Wrist squareness and median nerve impairment

R. C. Sposato, M. W. Riley, J. L. Ballard, T. L. Stentz, C. L. Glismann

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Previous research indicated that a wrist-squareness ratio (thickness/ width) greater than .7 is likely to indicate a median nerve sensory latency greater than 3.7 ms, usually a predictor of carpal tunnel syndrome (CTS). In this study, wrist thicknesses and widths were measured and wrist-squareness ratios were calculated for a sample of 417 railroad maintenance workers. Electrodiagnostic testing in accordance with American Academy of Electrodiagnostics Medicine guidelines, was performed on both motor and sensory fibers of the median nerve to evaluate subjects for the presence of median nerve impairment typical of CTS. Results of this study indicate that wrist squareness is not a useful predictor of median nerve impairment typical of CTS in the railroad maintenance workers tested.

Original languageEnglish (US)
Pages (from-to)1122-1126
Number of pages5
JournalJournal of occupational and environmental medicine
Volume37
Issue number9
DOIs
StatePublished - Sep 1995

Fingerprint

Median Nerve
Wrist
Carpal Tunnel Syndrome
Railroads
Maintenance
Medicine
Guidelines
Research

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health

Cite this

Wrist squareness and median nerve impairment. / Sposato, R. C.; Riley, M. W.; Ballard, J. L.; Stentz, T. L.; Glismann, C. L.

In: Journal of occupational and environmental medicine, Vol. 37, No. 9, 09.1995, p. 1122-1126.

Research output: Contribution to journalArticle

Sposato, R. C. ; Riley, M. W. ; Ballard, J. L. ; Stentz, T. L. ; Glismann, C. L. / Wrist squareness and median nerve impairment. In: Journal of occupational and environmental medicine. 1995 ; Vol. 37, No. 9. pp. 1122-1126.
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