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Reliability and validity of the closed kinetic chain upper extremity stability test
Dong-Rour Lee1, Laurentius Jongsoon Kim2
1Department of Physical Therapy, Graduate School, Catholic University of Pusan, Republic of Korea.
Journal of Physical Therapy Science
|May 22, 2015
Summary
The Closed Kinetic Chain Upper Extremity Stability (CKCUES) test demonstrates high reliability and validity for assessing upper limb stability. This cost-effective clinical tool is suitable for evaluating shoulder and arm function.
Area of Science:
- Biomechanics
- Kinesiology
- Physical Therapy
Background:
- Upper extremity stability is crucial for functional performance.
- Reliable and valid clinical tests are needed for accurate assessment.
- The Closed Kinetic Chain Upper Extremity Stability (CKCUES) test is a potential tool for evaluating upper limb function.
Purpose of the Study:
- To determine the reliability and validity of the CKCUES test.
- To establish the CKCUES test as a dependable measure for upper limb stability.
Main Methods:
- 40 participants (20 male, 20 female) were recruited.
- Test-retest reliability was assessed over three days.
- Validity was examined by correlating CKCUES scores with isokinetic shoulder rotation and grip strength measurements.
Main Results:
- The CKCUES test exhibited very high reliability (ICC=0.97).
- High correlations were found between the CKCUES test and maximum grip strength (r=0.78-0.79).
- Strong correlations were observed between the CKCUES test and peak shoulder rotation torque (r=0.87-0.94), supporting its validity.
Conclusions:
- The CKCUES test is a reliable and valid measure of upper extremity stability.
- This cost-effective test is recommended for clinical use in assessing upper limb function.
