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The mend of the bend-flexor pollicis longus tendon has an additional pulley distal to its point of angulation

Lookup NU author(s): Dr Donal Shanahan, Dr Sandeep Deshmukh

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Abstract

The tendon of flexor pollicis longus angulates at the trapezio-metacarpal joint level. The degree of angulation varies with extent of radial/ulnar deviation (Rack and Ross [1984] 3. Physiol. 351:99-110). We report a fibrous pulley at this level that helps stabilize the tendon and facilitates its action. The morphology of the pulley is described. We believe that it has an important role to play in the unique function of the tendon facilitating the movement of the thumb perpendicular to the plane of the thumbnail. © 2008 Wiley-Liss, Inc.

Publication metadata

Author(s): Kuen FC, Khalid M, Gogi N, Fussey J, Shanahan D, Deshmukh S

Publication type: Article

Publication status: Published

Journal: Clinical Anatomy

Year: 2008

Volume: 21

Issue: 5

Pages: 427-432

ISSN (print): 0897-3806

ISSN (electronic): 1098-2353

Publisher: John Wiley & Sons, Inc.

URL: http://dx.doi.org/10.1002/ca.20637

DOI: 10.1002/ca.20637

PubMed id: 18521941

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