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KMID : 0361420100340050560
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Journal of Korean Academy of Rehabilitation Medicine
2010 Volume.34 No. 5 p.560 ~ p.564
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Reliability of Passive Knee Joint Position Sense Test
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Kim Se-Hwan
Seo Kyung-Mook
Kim Don-Kyu
Kang Si-Hyun
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Abstract
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Objective:To investigate the optimal number of repetition trials and to evaluate the test-retest reliability of passive knee joint position sense test.
Methods:Thirty healthy subjects were tested with isokinetic machine. The knee joints were placed in starting angle of 0o for flexion test and 90o for extension test. To memorize the target angle, the knees were passively positioned to the target angle (30o in flexion test and 60o in extension test) and left hold for 10 seconds, and returned to starting position. After these processes, knee joints were passively moved toward target angles. The subjects were instructed to press button when the memorized angles were estimated to be reproduced. The tests were performed 6 times for each test angle. After 48 hours, the tests were repeated. Intra-class correlation coefficients (ICC) were calculated with the values of test and retest.
Results:There were no significant differences in absolute angular errors (AAE) between dominant and non-dominant side. The ICC value of above five repetitions of test showed excellent reliability (0.807) whereas three and four repetitions showed moderate reliabilities (0.536∼0.709).
Conclusions:From the results of this study, we suggest that five repetitions of test could be appropriate for the passive joint position sense test.
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KEYWORD
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Knee joint, Proprioception, Position sense, Reliability
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