![]() However, the MGS readings from GripAble and Jamar PLUS+ should not be interchanged for serial measurements of the same patient, nor be translated directly from one device to the other. The GripAble is a reliable tool for measuring grip strength. There is a proportional difference in mean MGS between the two devices, with the difference in MGS between GripAble and Jamar PLUS+ increasing with MGS. GripAble's MGS measurement is equivalent to 69% (95% CI %) of Jamar PLUS+'s measurement. GripAble demonstrates good-to-excellent inter-instrument reliability to the Jamar PLUS+ with ICC 3,1 = 0.906 (95% CI ). Intraclass correlation (ICC), regression, and Bland and Altman analysis were performed to evaluate the inter-instrument reliability and relationship in MGS measurements between GripAble and Jamar PLUS+. MGS data from sixty-three participants (N = 63, median (IQR) age = 29.0 (29.5) years, 33 M/30 F) from both hands using GripAble and Jamar PLUS+ were collected and compared. GripAble's performance was evaluated using an inter-instrument reliability test against the widely used Jamar PLUS+ dynamometer. This paper presents GripAble, a mobile hand grip device for the assessment of MGS. Therefore, an accurate and reliable measurement device is vital for ensuring the validity of the MGS assessment. Maximum grip strength (MGS) is a reliable biomarker of overall health and physiological well-being. ![]()
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