{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,8]],"date-time":"2026-10-08T01:06:51Z","timestamp":1791421611154,"version":"4.3.3"},"reference-count":47,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2023,9,19]],"date-time":"2023-09-19T00:00:00Z","timestamp":1695081600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100000024","name":"Canadian Institutes of Health Research","doi-asserted-by":"publisher","award":["MOP 126015"],"award-info":[{"award-number":["MOP 126015"]}],"id":[{"id":"10.13039\/501100000024","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["American J Hum Biol"],"published-print":{"date-parts":[[2024,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objectives<\/jats:title><jats:p>Reliable measurements of health\u2010related fitness\u2014cardiorespiratory endurance, muscular endurance, muscular strength, body composition, and flexibility\u2014are imperative for understanding and tracking health\u2010related fitness from the preschool age. This study aimed to examine the test\u2013retest reliability of field\u2010based (i.e., sit and reach [standard and back\u2010saver], standing long jump, grip strength); and laboratory\u2010based (i.e., Bruce Protocol Treadmill Test, Wingate Anaerobic Test) assessments of health\u2010related fitness in preschool aged children (4\u20135\u2009years).<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Forty\u2010two typically developing children participated in both assessment time points separated by 2\u20133\u2009weeks. All fitness assessments were administered individually and repeated in the same order by the same assessor. Heteroscedasticity was examined for each parameter. Intraclass correlation coefficients were calculated to assess test\u2013retest reliability.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>All parameters were homoscedastic. Test\u2013retest reliability for the field\u2010based tests and Bruce Protocol Treadmill Test parameters were moderate to good. Test\u2013retest reliability for the Wingate Test parameters were good to excellent for maximum pedal rate, peak power, and peak power\/kg; mean power and fatigue measured at 10 and 30\u2009s demonstrated moderate to excellent test\u2013retest reliability.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The standard sit and reach, grip strength, and short\u2010term muscle power from the Wingate test are reliable assessments of health\u2010related fitness in preschool\u2010aged children.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ajhb.23987","type":"journal-article","created":{"date-parts":[[2023,9,19]],"date-time":"2023-09-19T15:55:50Z","timestamp":1695138950000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Reliability of field\u2010 and laboratory\u2010based assessments of health\u2010related fitness in preschool\u2010aged children"],"prefix":"10.1002","volume":"36","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3670-8425","authenticated-orcid":false,"given":"Sara","family":"King\u2010Dowling","sequence":"first","affiliation":[{"name":"Department of Family Medicine, Infant and Child Health Lab McMaster University  Hamilton Ontario Canada"},{"name":"Division of Oncology The Children's Hospital of Philadelphia  Philadelphia Pennsylvania USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9190-558X","authenticated-orcid":false,"given":"Kathryn","family":"Fortnum","sequence":"additional","affiliation":[{"name":"The University of Queensland Health and Wellbeing Centre for Research Innovation, School of Human Movement and Nutrition Sciences  Brisbane Queensland Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniele","family":"Chirico","sequence":"additional","affiliation":[{"name":"Department of Family Medicine, Infant and Child Health Lab McMaster University  Hamilton Ontario Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tuyen","family":"Le","sequence":"additional","affiliation":[{"name":"Department of Family Medicine, Infant and Child Health Lab McMaster University  Hamilton Ontario Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9757-2771","authenticated-orcid":false,"given":"Matthew Y. 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