Reliability and Validity of the Lower Extremity Motor Activity Log in Persian People with Ankle Sprain
Abstract
Background: Ankle sprains are among the most common injuries and affect functional mobility, lower extremity function and health status. Accessing to a reliable measurement tool to assess diverse real-world lower extremity use in patients following ankle sprain seems essential. Researchers have developed number of measurements to determine rehabilitation goals and also measure the effects of therapeutic interventions. This study was conducted to translate the original English Lower Extremity Motor Activity Log (LE-MAL) to Persian and to investigate the psychometric properties of the Persian version.
Material and Methods: The LE-MAL was translated to Persian and adapted to the Persian culture. Then a total of 140 patients with ankle sprain filled out the Persian LE-MAL, Lower Extremity Functional Scale (LEFS) and Life Space Questionnaire (LSQ). The Persian LE-MAL was re-completed by participants with an interval of two weeks and internal consistency, test-retest reliability and construct validity were investigated.
Results: The Persian LE-MAL had good internal consistency (Cronbach's α =0.95) and test-retest reliability (ICC=0.76). The construct validity of the Persian LE-MAL was demonstrated to be acceptable as a result of its significantly strong correlations with LEFS and LSQ (0.74<r<0.77). Standard error of measurement was less than 10% of the total instrument score (SEM=0.43) and minimal detectable change was 1.2. No ceiling and floor effect observed.
Conclusion: Persian version of LE-MAL is a valid and reliable measurement to assess lower extremity function in people with ankle sprain.
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Issue | Articles in Press | |
Section | Research Article(s) | |
Keywords | ||
Reliability; validity; ankle injuries; self report; outcomes assessment |
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