Anatomy of the intrinsic hand muscles revisited: Part II. Lumbricals

Firas Eladoumikdachi, Paula Lee Valkov, John Thomas, David T. Netscher

Research output: Contribution to journalArticle

26 Scopus citations

Abstract

The authors discuss the anatomic variations and the precise origins and insertions of the lumbrical muscles, after dissecting 14 fresh cadavers (56 lumbrical muscles) and reviewing the scant published literature. They compare the findings with those of other investigators, and they describe the lumbrical muscle insertions discovered during the dissections. The authors conclude that descriptions of the origins and insertions of the lumbrical muscles have been oversimplified or not investigated at all, that lumbricals originate variably from the flexor digitorum profundus tendon and may even be bipinnate, and that three different major destinations exist for distal insertion of these intrinsic muscles: bone, volar plate, and extensor apparatus. Previous descriptions have focused only on the lumbrical continuation to the lateral band of the extensor mechanism.

Original languageEnglish (US)
Pages (from-to)1225-1231
Number of pages7
JournalPlastic and Reconstructive Surgery
Volume110
Issue number5
DOIs
StatePublished - Jan 1 2002

ASJC Scopus subject areas

  • Surgery

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