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Physical fitness in relation to later body composition in pre-school children
Linköping University, Department of Medical and Health Sciences, Division of Community Medicine. Linköping University, Faculty of Medicine and Health Sciences. Karolinska Inst, Sweden; Univ Granada, Spain.ORCID iD: 0000-0003-2482-7048
Univ Jyvaskyla, Finland.
Linköping University, Department of Medical and Health Sciences, Division of Community Medicine. Linköping University, Faculty of Medicine and Health Sciences. Univ Granada, Spain.
Karolinska Inst, Sweden; Childrens Hosp Eastern Ontario, Canada.
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2019 (English)In: Journal of Science and Medicine in Sport, ISSN 1440-2440, E-ISSN 1878-1861, Vol. 22, no 5, p. 574-579Article in journal (Refereed) Published
Abstract [en]

Objectives

Although physical fitness is considered a marker of health in youth, little is known whether physical fitness in pre-school age is related to later body composition. Thus, this study investigated (i) associations of physical fitness at 4.5 years of age with body composition 12 months later and (ii) whether improvements in physical fitness during the 12-month follow-up were associated with changes in body composition.

Design

This study included 142 children, measured at 4.5 and 5.5 years, from the control group of the MINISTOP trial.

Methods

Physical fitness (cardiorespiratory fitness, lower- and upper-body muscular strength and motor fitness) was measured using the PREFIT test battery. Body composition was assessed using air-displacement plethysmography.

Results

In adjusted regression analyses, greater cardiorespiratory fitness, lower-body muscular strength and motor fitness at 4.5 years were associated with a lower fat mass index at 5.5 years (standardized β= −0.182 to −0.229, p ≤ 0.028). Conversely, greater cardiorespiratory fitness, lower- and upper-body muscular strength as well as motor fitness at 4.5 years of age were associated with a higher fat-free mass index (standardized β = 0.255–0.447, p ≤ 0.001). Furthermore, improvements in cardiorespiratory fitness, lower-body muscular strength and motor fitness during the 12-month follow-up period were associated with decreases in fat mass index and/or % fat mass.

Conclusions

In conclusion, the results of this study provide evidence of the importance of physical fitness early in life. Nevertheless, further studies are needed in order to clarify the influence of physical fitness in the pre-school age with later health outcomes.

Place, publisher, year, edition, pages
Elsevier, 2019. Vol. 22, no 5, p. 574-579
Keywords [en]
Fat-free mass; Fat mass; Cardiorespiratory fitness; Muscular strength; Motor fitness; Pre-school
National Category
Sport and Fitness Sciences
Identifiers
URN: urn:nbn:se:liu:diva-158365DOI: 10.1016/j.jsams.2018.11.024ISI: 000468256300015PubMedID: 30573178Scopus ID: 2-s2.0-85058494155OAI: oai:DiVA.org:liu-158365DiVA, id: diva2:1333831
Note

Funding Agencies|Swedish Research Council [2012-2883]; Swedish Research Council for Health, Working Life and Welfare [2012-0906]; Bo and Vera Axson John sons Foundation; Karolinska Institutet; Strategic Research Area Health Care Science, Karolinska Institutet/Umed University; Juho Vainio Foundation; Swedish Society of Medicine; County Council of Ostergotland, Sweden; Henning and Johan Throne -Hoist Foundation; Spanish Ministry of Economy and Competitiveness [RYC-2010-05957, RYC-2011-09011, BES-2014-068829]

Available from: 2019-07-02 Created: 2019-07-02 Last updated: 2019-11-27Bibliographically approved

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The full text will be freely available from 2020-12-07 10:37
Available from 2020-12-07 10:37

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Henriksson, PontusLöf, Marie

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