The radial nerve is an important nerve that runs along the upper arm, from the shoulder to the elbow. It is responsible for controlling the movements of the triceps muscle, as well as the muscles that help extend the wrist and fingers. An injury to the radial nerve at the upper arm level can lead to a range of symptoms, including weakness, numbness, and pain in the affected arm.
If you suspect that you may have a radial nerve injury, it is important to seek medical attention as soon as possible. With proper treatment and care, most people are able to recover from this type of injury and regain full function of their arm.
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