Cubital_tunnel

Cubital tunnel

Cubital tunnel

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The cubital tunnel is a space of the dorsal medial elbow which allows passage of the ulnar nerve around the elbow. 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.[1] The roof of the cubital tunnel is elastic and formed by a myofascial trilaminar retinaculum (also known as the epicondyloolecranon ligament or Osborne band).[2] In 14% of individuals, the roof of this tunnel is covered by epitrochleoanconeus muscle, a variant muscle.[3]

Schematic diagram of the medial side of the elbow showing the ulnar nerve passing through the cubital tunnel
Quick Facts

Chronic compression of the ulnar nerve in the cubital tunnel is known as cubital tunnel syndrome,[4][5] a form of repetitive strain injury akin to carpal tunnel syndrome (although the role of repetitive stress in causing carpal tunnel syndrome is controversial).[6][7]

See also

References

  1. [1]
    Moore, Keith L. (2010). Clinically Oriented Anatomy 6th Ed. Baltimore, MD: Lippincott, Williams and Wilkins. p. 770. ISBN 978-07817-7525-0.
  2. [2]
    Macchi, Veronica; Tiengo, Cesare; Porzionato, Andrea; Stecco, Carla; Sarasin, Gloria; Tubbs, Shane; Maffulli, Nicola; De Caro, Raffaele (2014-08-01). "The cubital tunnel: a radiologic and histotopographic study". Journal of Anatomy. 225 (2): 262–269. doi:10.1111/joa.12206. ISSN 1469-7580. PMC 4111932. PMID 24917209.
  3. [3]
    Suwannakhan, Athikhun; Chaiyamoon, Arada; Yammine, Kaissar; Yurasakpong, Laphatrada; Janta, Sirorat; Limpanuparb, Taweetham; Meemon, Krai (2021). "The prevalence of anconeus epitrochlearis muscle and Osborne's ligament in cubital tunnel syndrome patients and healthy individuals: An anatomical study with meta-analysis". The Surgeon: Journal of the Royal Colleges of Surgeons of Edinburgh and Ireland. 19 (6): e402–e411. doi:10.1016/j.surge.2020.12.006. ISSN 1479-666X. PMID 33551294.
  4. [4]
    Szabo RM; et al. (2007). "Natural History and Conservative Management of Cubital Tunnel Syndrome". Hand Clinics. 23 (3): 311–318. doi:10.1016/j.hcl.2007.05.002. PMID 17765583.
  5. [5]
    "Cubital Tunnel Syndrome: Cell Phone Elbow | Health News and Tips For Computer Users and Abusers". Archived from the original on 2007-07-14. Retrieved 2007-08-31.
  6. [6]
    Kao, Stephanie Y. (1 November 2003). "Carpal Tunnel Syndrome As an Occupational Disease". The Journal of the American Board of Family Practice. 16 (6): 533–542. doi:10.3122/jabfm.16.6.533. PMID 14963080. Retrieved 2008-06-15.
  7. [7]
    Werner, Robert A. (June 2006). "Evaluation of Work-Related Carpal Tunnel Syndrome". Journal of Occupational Rehabilitation. 16 (2): 201–216. doi:10.1007/s10926-006-9026-3. PMID 16705490. S2CID 1388023.


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