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Reliability, variability and minimal detectable change of the isometric mid-thigh pull in adolescent dancers
Kolokythas, Nico Galloway, Shaun Allen, Nick
Kolokythas, Nico
Galloway, Shaun
Allen, Nick
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2023-09-26
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Abstract
Introduction: The importance and potential benefits of muscular strength in the adolescent’s development for health and fitness has been demonstrated in the literature. Maximal muscular strength and its assessment, however, is not a primary assessment criterium in the selection of young talented dancers. Methods: The present study evaluated the within- and between session reliability, variability, and minimal detectable change (MDC) of the isometric mid-thigh pull (IMTP). Thirty-five participants (female n = 17) participated in 2 identical assessments on the same day with 4-hour break in between. Three 3-second IMTP were performed, and the mean peak force value was used for the analyses. Results: Within-session the ICC indicated excellent reliability (ICC = .99, 95% CI: 0.98-0.99). Between-session reliability was excellent (ICC = .98, 95% CI: 0.95-0.99). The standard error of measurement was 4% (48 N), the minimum detectable change was 12% (134 N) and the CV was 3%. There were no within-session statistically significant differences, but statistically significant differences between-session were observed (P < .001). Limits of agreement ranged from −121 N (95% CI −186 to −56 N) to 307 N (95% CI 243-372 N). Conclusion: The observed results demonstrated excellent within- and between sessions reliability, low variability, and an MDC of 12%. The consistency of the within-session scores suggest that peak force data may be obtained with single try efforts. The statistically significant difference in the means of the retest session, however, suggests that the time of the day or the time since entrained awakening may be affecting performance in adolescent dancers. The results of the current study indicate that the IMTP is a reliable assessment tool for maximal muscular strength in adolescent dancers.
Citation
Kolokythas, N., Metsios, G.S., Galloway, S., Allen, N. and Wyon, M. (2024) Reliability, variability and minimal detectable change of the isometric mid-thigh pull in adolescent dancers. Journal of Dance Medicine & Science, 28 (1), pp. 14-20. https://doi.org/10.1177/1089313X231198421
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Journal article
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en
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This is an author's accepted manuscript of an article published by SAGE in Journal of Dance Medicine & Science on 26/09/2023, available online at: https://doi.org/10.1177/1089313X231198421 The accepted manuscript may differ from the final published version.
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1089-313X
EISSN
2374-8060