Manual muscle testing: does it meet the standards of an adequate screening test?
Manual muscle testing: does it meet the standards of an adequate screening test?
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DOI:
10.1191/0269215505cr873oa
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发表时间:
2005-09-01
影响因子:
3
通讯作者:
Bohannon, RW
中科院分区:
文献类型:
--
作者:
Bohannon, RW
Objective: To describe the sensitivity, specificity, positive predictive value, negative predictive value and diagnostic accuracy of manual muscle testing.Design: Secondary analysis of cross-sectional strength data.Setting: Acute rehabilitation unit.Participants: Convenience sample of 107 consecutive qualifying rehabilitation inpatients.Intervention: Not applicable.Main outcome measures: Knee extension forces measured by manual muscle testing and hand-held dynamometry.Results: The ability of manual muscle testing to detect 15, 20, 25 and 30% between-side differences and deficits in knee extension force was described. Although the specificity of manual muscle testing was acceptable ( mostly > 80%), its sensitivity to differences between sides and to deficits relative to normal never exceeded 75%. Its diagnostic accuracy was never greater than 78%.Conclusion: The results of this study cast doubt on the suitability of manual muscle testing as a screening test for strength impairments.