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Intra- and Intertester Reliability of Chatillon and MicroFet Hand-Held Dynamometers in Measuring Force Production

1996; Human Kinetics; Volume: 5; Issue: 3 Linguagem: Inglês

10.1123/jsr.5.3.197

1543-3072

Iris F. Kimura, LouAnne Marie Jefferson, Dawn T. Gulick, R. David Coll,

Musculoskeletal pain and rehabilitation

The purpose of this study was to investigate intratester and intertester reliability when using the Chatillon and MicroFet hand-held dynamometers (HHDs) to measure isometric force production of the wrist extensors, elbow flexors, ankle dorsiflexors, and knee extensors. Twelve subjects participated, with each joint tested four times with each HHD. Intratester and intertester intraclass con-elation coefficients were measured for both devices separately and between the devices- Results indicated that the HHDs were more reliable when used by a single examiner who had been properly trained in their use. Reliability of the HHDs appears to be affected by both the magnitude of the force produced by the subject and the examiner's ability to resist the force. There was no correlation between examiner's stature and consistent force production values. Caution should be taken when interpreting data obtained from different testers or different HHDs. The same clinician should use the same HHD for successive tests to yield the most reliable data.