Construct validity and reliability of the 2-Minute Step Test (2MST) in individuals with low back pain.

Autor: de Jesus, Sulamizia Filomena Costa, Bassi-Dibai, Daniela, Pontes-Silva, André, da Silva de Araujo, Aliny, de Freitas Faria Silva, Silvana, Veneroso, Christiano Eduardo, de Paula Gomes, Cid André Fidelis, Dibai-Filho, Almir Vieira
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Zdroj: BMC Musculoskeletal Disorders; 12/9/2022, Vol. 23 Issue 1, p1-7, 7p
Abstrakt: Background: Functional tests are important clinical tools, since they are non-invasive methods, with simple applicability, and low cost. However, there are few tests adapted for individuals with chronic low back pain. Thus, our objective was to evaluate the test-retest and inter-rater reliability of the 2-Minute Step Test in individuals with chronic low back pain and to correlate the test score with measures of pain and physical activity.Methods: We included patients aged between 18 and 45 years, of both sexes, and with low back pain. The interval between the test and retest was 7 days. We analyzed the data via intra-class correlation coefficient (ICC), confidence interval at 95%, standard error of measurement, and minimum detectable change for reliability. We used the Spearman's correlation coefficient to verify the correlation between 2-Minute Step Test and measures of pain and physical activity (Numerical Pain Scale, Roland-Morris Disability Questionnaire, Pain-Related Catastrophizing Thoughts Scale, Tampa Scale of Kinesiophobia, and Baecke Habitual Physical Activity Questionnaire).Results: Sample is composed of 37 individuals, most of them female, with overweight and low back pain > 60 months. 2-Minute Step Test showed excellent test-retest (ICC = 0.903) and inter-rater (ICC = 0.925) reliability. Sport domain of the Baecke showed a significant correlation with the 2-Minute Step Test (rho = 0.444).Conclusion: 2-Minute Step Test is a reliable measure to measure the functional capacity of patients with chronic low back pain considering different times and examiners, as well as being positively correlated with sports practice. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index
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