Neurosurgical Associates of Central Jersey
Ulnar Neuropathy

Ulnar neuropathy is a disorder involving the ulnar nerve, which transmits impulses to the muscles in the hand and forearm and is responsible for the sensation of touch from the elbow to the fourth and fifth digits of the hand.

It develops from the inflammation, compression or entrapment of the ulnar nerve and frequently manifests in the elbow and the wrist. The condition is caused by a variety of factors, including blunt trauma, cysts, and illnesses such as rheumatoid arthritis, diabetes and hemophilia.

Symptoms can appear and progress slowly, often leading to a diagnosis in middle or older age. Men have a greater tendency toward ulnar neuropathy, as do individuals who operate computers for long periods and lean on their elbows for extended stretches (like receptionists and phone operators). Among the risk factors are alcoholism, HIV and a family history of diabetes.

  • Motor loss or weakness
  • Numbness, tingling or burning in the fourth and fifth digits
  • Pain in the elbow or forearm
  • Inability to spread one’s fingers or grip
  • Clawed shape by the hand

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