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The Innervation of Flexor Carpi Radialis: An Interfascicular Dissection

The Innervation of Flexor Carpi Radialis: An Interfascicular Dissection Abstract • Comparative gross dissection and microdissection of the nerve branch to flexor carpi radialis in 20 fresh-frozen cadaveric forearms was completed, with attention to the nerve's origin. By gross dissection a single branch arose from the main trunk, and in one specimen branches to flexor carpi radialis arose from both the anterior interosseous nerve and the median nerve. Interfascicular dissection modified this observation, demonstrating two patterns of interfascicular innervation of flexor carpi radialis. The patterns were (1) a single branch from median nerve to flexor carpi radialis with no contributions from the anterior interosseous nerve (eight forearms), and (2) a branch from both anterior interosseous nerve and median nerve combining to innervate flexor carpi radialis (12 forearms). References 1. Schaeffer JP (ed): Morris'Human Anatomy . New York, McGraw-Hill Book Co, 1942, p 480. 2. Hollinshead WH: Anatomy for Surgeons . New York, Paul B Hoeber Inc, 1958, vol 3: The Back and Limbs, p 404. 3. Linell EA: The distribution of nerves in the upper limb, with reference to variabilities and their clinical significance . J Anat 1921;55:79-112. 4. Sunderland S: The intraneural topography of the radial, median, and ulnar nerves . Brain 1945;68:243-298.Crossref 5. Sunderland S, Ray LJ: Metrical and non-metrical features of the muscular branches to the median nerve . J Compr Neurol 1946;85:191-203.Crossref 6. Jabaley ME, Wallace WH, Heckler FR: Internal topography of major nerves of the forearm and hand: A current view . J Hand Surg 1980;5:1-18.Crossref http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Neurology American Medical Association

The Innervation of Flexor Carpi Radialis: An Interfascicular Dissection

Archives of Neurology , Volume 39 (10) – Oct 1, 1982

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Publisher
American Medical Association
Copyright
Copyright © 1982 American Medical Association. All Rights Reserved.
ISSN
0003-9942
eISSN
1538-3687
DOI
10.1001/archneur.1982.00510220045010
Publisher site
See Article on Publisher Site

Abstract

Abstract • Comparative gross dissection and microdissection of the nerve branch to flexor carpi radialis in 20 fresh-frozen cadaveric forearms was completed, with attention to the nerve's origin. By gross dissection a single branch arose from the main trunk, and in one specimen branches to flexor carpi radialis arose from both the anterior interosseous nerve and the median nerve. Interfascicular dissection modified this observation, demonstrating two patterns of interfascicular innervation of flexor carpi radialis. The patterns were (1) a single branch from median nerve to flexor carpi radialis with no contributions from the anterior interosseous nerve (eight forearms), and (2) a branch from both anterior interosseous nerve and median nerve combining to innervate flexor carpi radialis (12 forearms). References 1. Schaeffer JP (ed): Morris'Human Anatomy . New York, McGraw-Hill Book Co, 1942, p 480. 2. Hollinshead WH: Anatomy for Surgeons . New York, Paul B Hoeber Inc, 1958, vol 3: The Back and Limbs, p 404. 3. Linell EA: The distribution of nerves in the upper limb, with reference to variabilities and their clinical significance . J Anat 1921;55:79-112. 4. Sunderland S: The intraneural topography of the radial, median, and ulnar nerves . Brain 1945;68:243-298.Crossref 5. Sunderland S, Ray LJ: Metrical and non-metrical features of the muscular branches to the median nerve . J Compr Neurol 1946;85:191-203.Crossref 6. Jabaley ME, Wallace WH, Heckler FR: Internal topography of major nerves of the forearm and hand: A current view . J Hand Surg 1980;5:1-18.Crossref

Journal

Archives of NeurologyAmerican Medical Association

Published: Oct 1, 1982

References