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- W601156738 abstract "AbstractAim and hypothesisThe aim of this study was to evaluate the reliability of ISOP – a new isometric power device with regard to evaluating isometric muscle force in the three planes of wrist motion. The hypothesis was as follows:Is there a significant difference in isometric power when repeated measurements are conducted at two different time-intervals (so called ”test-retest”)?MethodA test-retest protocol was performed in 20 volunteers (ten women/ten men, age range 28-48 years, average 38.6), with no prior hand or wrist injury. Eight measurements were done in six different directions of the wrist: flexion, extension, radial deviation, ulnar deviation, pronation and supination of the dominant hand, as well as flexion and extension of the non-dominant hand. Each measurement consisted of three sequential maneuvers using maximum force, and the results were calculated as an average of these (test 1). The exact same protocol was repeated after a week (test 2). As an internal control, the Jamar hand dynamometer was used as it has previously been proven reliable.ResultsThe relationship between test 1 and test 2 were analyzed using Pearson’s correlation coefficient (r) and Intraclass Correlation Coefficient (ICC) with a p-value set at 0.001. The result of Pearson’s r showed a very strong correlation between 9 of 10 pairs tested, with values between 0.84-0.98, and a strong correlation for the tenth pair with a value of 0.77. The strength of the correlations were confirmed by the ICC which showed 0.88-0.99 for all pairs. A dependent t-test was additionally performed to test for possible deviations between the tests, but no significant differences were found (p>0.05) which strengthens the relationship between the tests.ConclusionThe new isometric power device, ISOP, has a very strong to strong correlation in a test-retest situation. No significant differences between the measurements could be demonstrated. ISOP may thus be considered a reliable device for use in wrist rehabilitation and evaluation." @default.
- W601156738 created "2016-06-24" @default.
- W601156738 creator A5009531842 @default.
- W601156738 date "2014-01-01" @default.
- W601156738 modified "2023-09-27" @default.
- W601156738 title "Reliabilitetstest av kraftmätare ISOP - ISOmetric Power device" @default.
- W601156738 hasPublicationYear "2014" @default.
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