Benefits of normal body mass index on physical fitness: A cross-sectional study among children and adolescents in Xinjiang Uyghur Autonomous Region, China

Bi, Chen; Yang, Junmin; Sun, Jian; Song, Yi; Wu, Xiaoyan; Zhang, Feng

doi:10.1371/journal.pone.0220863

Cited by 22 publications

(23 citation statements)

References 26 publications

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“…We used a standing long jump to assess lower limb strength and oblique body pull-ups for boys aged 7-12, pull-ups for boys aged 13-18, and 1-min sit-ups for all girls aged 7-18, to assess upper body muscle strength. The cardiopulmonary function was assessed with long-distance running (eight 50-m shuttle runs for participants aged 7-12, 1000-m endurance running for boys aged 13-18, and 800-m endurance running for girls aged [13][14][15][16][17][18]. The 50-m dash was used to assess speed of movement.…”

Section: Procedures and Measurementmentioning

confidence: 99%

Secular Trend in the Physical Fitness of Xinjiang Children and Adolescents between 1985 and 2014

Zhang

et al. 2020

IJERPH

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We assessed trends in physical fitness by age group and nutrition status among children and adolescents in Xinjiang during 1985–2014. The data of 49,357 participants aged 7–18 were extracted in 1985, 1995, 2005, and 2014. Growth and nutritional status were defined using World Health Organization definitions. A physical fitness indicator (PFI) was calculated as the sum of six components measured in every survey. The relationship between body mass index (BMI) and PFI was investigated using nonlinear regression. Taking 1985 as a reference, PFI increased to 2 in 1995 and then fell sharply to −2.8 in 2005 and −3.8 in 2014. The prevalence of normal weight increased from 87.5% in 1985 to 89.4% in 1995 and then decreased to 75.2%, consistent with the change in PFI. The relationship between BMI and PFI showed an inverted U-shaped curve. The largest increment occurred in boys aged 13–15 and girls aged 16–18 during 1985–1995; the largest decline occurred in boys and girls aged 10–12 during 1995–2005. Our research provides a reference for local governments providing nutrition subsidies and projects in southern Xinjiang, indicating that greater attention is needed for children aged 7–12.

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Section: Procedures and Measurementmentioning

confidence: 99%

Secular Trend in the Physical Fitness of Xinjiang Children and Adolescents between 1985 and 2014

Zhang

et al. 2020

IJERPH

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“…Many studies showed that low physical activity is often positively associated with overweight [ 46 , 47 ]. A study by [ 48 ] demonstrated that BMI is significantly associated with physical activity during puberty (13–18 years) in boys and in pre-pubertal girls aged 7–12 years [ 48 ]. A study by [ 49 ], however, found that there was no significant relationship between the type of class (i.e., general education vs. sports focused).…”

Section: Discussionmentioning

confidence: 99%

Eating Behaviour and Physical Fitness in 10-Year-Old Children Attending General Education and Sports Classes

Ługowska

Kolanowski

Trafiałek

2020

IJERPH

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The aim of this study was to evaluate the body mass index (BMI), selected eating behaviour and physical fitness of children aged 10 years attending general education and sports classes in Siedlce. Subject children were 272 girls and boys mean aged 10.8-years attending general education (GC) and sports classes (SC). Survey questionnaires consisted of 18 questions about eating behaviour and physical activity. The BMI was determined for each child and compared with reference percentile charts. Eurofit testing was used to measure physical fitness. Increased physical fitness was positively correlated with beneficial eating behaviour among children. SC children showed significantly more frequent dietary intakes of milk, dairy products, poultry, fish, wholegrain bread, groats and vegetables when compared to GC ones. However, significantly more GC children ate red meat more frequently along with snacking on confectionery and savouries than SC ones. Most subjects fell within correct BMI percentile ranges. Underweight was more frequent in SC children at 12.85% than in GC children 9.88%. Overweight and obesity was most often observed in GC children (respectively 19.73% and 5.51%) compared to SC ones (respectively 14.37% and 3.8%). SC children achieved significantly better results in the Eurofit tests. The highest levels of physical fitness and most favourable BMIs and eating behaviour were observed more often among SC children than GC ones. The results confirmed the beneficial health effects of physical fitness for children.

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“…Boys were also found to have greater physical endurance (hanging on the bar with their arms bent) of muscles (Pikel et al, 2017). Bi (2019) notes that boys are more physically fit than girls and they can show greater strength. At the age of 5, they can jump further, run faster, or drop the ball five feet further.…”

Section: Discussionmentioning

confidence: 99%

Relationship between Primary School Children’s Physical Fitness, Physical Activity and their Parents’ Physical Activity

Vainauskas¹,

Dilys²,

Šukys³

et al. 2020

BJSHS

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Background. Healthy lifestyle skills instilled in childhood remain into adulthood. Parental physical activity skills are directly related to their children’s physical activity which strengthens their children’s physical fitness. The aim of the study was to determine and evaluate the relationship between parents’ and children’s physical activity and to evaluate the links between children’s physical activity and physical fitness.Methods. The study involved 486 primary school children aged 7 to 10 years (240 boys and 241 girls) and their parents from Kaunas district. The study was conducted in 2018 in Kaunas district schools. Parental physical activity was assessed using Godin Leisure-Time Exercise Questionnaire-GLTEQ (Godin & Shephard, 1985). Physical activity of primary school children was assessed by submitting a questionnaire to parents developed by researchers Bacardi-Gascón, Reveles-Roy, Woodward-Lopez, Crawford, and Jiménez-Cruz (2012). Schoolchildren’s physical fitness was assessed by 9 physical fitness tests (Fjørtoft, Pedersen, Sigmundsson, & Vereijken, 2011).Results. Having assessed the physical activity of children according to WHO (2010) recommendations, we found that the vast majority of the surveyed children (93.6% of boys and 86.3 of girls) were physically active, i.e. they engaged in physical activity for more than 1 hour during the day. Comparing the schoolchildren’s physical fitness by gender we found that boys were more physically fit than girls when performing long jumps, two-legged jumps, throwing a tennis ball, and running for six minutes (p < .05). Comparing the results of schoolchildren’s physical fitness by grades (Table 3), we observed that the older children were, the more physically fit they were. Correlation analysis of the research results showed a statistically significant direct relationship between father’s and mother’s physical activity (r = .487, p = .0001). A significant relationship was found between the results of children’s physical activity and tennis ball throwing (r = .170, p = .018) and the results of 10 * 5m running tests (r = –.150, p = .019). Higher physical activity was directly associated with better scores on these tests.Conclusion. Schoolchildren’s and their parents’ physical activity has no relation with schoolchildren’s physical fitness.Keywords: healthy, lifestyle, physical activity, physical fitness.

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Benefits of normal body mass index on physical fitness: A cross-sectional study among children and adolescents in Xinjiang Uyghur Autonomous Region, China

Cited by 22 publications

References 26 publications

Secular Trend in the Physical Fitness of Xinjiang Children and Adolescents between 1985 and 2014

Secular Trend in the Physical Fitness of Xinjiang Children and Adolescents between 1985 and 2014

Eating Behaviour and Physical Fitness in 10-Year-Old Children Attending General Education and Sports Classes

Relationship between Primary School Children’s Physical Fitness, Physical Activity and their Parents’ Physical Activity

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