Background: The handgrip strength test is widely used by clinicians; however, little has been investigated about its reliability when used in subjects with Parkinson disease (PD). The purpose of this study was to investigate the test-retest reliability of the handgrip strength test for subjects with PD. Methods: The PD group consisted of 15 patients, and the control group consisted of 15 healthy subjects. Each patient performed 3 pain-free maximal isometric contractions on each hand on 2 occasions, 1 week apart. Intraclass correlation coefficient (ICC), standard error of measurement (SEM), and 95% limits of agreement (LOA) were calculated. The 2-way analysis of variance (ANOVA) was conducted to determine the differences between sides and groups. Results: Test-retest reliability of measurements of grip strength was excellent for dominant (ICC = 0.97; P =. 001) and non-dominant (ICC = 0.98; P =. 001) hand of participant with PD and (ICC = 0.99; P =. 001) and (ICC = 0.99; P =. 001) respectively, of healthy group. Conclusions: The Jamar hand dynamometer had fair to excellent test-retest reliability to test grip strength in participants with PD.
Reliability of the Handgrip Strength Test in Elderly Subjects With Parkinson Disease / J.H. Villafañe, K. Valdes, R. Buraschi, M. Martinelli, L.M.E. Bissolotti, S. Negrini. - In: HAND. - ISSN 1558-9447. - 11:1(2016), pp. 54-58. [10.1177/1558944715614852]
Reliability of the Handgrip Strength Test in Elderly Subjects With Parkinson Disease
S. Negrini
2016
Abstract
Background: The handgrip strength test is widely used by clinicians; however, little has been investigated about its reliability when used in subjects with Parkinson disease (PD). The purpose of this study was to investigate the test-retest reliability of the handgrip strength test for subjects with PD. Methods: The PD group consisted of 15 patients, and the control group consisted of 15 healthy subjects. Each patient performed 3 pain-free maximal isometric contractions on each hand on 2 occasions, 1 week apart. Intraclass correlation coefficient (ICC), standard error of measurement (SEM), and 95% limits of agreement (LOA) were calculated. The 2-way analysis of variance (ANOVA) was conducted to determine the differences between sides and groups. Results: Test-retest reliability of measurements of grip strength was excellent for dominant (ICC = 0.97; P =. 001) and non-dominant (ICC = 0.98; P =. 001) hand of participant with PD and (ICC = 0.99; P =. 001) and (ICC = 0.99; P =. 001) respectively, of healthy group. Conclusions: The Jamar hand dynamometer had fair to excellent test-retest reliability to test grip strength in participants with PD.File | Dimensione | Formato | |
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