Test-Retest Reliability of the Closed Kinetic Chain Upper Extremity Stability Test: A Clinical Field Test

in Journal of Sport Rehabilitation
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Context:

Functional testing of patients is essential to clinicians because it provides objective data for documentation that can be used for serial reassessment and progression through a rehabilitation program. Furthermore, new tests should require minimal time, space, and money to implement.

Purpose:

To determine the test-retest reliability of the Closed Kinetic Chain (CKC) Upper Extremity Stability Test.

Participants:

Twenty-four male college students.

Methods:

Each subject was tested initially and again 7 days later. Each subject performed 1 submaximal test followed by 3 maximal efforts. A 45-second rest was given after each 15-second test. The 2 maximal-test scores were averaged and compared with those from the retest.

Results:

The intraclass correlation coefficient was .922 for test-retest reliability. A paired-samples t test (.927) was conducted, and the coefficient of stability was .859. The results indicate that the CKC Upper Extremity Stability Test is a reliable evaluation tool.

Todd G. Goldbeck is with Beloit Memorial Hospital, Beloit, WI53551. George J. Davies is a professor of physical therapy at the University of Wisconsin-LaCrosse and director of clinical and research services at Gundersen Lutheran Sports Medicine, Onalaska, WI 54650.

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