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Breathing01:05

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The process of breathing, inhaling and exhaling, involves the coordinated movement of the chest wall, the lungs, and the muscles that move them. Two muscle groups with important roles in breathing are the diaphragm, located directly below the lungs, and the intercostal muscles, which lie between the ribs. When the diaphragm contracts, it moves downward, increasing the volume of the thoracic cavity and creating more room for the lungs to expand. When the intercostal muscles contract, the ribs...
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Chronic obstructive pulmonary isease (COPD) involves a group of progressive lung disorders characterized by persistent airflow limitation and chronic respiratory symptoms. Asthma-COPD Overlap Syndrome (ACOS), encompassing features of both asthma and Chronic obstructive pulmonary disease (COPD), is a group of progressive lung disorders that includes chronic bronchitis, emphysema, and refractory (non-reversible) asthma. ACOS leads to complex clinical presentations that combine the inflammatory...

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Determining Soil-transmitted Helminth Infection Status and Physical Fitness of School-aged Children
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Lung function increases with increasing level of physical activity in school children.

Sveinung Berntsen1, Torbjørn Wisløff, Per Nafstad

  • 1Division of Epidemiology, Norwegian Institute of Public Health, Oslo, Norway.

Pediatric Exercise Science
|January 27, 2009
PubMed
Summary

Highly physically active children aged 9-10 years demonstrate superior lung function. This study suggests exercise positively impacts lung capacity, specifically forced expiratory volume in 1 second (FEV1) and forced vital capacity (FVC).

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Area of Science:

  • Pediatric Pulmonology
  • Exercise Physiology
  • Child Health Research

Background:

  • Limited understanding of the relationship between physical activity and lung function in children.
  • Childhood lung development is crucial for long-term respiratory health.

Purpose of the Study:

  • To investigate the association between physical activity levels and lung function in 9-10-year-old children.
  • To determine if higher physical activity correlates with improved lung capacity metrics.

Main Methods:

  • Cross-sectional survey involving 2,537 children aged 9-10 years.
  • Parental reports on children's physical activity frequency.
  • Lung function measurements including forced expiratory volume in 1 second (FEV1) and forced vital capacity (FVC).
  • Linear regression analysis adjusted for potential confounders.

Main Results:

  • Children physically active four or more times per week exhibited significantly higher FEV1 compared to those active less than once a week (p = .02).
  • FEV1 showed an average increase of 70 ml in highly active children.
  • A similar positive association was observed for forced vital capacity (FVC; p = .002).

Conclusions:

  • Higher levels of physical activity in childhood are associated with enhanced lung function.
  • Findings suggest that regular exercise may positively influence lung development and capacity.
  • Further longitudinal studies are recommended to confirm these associations and explore causality.