Aetiology of work-related carpal tunnel syndrome: The role of lumbrical muscles and tool size on carpal tunnel pressures

Tyson K. Cobb, William P. Cooney, Kai Nan An

Research output: Contribution to journalArticle

26 Scopus citations

Abstract

A cadaveric study was undertaken to investigate the effect of tool size and lumbrical muscle incursion on carpal tunnel pressure during active grip. Active grip was simulated by securing the specimens on an apparatus and loading each of the eight ringer flexor tendons with 1 kg each. Carpal tunnel pressures were measured with and without 1- and 2-in. tubing in die hand and before and after removing the lumbrical muscles. Both variables, tool size and lumbrical muscles, were found to have a statistically significant effect on carpal tunnel pressure. Higher pressure changes were found for the 2-in. tubing, compared with 1 in. tubing, but this difference was not statistically significant.

Original languageEnglish (US)
Pages (from-to)103-107
Number of pages5
JournalErgonomics
Volume39
Issue number1
DOIs
StatePublished - Jan 1 1996

Keywords

  • Carpal tunnel
  • Carpal tunnel syndrome
  • Ergonomics
  • Industrial medicine

ASJC Scopus subject areas

  • Human Factors and Ergonomics
  • Physical Therapy, Sports Therapy and Rehabilitation

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