期刊论文详细信息
Brazilian Journal of Physical Therapy
Comparison of three hand dynamometers in relation to the accuracy and precision of the measurements
Josária F. Amaral2  Marcelly Mancini1  José M. Novo Júnior2 
[1] ,Universidade Federal de Juiz de Fora School of Physical Education and Sports Program of Master in Physical EducationJuiz de Fora MG ,Brazil
关键词: dynamometer;    grip strength;    physical therapy;    dinamômetro;    força da mão;    fisioterapia;   
DOI  :  10.1590/S1413-35552012000300007
来源: SciELO
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【 摘 要 】

BACKGROUND: Given the variety of available hand-held dynamometers and their different handle shapes, reliability studies are needed. Objectives: To compare the accuracy and reliability between three different hand-held dynamometers and analyze the influence of their handles on grip strength. Methods: The tests were performed with the Jamar® dynamometer, the Takei® dynamometer and the EMG System Manual Transducer with modified handle. Eighteen healthy volunteers aged 20.0±1.3 years without history of musculoskeletal disorders or trauma in the evaluated limbs were included. Data normality was tested using the Shapiro-Wilk test. To verify possible differences between the dynamometers, repeated measures ANOVA was administered, followed by Tukey post-hoc tests. Reliability between measurements was evaluated using intraclass correlation coefficient (ICC) and agreement was tested using Bland and Altman plots. The dynamometers calibration process was evaluated using linear regressions. RESULTS: We observed statistically significant differences on the female group between the Jamar® and the Takei® dynamometers (females p<0.001 and males p=0.022) and the EMG System Manual Transducer (female p<0.001 and males p=0.007). However, the Takei® dymamometer and the EMG System Manual Transducer were similar for both female (p=0.161) and male groups (p=0.850). Although acceptable values of intraclass correlation coefficients between measurements were identified, low agreement between the Jamar® dynamometer and all other instruments was found. CONCLUSIONS: The results demonstrated that there is an influence of the dynamometer's handle shapes on the measurements of grip strength. Furthermore, the results demonstrated the need for previous calibration of this type of instrument.

【 授权许可】

CC BY   
 All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License

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