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Associations between Physical Fitness Index and Body Mass Index in Tibetan Children and Adolescents in Different High-Altitude Areas: Based on a Study in Tibet, China

Author

Listed:
  • Yunjie Zhang

    (College of Education and Sports Sciences, Yangtze University, Jingzhou 434020, China)

  • Fan Su

    (College of Physical Education, China Three Gorges University, Yichang 443002, China)

  • Yongjing Song

    (College of Education and Sports Sciences, Yangtze University, Jingzhou 434020, China)

  • Jinkui Lu

    (School of Physical Education, Shangrao Normal University, Shangrao 334000, China)

Abstract

Objective: To investigate the relationship between physical fitness index (PFI) and body mass index (BMI) of Tibetan children and adolescents in different high-altitude areas in Tibet, China. Methods: Using the stratified cluster sampling method, 3819 Tibetan children and adolescents from three different high-altitude areas including Nyingchi, Lhasa and Nagqu in the Tibet area of China were given grip strength, standing long jump, sitting forward bend, 50 m running and endurance running tests. One-way analysis of variance was used to compare the physical fitness index in different high-altitude areas. In addition, the method of curve regression analysis was used to analyze the relationship between PFI and BMI. Results: In general, the level of PFI in Nagqu, Tibet, China was lower than that in Nyingchi and Lhasa, and the levels of girls were generally lower than those of boys. The proportions of malnourished, normal, overweight and obese Tibetan boys in high-altitude areas were 11.8%, 79.7%, and 8.5%; those of girls were 3.3%, 82.3%, and 14.4%, respectively. The curve regression analysis showed that the model fitting of male Nyingchi, Lhasa, Nagqu and female Nyingchi, Lhasa, Nagqu were all significant (F values were 29.697, 34.709, 37.500, 9.123, 9.785, 6.939, p < 0.01). The relationship between BMI and PFI generally showed an inverted “U” curve relationship. Conclusion: The negative impact of overweight and obesity on physical fitness of Tibetan boys in high-altitude areas is significantly higher than that of girls, and the negative impact of overweight and obesity on physical fitness of boys in Lhasa and Nyingchi area is more significant than that in the Nagqu area. In the future, attention should be paid to Lhasa and the occurrence of overweight and obesity among Tibetan boys in Nyingchi area in order to prevent the sharp decline of physical fitness and promote the physical and mental development of Tibetan children and adolescents in high-altitude areas.

Suggested Citation

  • Yunjie Zhang & Fan Su & Yongjing Song & Jinkui Lu, 2022. "Associations between Physical Fitness Index and Body Mass Index in Tibetan Children and Adolescents in Different High-Altitude Areas: Based on a Study in Tibet, China," IJERPH, MDPI, vol. 19(16), pages 1-10, August.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:16:p:10155-:d:889695
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    References listed on IDEAS

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    1. Yuqiang Li & Feng Zhang & Qi Chen & Xiaojian Yin & Cunjian Bi & Xiaofang Yang & Yi Sun & Ming Li & Ting Zhang & Yuan Liu & Tao Chen & Akira Suzuki & Satoshi Haneda, 2020. "Levels of Physical Fitness and Weight Status in Children and Adolescents: A Comparison between China and Japan," IJERPH, MDPI, vol. 17(24), pages 1-11, December.
    2. Xiaofang Yang & Xiaojian Yin & Liu Ji & Ge Song & Huipan Wu & Yuqiang Li & Guodong Wang & Cunjian Bi & Yi Sun & Ming Li & Ting Zhang & Hiroshi Kato & Akira Suzuki, 2019. "Differences in Cardiorespiratory Fitness between Chinese and Japanese Children and Adolescents," IJERPH, MDPI, vol. 16(13), pages 1-13, June.
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    1. Yuqiang Li & Feng Zhang & Qi Chen & Xiaojian Yin & Cunjian Bi & Xiaofang Yang & Yi Sun & Ming Li & Ting Zhang & Yuan Liu & Tao Chen & Akira Suzuki & Satoshi Haneda, 2020. "Levels of Physical Fitness and Weight Status in Children and Adolescents: A Comparison between China and Japan," IJERPH, MDPI, vol. 17(24), pages 1-11, December.

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