Comparison of cardiorespiratory fitness between preschool children with normal and excess body adipose ~ An observational study

English version

Autoři: Sheng-Hui Tuan ^aff001; Chien-Hui Li ^aff001; Shu-Fen Sun ^aff003; Min-Hui Li ^aff003; I-Hsiu Liou ^aff003; Tzu-Ping Weng ^aff004; I-Hsuan Chen ^aff004; Ko-Long Lin ^aff003
Působiště autorů: Department of Rehabilitation Medicine, Cishan Hospital, Ministry of Health and Welfare, Cishan District, Kaohsiung City, Taiwan (R.O.C.) ^aff001; Department of Physical Therapy, Shu-Zen junior College of Medicine and Management, Luzhu Dist., Kaohsiung City, Taiwan (R.O.C.) ^aff002; Department of Physical Medicine and Rehabilitation, Kaohsiung Veterans General Hospital, Zuoying Dist., Kaohsiung City, Taiwan (R.O.C.) ^aff003; Department of Physical Therapy, Foo-Yin University, Daliao Dist., Kaohsiung City, Taiwan (R.O.C.) ^aff004
Vyšlo v časopise: PLoS ONE 14(10)
Kategorie: Research Article
prolekare.web.journal.doi_sk: https://doi.org/10.1371/journal.pone.0223907

Souhrn

Objective

Overweight and obesity in preschoolers might develop into childhood and even adulthood obesity. Overweight and obesity have been shown to be negatively related with cardiorespiratory fitness (CRF) in children and adults but few studies did among preschoolers. We aimed to evaluate whether excess body adipose is negatively associated with CRF in both the submaximal and maximal effort of preschool children in exercise testing and to examine if there is difference to achieve maximal effort during exercise testing between preschoolers with normal and excess body adipose.

Methods

Data of 106 preschoolers aged 4–6 that received symptom-limited treadmill exercise testing was analyzed. Anthropometry was measured by vector bioelectrical impedance analysis. Excess body adipose was defined as (1) ‘overweight’ and ‘obesity’ by body mass index (BMI), (2) fat mass index (FMI) greater than the sex- and age-specific 75th percentile of whole subjects, and (3) fat-free mass index (FFMI) smaller than the sex- and age-specific 25th percentile. CRF was indicated by metabolic equivalent (MET) at anaerobic threshold (AT MET), peak MET, oxygen uptake efficiency slope (OUES) calculated by the 50% (OUES-50) and the entire (OUES-100) duration of the exercise testing.

Results

Preschoolers with excess body adipose by three different definitions (BMI, FMI, and FFMI) all had poorer ability to perform maximal effort (p = 0.004, 0.043, and 0.007, respectively). Preschoolers with excess body adipose by BMI and FFMI classifications had lower OUES-50 (p = 0.018, and 0.001, respectively), and lower OUES-100 (p = 0.004, and 0.001, respectively) than peers with normal body adipose during exercise testing while those with excess body adipose by FMI classification showed no significant differences from peers with normal body adipose in both OUES-50 and OUES-100.

Conclusions

Preschoolers with excess body adipose had lower CRF significantly during treadmill exercise testing. Weight control and health promotion should start as early as possible.

Klíčová slova:

Body Mass Index – Schools – Fats – Children – Obesity – Childhood obesity – Exercise – Anthropometry

Zdroje

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