Extra- and intramuscular nerve distribution patterns of the muscles of the ventral compartment of the forearm

Sung Yoon Won, Mi Sun Hur, Dong Wook Rha, Hyun Do Park, Kyung-Seok Hu, Christian Fontaine, Heejin Kim

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Objective: This study describes the extra- and intramuscular nerve branching of muscles of the ventral compartment of forearm, thereby providing critical information on determining the points for botulinum toxin injections that would be effective at reducing muscular spasticity. Design: Twenty-three Korean and French cadavers were dissected and subjected to Modified Sihler's staining to investigate nerve entry points and intramuscular nerve arborization patterns. Nerve entry point and abundant arborizing area of each muscle were analyzed on 20 segments with reference to transverse lines obtained by dividing the forearm into ten equal divisions and a vertical line bisecting the medial and lateral halves of the forearm. Results: The nerve entry points of the first and second layers of forearm muscles were located at medial levels 3 and 2, respectively. The entry points of the median and ulnar nerves innervating the flexor digitorum profundus (third layer) were located at medial levels 4 and 3, respectively. The intramuscular regions of abundant arborization in each muscle were located one level distal to the nerve entry point. Conclusions: This study has yielded a map of nerve entry and abundant arborization of motor nerves innervating each muscle of the ventral compartment of the forearm.

Original languageEnglish
Pages (from-to)644-652
Number of pages9
JournalAmerican Journal of Physical Medicine and Rehabilitation
Volume89
Issue number8
DOIs
Publication statusPublished - 2010 Aug 1

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Forearm
Muscles
Ulnar Nerve
Botulinum Toxins
Median Nerve
Cadaver
Staining and Labeling
Injections

All Science Journal Classification (ASJC) codes

  • Physical Therapy, Sports Therapy and Rehabilitation
  • Rehabilitation

Cite this

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abstract = "Objective: This study describes the extra- and intramuscular nerve branching of muscles of the ventral compartment of forearm, thereby providing critical information on determining the points for botulinum toxin injections that would be effective at reducing muscular spasticity. Design: Twenty-three Korean and French cadavers were dissected and subjected to Modified Sihler's staining to investigate nerve entry points and intramuscular nerve arborization patterns. Nerve entry point and abundant arborizing area of each muscle were analyzed on 20 segments with reference to transverse lines obtained by dividing the forearm into ten equal divisions and a vertical line bisecting the medial and lateral halves of the forearm. Results: The nerve entry points of the first and second layers of forearm muscles were located at medial levels 3 and 2, respectively. The entry points of the median and ulnar nerves innervating the flexor digitorum profundus (third layer) were located at medial levels 4 and 3, respectively. The intramuscular regions of abundant arborization in each muscle were located one level distal to the nerve entry point. Conclusions: This study has yielded a map of nerve entry and abundant arborization of motor nerves innervating each muscle of the ventral compartment of the forearm.",
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Extra- and intramuscular nerve distribution patterns of the muscles of the ventral compartment of the forearm. / Won, Sung Yoon; Hur, Mi Sun; Rha, Dong Wook; Park, Hyun Do; Hu, Kyung-Seok; Fontaine, Christian; Kim, Heejin.

In: American Journal of Physical Medicine and Rehabilitation, Vol. 89, No. 8, 01.08.2010, p. 644-652.

Research output: Contribution to journalArticle

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AU - Fontaine, Christian

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