Measurement of hand grip strength: A cross-sectional study of two dynamometry devices.

IF 1 Q4 REHABILITATION South African Journal of Physiotherapy Pub Date : 2022-09-26 eCollection Date: 2022-01-01 DOI:10.4102/sajp.v78i1.1768

Alison Lupton-Smith, Kyla Fourie, Anele Mazinyo, Molebogeng Mokone, Siwelile Nxaba, Brenda Morrow

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引用次数: 4

Abstract

Background: Grip strength has been identified as an important indicator of health status and predictor of clinical outcomes. The gold standard for measuring grip strength is the JAMAR® Hydraulic Hand Dynamometer. Less expensive dynamometers are available but have not been validated within a hospital setting.

Objectives: To validate the Camry Digital Handgrip Dynamometer (Model EH101) against the validated JAMAR® Dynamometer (Model J00105) in a hospital population.

Methods: A cross-sectional observational study with a randomised single-blind cross-over component was conducted on consenting adult patients admitted to general hospital wards. The best of three measurements taken using the dominant hand was used for analysis.

Results: Fifty-one participants (median [interquartile range] age 42 [30-58] years; n = 27 [52.9%] female) were included. The mean difference between the Jamar® and Camry measurements was 1.9 kg ± 3.6 kg (t-value 0.9; p = 0.4). There was a strong positive correlation between the Jamar® and the Camry devices (R = 0.94; r² = 0.88; p < 0.0001). Excellent agreement was found between Jamar® and Camry measurements (interclass correlational coefficient 0.97, 95% CI 0.94-0.99, p < 0.0001). Hand dominance significantly affected the agreement between devices (p = 0.002).

Conclusions: The Camry Digital Handgrip Dynamometer is a valid tool for assessing grip strength in hospitalised adult patients.

Clinical implications: The Camry Digital Handgrip Dynamometer could be used as an inexpensive tool to measure grip strength.

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手握力的测量:两种测力装置的横断面研究。

背景:握力已被确定为健康状况的重要指标和临床结果的预测因子。测量握力的黄金标准是JAMAR®液压手测力仪。有较便宜的测功机可用，但尚未在医院环境中进行验证。目的:在医院人群中验证凯美瑞数字手柄测功仪(EH101型)与已验证的JAMAR®测功仪(J00105型)。方法:一项横断面观察研究，随机单盲交叉成分，对同意住院的普通医院病房成年患者进行。用惯用手进行的三次测量中最好的一次被用于分析。结果:51名参与者(中位数[四分位数间距]42岁[30-58岁];N = 27例[52.9%]，女性)。贾马尔®和凯美瑞测量值的平均差异为1.9 kg±3.6 kg (t值0.9;P = 0.4)。Jamar®与凯美瑞设备之间存在很强的正相关(R = 0.94;R²= 0.88;P < 0.0001)。Jamar®和Camry测量结果非常吻合(类间相关系数0.97,95% CI 0.94-0.99, p < 0.0001)。手优势显著影响设备之间的一致性(p = 0.002)。结论:凯美瑞数字握力计是评估住院成人患者握力的有效工具。临床意义:凯美瑞数字握力计可以作为一种廉价的工具来测量握力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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