The Journal of Korean Physical Therapy

The Korean Society of Physical Therapy (대한물리치료학회)
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Analysis of Correlation between Respiratory Characteristics and Physical Factors in Healthy Elementary School Childhood

학령기 정상 아동의 호흡 특성과 신체 조건에 관한 상관분석

  • Lee, Hye Young (Department of Physical Therapy, Graduate School of Rehabilitation Sciences, Daegu University) ;
  • Kang, Dong Yeon (Department of Rehabilitation Science, Graduate School, Daegu University) ;
  • Kim, Kyoung (Department of Physical Therapy, Daegu University)
  • 이혜영 (대구대학교 재활과학대학원 물리치료학과) ;
  • 강동연 (대구대학교 대학원 재활과학과 물리치료전공) ;
  • 김경 (대구대학교 물리치료학과)
  • Received : 2013.09.18
  • Accepted : 2013.10.14
  • Published : 2013.10.25
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Abstract

Purpose: Respiratory is an essential vital component for conservation of life in human, which is controlled by respiratory muscles and its related neuromuscular regulation. The purpose of this study is to assess lung capacity and respiratory pressure in healthy children, and to investigate relationship and predictability between respiratory pressure and other related respiratory functions. Methods: A total of 31 healthy children were recruited for this study. Demographic information and respiratory related factors were assessed in terms of body surface area (BSA), chest mobility, lung capacity, and respiratory pressure. Correlation between respiratory pressure and the rested variables was analyzed, and multiple regression using the stepwise method was performed for prediction of respiratory muscle strength, in terms of respiratory pressure as the dependent variable, and demographic and other respiratory variables as the independent variable. Results: According to the results of correlation analysis, respiratory pressure showed significant correlation with age (r=0.62, p<0.01), BSA (r=0.80, p<0.01), FVC (r=0.80, p<0.01), and FEV1 (r=0.70, p<0.01). In results of multiple regression analysis using the backward elimination method, BSA and FVC were included as significant factors of the predictable statistical model. The statistical model showed a significant explanation power of 71.8%. Conclusion: These findings suggest that respiratory pressure could be a valuable measurement tool for evaluation of respiratory function, because of significant relationship with physical characteristics and lung capacity, and that BSA and FVC could be possible predictable factors to explain the degree of respiratory pressure. These findings will provide useful information for clinical assessment and treatment in healthy children as well as those with pulmonary disease.

Keywords

References

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