

The spinal nerve roots ?that come out of the vertebrae do however control many aspects of function, including: muscle movement, sensation, blood vessel tone, and your hair standing on end.

The spinal levels that control the arms are C5-T1. ?There may be a little T2 in there for sensation, and there may be a little C4 in there for shoulder muscles; but the answer is generally accepted to be C5-T1.

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15y ago

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