Ulnar Nerve & Numb Hands/Fingers

The ulnar nerve is a nerve that runs near the ulna bone. The ulnar nerve is directly connected to the little finger, and the adjacent half of the ring finger, innervating the palmar aspect of these fingers. It should be noticed that injuries of ulnar nerve are common because it is the largest unprotected nerve in the human body. The injuries of ulnar nerve may lead to numb hands or fingers.

Hand numbness is a common situation which is usually causes by damage, irritation or nerves compression. The possible causes of hand or finger numbness include:

  • Ulnar nerve compression
  • Vitamin B-12 deficiency
  • Vasculitis (blood vessel inflammation)
  • Type 2 diabetes
  • Stroke
  • Spinal cord injury
  • Sjogren’s syndrome
  • Multiple sclerosis
  • Cervical spondylosis
  • Brachial plexus injury
  • Alcohol use disorder
* The Content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.