Test-retest reliability of lower extremity functional tests after a closed kinetic chain isokinetic testing bout

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Issue Date
2003
Authors
Manske, Robert C.
Smith, Barbara S.
Wyatt, Frank B.
Advisor
Citation

Manske RC, Smith B, Wyatt F. 2003.Test–retest reliability of lower extremity functional tests after a closed kinetic chain isokinetic testing bout. J Sport Rehabil. 2003;12:119-132.

Abstract

Context: Athletes are often examined for return to sports using a functional-testing algorithm. No research has determined whether a closed kinetic chain (CKC) isokinetic testing bout influences the reliability of functional tests. Objective: To determine whether a concentric CKC isokinetic test bout alters test–retest reliability of lower extremity functional testing. Design: Subjects participated in velocity-spectrum CKC isokinetic bouts on 2 days 1 week apart. Setting: Hospital-based clinic. Participants: 28 normal subjects (mean age 26.7 years, height 27.2 cm, weight 75.8 kg). Analysis and Results: Means and SDs were determined. Intraclass correlation coefficients were used to calculate test–retest reliability and between days 1 and 2 ranged from .91 to .98. Conclusions: Even after a CKC isokinetic test bout, test–retest reliability of functional tests is very high. Future research should determine test–retest reliability of functional tests for patients with lower extremity pathology.

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