Absolute Reliability and Concurrent Validity of Hand-Held Dynamometry in Shoulder Rotator Strength Assessment: Systematic Review and Meta-Analysis

Claudio Chamorro, Miguel Arancibia, Benjamín Trigo, Leónidas Arias-Poblete and Daniel Jerez-Mayorga
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Claudio Chamorro: Faculty of Rehabilitation Sciences, Universidad Andres Bello, Santiago 7591538, Chile
Miguel Arancibia: Faculty of Rehabilitation Sciences, Universidad Andres Bello, Santiago 7591538, Chile
Benjamín Trigo: Faculty of Rehabilitation Sciences, Universidad Andres Bello, Santiago 7591538, Chile
Leónidas Arias-Poblete: Faculty of Rehabilitation Sciences, Universidad Andres Bello, Santiago 7591538, Chile
Daniel Jerez-Mayorga: Faculty of Rehabilitation Sciences, Universidad Andres Bello, Santiago 7591538, Chile

IJERPH, 2021, vol. 18, issue 17, 1-13

Abstract: The purpose of this study is to establish the absolute reliability between hand-held dynamometers (HHDs) and concurrent validity between HHDs and isokinetic dynamometers (IDs) in shoulder rotator strength assessment. The Medline, CINAHL, and Central databases were searched for relevant studies up to July 2020. Absolute reliability was determined by test–retest studies presenting standard error of measurement (SEM%) and/or minimal detectable change (MDC%) expressed as percentage of the mean. Studies considering intra-class correlation coefficient (ICC) between IDs and HHDs were considered for concurrent validity. The risk of bias and the methodological quality were evaluated according to COnsensus-based Standards for the selection of health Measurement INstruments (COSMIN). Thirteen studies were included in the meta-analysis. Shoulder internal rotator strength assessment MDC% was 0.78%, 95% confidence interval (CI) ?5.21 to 3.66, while shoulder external rotators MDC% was 3.29%, CI ?2.69 to 9.27. ICC between devices was 0.94, CI (0.91 to 0.96) for shoulder internal rotators and 0.92, IC (0.88 to 0.97) for shoulder external rotators. Very high correlation was found for shoulder rotator torque assessment between HHDs and IDs. The COSMIN checklist classified the selected studies as adequate and inadequate.

Keywords: muscle strength; reliability; rotator cuff (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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