In the later stages, the numbness is constant and the hand becomes weak. Sleeping with the elbow habitually bent can also aggravate the symptoms. Some patients may also notice some weakness of pinch grip with their thumb. Often the symptoms can be provoked by repetitive elbow bending and straightening, by leaning on the elbow or holding the elbow in a bent position (for example, on the telephone). It is frequently intermittent, but may later become constant in nature. Pain, numbness and/or tingling of the little and ring fingers are usually the earliest symptom. What are the symptoms of Cubital Tunnel Syndrome? It enables feeling/sensation to the skin of the little finger and half of the adjacent ring finger, power to some of the muscles that bend the little and ring fingers and to some of the small muscles in the hand and thumb.ĭiagram 2: Area of Where Altered Sensation Can Occur in Cubital Tunnel Syndrome The ulnar nerve is one of three important nerves for hand function. Cubital Tunnel Syndrome is compression or irritation of the ulnar nerve within a tunnel on the inside of the elbow behind a bone called the medial epicondyle (where your ‘funny bone’ is).ĭiagram 1: Picture of Where the Ulnar Nerve Can be Compressed
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