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Relationship between exercise habits and physical function in children aged 9-12 years
Daiki Takahashi1, Tadashi Ito1,2, Yuji Ito3
1Department of Integrated Health Sciences, Nagoya University Graduate School of Medicine, Nagoya, Japan.
Nagoya Journal of Medical Science
|March 20, 2024
Summary
Establishing regular exercise habits in childhood is crucial for developing skeletal muscle mass and lower limb strength. Consistent physical activity, even at moderate levels, significantly benefits children's physical functions and long-term health.
Area of Science:
- Pediatric Health
- Sports Science
- Public Health
Background:
- Childhood exercise habits positively influence adult physical health.
- Establishing healthy habits during childhood is critical for lifelong well-being.
- Understanding the link between exercise and physical function in children is vital.
Purpose of the Study:
- To examine the association between exercise habits and physical function in 9-12-year-old children.
- To investigate the relationship between defined exercise habits and key physical metrics.
- To provide data supporting the importance of physical activity in childhood.
Main Methods:
- A cross-sectional study involving 239 children aged 9-12 years.
- Participants completed a questionnaire on exercise habits.
- Evaluated skeletal muscle mass index, grip strength, standing broad jump, one-leg standing time, and gait deviation index.
- Logistic regression analysis adjusted for sex.
Main Results:
- 75.5% of children reported having exercise habits.
- Significant positive associations were found between exercise habits and skeletal muscle mass index (OR, 1.84; p<0.05).
- Exercise habits were also significantly associated with standing broad jump performance (OR, 1.02; p<0.05).
Conclusions:
- Regular exercise, defined as at least 30 minutes per day, 2 days per week for a year, is important for children's physical development.
- Exercise habits are linked to improved skeletal muscle mass and lower limb strength in school-aged children.
- Promoting consistent physical activity in childhood supports better physical function and health outcomes.
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