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 part of the anatomy of the arm.

Cubital Tunnel An Overview Sciencedirect Topics

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.

Cubital tunnel anatomy. The ulnar nerve figure 1 runs in a groove on the inner side of the elbow. 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 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.

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. Cubital tunnel syndrome is the second most common peripheral nerve compression seen by hand surgeons. The cubital tunnel is a space of the dorsal medial elbow which allows passage of the ulnar nerve around the elbow.

Gross anatomy boundaries roof cubital tunnel retinaculum also known as ligament or band of osborne extends from the olec. It is a tunnel surrounded by ligament muscle and bone through which the unlar nerve passes at the elbow. The cubital tunnel is a space through which the ulnar nerve passes posterior to the medial epicondyle of the humerus.

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 Syndrome And Carpal Tunnel Syndrome Current