Localization of muscle spindles in the human Extensor indicis muscle for biopsy purposes

Paul E. van Gorp, William R. Kennedy

Research output: Contribution to journalArticle

10 Scopus citations

Abstract

The number and spatial relations of muscle spindles in the extensor indicis have been determined. Approximately forty spindles lie adjacent to the motor end plate zone dispersed rather equally through this area of the muscle with a modest increase in density among the distally originating fibers. A study of the entire innervation pattern of this muscle has also been completed. These findings have greatly facilitated the isolation of spindles for electron microscopic study and attempts to perform in vivo recording from the sensory nerves of muscle spindles in this laboratory. It is now possible, with the aid of suitable magnification and stimulating and recording devices, to more rapidly find muscle spindles relative to the gross innervation and the easily located motor end plate zone.

Original languageEnglish (US)
Pages (from-to)447-451
Number of pages5
JournalThe Anatomical Record
Volume179
Issue number4
DOIs
StatePublished - Aug 1974

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