Guerra, RS, Amaral, TF, Sousa, AS, Fonseca, I, Pichel, F, and Restivo, MT. Comparison of Jamar and Bodygrip dynamometers for handgrip strength measurement. J Strength Cond Res 31(7): 1931-1940, 2017-Studies that compared the agreement between Jamar and other models of dynamometers for handgrip strength (HGS) measurement have exhibited variability in the provided results. The lack of comparability between dynamometers led to the development of the Bodygrip dynamometer. This study aims to examine the reliability of the Bodygrip for HGS measurement, to compare it with the Jamar, and to explore the HGS differences between instruments considering the ergonomic effect of using the Bodygrip with 2 different handles. A cross-sectional study was conducted in free-living (n = 114, 18-89 years) and inpatient (n = 50, 65-93 years) volunteers. Nondominant HGS was tested randomly with the Jamar and Bodygrip, the latter using 2 different handles-curved and straight types. Handgrip strength was obtained for each participant under the same conditions. Each individual performed 2 HGS measurements with each dynamometer, and the maximum HGS value was considered for dynamometers comparison. Differences in the maximum HGS value between the 2 devices (Jamar-Bodygrip), intraclass correlation coefficients (ICCs), Bland and Altman plots, and limits of agreement were obtained. Correlation between the highest HGS measurement obtained for the nondominant hand with the Jamar and with the Bodygrip using each handle was excellent (ICCs: 0.93-0.95). Mean differences of -0.5 (limits of agreement: -4.6; 3.5) kgf with the curved handle and of 1.0 (-7.7; 9.7) kgf with the straight handle for the free-living participants were obtained, whereas for inpatients these values were -1.0 (-3.8; 1.9) kgf and 2.1 (-3.3; 7.5) kgf, respectively, for the curved and straight handles. The Bodygrip is comparable to the Jamar in free-living adults and in hospitalized older adults, exhibiting excellent interinstrument reliability. The Bodygrip with the curved handle produces results closer to the Jamar when compared with Bodygrip with the straight handle, which emphasizes the importance of grip handle ergonomics to measurement reliability.

译文

Guerra,RS,Amaral,TF,Sousa,AS,Fonseca,I,Pichel,F和Restivo,MT。Jamar和Bodygrip测力计用于手握强度测量的比较。J Strength Cond Res 31(7): 1931-1940,2017-比较Jamar和其他模型的测力计之间的一致性的研究在提供的结果中显示出可变性。测功机之间缺乏可比性导致了Bodygrip测功机的发展。本研究旨在检验用于HGS测量的人体握把的可靠性,并将其与Jamar进行比较,并考虑到使用具有2种不同手柄的人体工程学效果,探讨仪器之间的HGS差异。在自由生活 (n = 114,18-89岁) 和住院 (n = 50,65-93岁) 志愿者中进行了横断面研究。使用Jamar和Bodygrip随机测试非显性HGS,后者使用2种不同的手柄-弯曲和笔直类型。在相同条件下为每个参与者获得了握力。每个人使用每个测力计进行2次HGS测量,并考虑最大HGS值进行测力计比较。获得了2个设备 (Jamar-Bodygrip) 之间的最大HGS值差异,类内相关系数 (ICCs),平淡和Altman图以及一致性极限。使用Jamar和非优势手和使用每个手柄的身体握把获得的最高HGS测量值之间的相关性非常好 (ICCs: 0.93-0.95)。获得了自由生活参与者的-0.5 (协议限制: -4.6; 3.5) kgf与弯曲手柄的1.0 (-7.7; 9.7) kgf与直手柄的平均差异,而对于住院患者,这些值为-1.0 (-3.8; 1.9) kgf和2.1 (-3.3; 7.5) kgf分别用于弯曲和直柄。在自由生活的成年人和住院的老年人中,Bodygrip与Jamar相当,具有出色的器械间可靠性。与直柄的身体握把相比,弯曲手柄的身体握把产生更接近Jamar的结果,这强调了握把手柄人体工程学对测量可靠性的重要性。

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