Cubital Tunnel Anatomy

Cubital tunnel syndrome is a condition that involves pressure or stretching of the ulnar nerve also known as the funny bone nerve which can cause numbness or tingling in the ring and small fingers pain in the forearm andor weakness in the hand. The cubital tunnel is a space of the dorsal medial elbow which allows passage of the ulnar nerve around the elbow.

Cubital Tunnel Syndrome Article Statpearls

It typically presents with paresthesias of the small and ring finger and can be treated with both nonoperative modalities such as elbow splinting.

Cubital tunnel anatomy. The ulnar nerve figure 1 runs in a groove on the inner side of the elbow. Cubital tunnel syndrome is the second most common peripheral nerve compression seen by hand surgeons. The ulnar nerve actually begins at the neck and travels down the arm through the cubital tunnel at the elbow and the carpal tunnel at the wrist.

It is bordered medially by the medial epicondyle of the humerus laterally by the olecranon process of the ulna and the tendinous arch joining the humeral and ulnar heads of the flexor carpi ulnaris. Gross anatomy boundaries roof cubital tunnel retinaculum also known as ligament or band of osborne extends from the olec. The cubital tunnel is a part of the anatomy of the arm.

A thorough understanding of the ulnar nerve anatomy and common sites of compression are required to determine the cause of the neuropathy and proper treatment. It is a tunnel surrounded by ligament muscle and bone through which the unlar nerve passes at the elbow. Cubital tunnel syndrome is a compressive neuropathy of the ulnar nerve at the elbow and is the 2nd most common compression neuropathy of the upper extremity.

The cubital tunnel is a space through which the ulnar nerve passes posterior to the medial epicondyle of the humerus.

Surgical Treatment Of Cubital Tunnel Syndrome Hand Wrist