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The Curious Bag
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The ulnar nerve runs from beneath the collar bone down the inside of the upper arm and passes through the cubital tunnel on the inside of the elbow. When this nerve becomes compressed, it can reduce function and sensation in the arm and hand and might require surgery.
Function
The ulnar nerve provides sensation to the little finger and half of the ring finger. It also controls most of the small muscles of the hand and some larger muscles in the lower arm.
Surgery
During surgery, an incision is made at the elbow and the nerve is pulled out from behind the cubital tunnel and moved in front of the elbow.
Short-Term Complications
Patients might experience temporary loss of sensation due to injury to the small nerves. The affected area usually diminishes over time, according to Dr. Michael Bermant of Bermant Plastic Surgery.
Long-Term Complications
In cases of severe nerve compression, the nerve regeneration process might be incomplete, resulting in permanent loss of sensation. Painful scarring and muscle wasting due to inactivity are also possible.
Treatment and Prevention
Physical therapy is usually required after ulnar nerve surgery and might continue up to three months. Avoid doing to much too quickly with the affected arm and follow the advice of your physical therapist.
Source
Bermant Plastic Surgery: Cubital Tunnel Syndrome
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