Peripheral nerves transmit signals between the brain and the muscles and skin of the shoulder, arm, elbow, wrist, and hand. Compression, injury, repetitive motion, trauma, or underlying medical conditions can disrupt these signals and produce symptoms ranging from mild tingling to significant weakness and muscle loss. Common nerve disorders include carpal tunnel syndrome, cubital tunnel syndrome, radial tunnel syndrome, Guyon’s canal syndrome, brachial plexus injuries, and thoracic outlet syndrome.

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Many patients notice symptoms that worsen gradually over time, particularly during repetitive activities or while sleeping. Persistent numbness, burning pain, weakness, or muscle wasting should never be ignored, as prolonged nerve compression can sometimes lead to permanent damage.

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Treatment depends on the specific nerve involved and the severity of compression or injury. Conservative options often include activity modification, splinting, medications, therapy, and injections. When symptoms persist or nerve function is threatened, surgical decompression or reconstruction may provide the best opportunity for recovery.