Test–retest reliability of a battery of field-based health-related fitness measures for adolescents

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Deutscher übersetzter Titel:Test- und Retest-Reliabilität einer Testbatterie von Feldtests zu gesundheitsbezogenen Fitnessmaßnahmen für Jugendliche
Autor:Lubans, David Revalds; Morgan, Philip; Callister, Robin; Plotnikoff, Ronald C.; Eather, Narelle; Riley, Nicholas; Smith, Chris J.
Erschienen in:Journal of sports sciences
Veröffentlicht:29 (2011), 6, S. 685-693, Lit.
Format: Literatur (SPOLIT)
Publikationstyp: Zeitschriftenartikel
Medienart: Gedruckte Ressource
Sprache:Englisch
ISSN:0264-0414, 1466-447X
DOI:10.1080/02640414.2010.551215
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Erfassungsnummer:PU201404003978
Quelle:BISp

Abstract

The main aim of this study was to determine the test–retest reliability of existing tests of health-related fitness. Participants (mean age 14.8 years, s=0.4) were 42 boys and 26 girls who completed the study assessments on two occasions separated by one week. The following tests were conducted: bioelectrical impedance analysis (BIA) to calculate percent body fat, leg dynamometer, 908 push-up, 7-stage sit-up, and wall squat tests. Intra-class correlation (ICC), paired samples t-tests, and typical error expressed as a coefficient of variation were calculated. The mean percent body fat intra-class correlation coefficient was similar for boys (ICC=0.95) and girls (ICC=0.93), but the mean coefficient of variation was considerably higher for boys than girls (22.2% vs. 12.2%). The boys’ coefficients of variation for the tests of muscular fitness ranged from 9.0% for the leg dynamometer test to 26.5% for the timed wall squat test. The girls’ coefficients of variation ranged from 17.1% for the sit-up test to 21.4% for the push-up test. Although the BIA machine produced reliable estimates of percent body fat, the tests of muscular fitness resulted in high systematic error, suggesting that these measures may require an extensive familiarization phase before the results can be considered reliable. Verf.-Referat