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A randomised observational study of individualised variations in the start position of the Closed-Kinetic Chain Upper Extremity Stability Test.

Callaway, A., Peck, J., Ellis, S. and Williams, J. M., 2020. A randomised observational study of individualised variations in the start position of the Closed-Kinetic Chain Upper Extremity Stability Test. Physical Therapy in Sport, 41 (January), 16-22.

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DOI: 10.1016/j.ptsp.2019.10.007

Abstract

Objectives To assess the reliability, precision and differences between scores produced using the standard 36″” start position and 3 modified start positions of the Closed Kinetic Chain Upper Extremity Stability Test (CKCUEST), towards normalisation to the individual. Design RCT of 4 conditions. Setting Clinical. Participants Thirty-four asymptomatic individuals. Main outcome measures Using an RCT method, variations in CKCUEST starting hand position were tested using hand spacing at standard 36″, 50% height, bi-acromial distance, and bi-acromial distance with reach to 36″. The average number of touches over 3 × 15 s maximal efforts were averaged. The intra-variation reliability, minimum detectable change (MDC) and differences to the standard 36″” start position were tested. Results The most reliable variation was the 50% height (ICC: 0.93) and with the smallest MDC (14%). 36″ results were second-most reliable (ICC: 0.90), with a low MDC (19%). Significant differences were found between bi-acromial and 50% height to the 36″” standard setup. Conclusions A setup position where the hand separation is 50% of the individual's height offers excellent repeated measures reliability and the smallest MDC, suggesting it is the most sensitive to change and is a recommendation to clinicians. Conversion calculations between start variations are presented.

Item Type:Article
ISSN:1466-853X
Uncontrolled Keywords:isokinetic ; shoulder stability ; CKCUEST ; closed-kinetic
Group:Faculty of Management
ID Code:32970
Deposited By: Unnamed user with email symplectic@symplectic
Deposited On:29 Oct 2019 14:41
Last Modified:11 Nov 2019 14:33

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