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Research ArticleOriginal Research

Chest Wall Mobility Is Related to Respiratory Muscle Strength and Lung Volumes in Healthy Subjects

Fernanda de Cordoba Lanza, Anderson Alves de Camargo, Lilian Rocha Ferraz Archija, Jessyca Pachi Rodrigues Selman, Carla Malaguti and Simone Dal Corso
Respiratory Care December 2013, 58 (12) 2107-2112; DOI: https://doi.org/10.4187/respcare.02415
Fernanda de Cordoba Lanza
School of Physiotherapy, Department of Health
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  • For correspondence: [email protected]
Anderson Alves de Camargo
Postgraduate Program in Rehabilitation Sciences Master's Program, Universidade Nove de Julho, São Paulo, Brazil.
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Lilian Rocha Ferraz Archija
School of Physiotherapy, Department of Health
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Jessyca Pachi Rodrigues Selman
School of Physiotherapy, Department of Health
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Carla Malaguti
Physiology Department, Federal University of Juiz de Fora, Juiz de Fora, Minas Gerais, Brazil.
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Simone Dal Corso
Postgraduate Program in Rehabilitation Sciences Master's Program, Universidade Nove de Julho, São Paulo, Brazil.
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Abstract

BACKGROUND: Chest wall mobility is often measured in clinical practice, but the correlations between chest wall mobility and respiratory muscle strength and lung volumes are unknown. We investigate the associations between chest wall mobility, axillary and thoracic cirtometry values, respiratory muscle strength (maximum inspiratory pressure and maximum expiratory pressure), and lung volumes (expiratory reserve volume, FEV1, inspiratory capacity, FEV1/FVC), and the determinants of chest mobility in healthy subjects.

METHODS: In 64 healthy subjects we measured inspiratory capacity, FVC, FEV1, expiratory reserve volume, maximum inspiratory pressure, and maximum expiratory pressure, and chest wall mobility via axillary and thoracic cirtometry. We used linear regression to evaluate the influence of the measured variables on chest wall mobility.

RESULTS: The subjects' mean ± SD values were: age 24 ± 3 years, axillary cirtometry 6.3 ± 2.0 cm, thoracic cirtometry 7.5 ± 2.3 cm; maximum inspiratory pressure 90.4 ± 10.6% of predicted, maximum expiratory pressure 92.8 ± 13.5% of predicted, inspiratory capacity 99.7 ± 8.6% of predicted, FVC 101.9 ± 10.6% of predicted, FEV1 98.2 ± 10.3% of predicted, expiratory reserve volume 90.9 ± 19.9% of predicted. There were significant correlations between axillary cirtometry and FVC (r = 0.32), FEV1 (r = 0.30), maximum inspiratory pressure (r = 0.48), maximum expiratory pressure (r = 0.25), and inspiratory capacity (r = 0.24), and between thoracic cirtometry and FVC (r = 0.50), FEV1 (r = 0.48), maximum inspiratory pressure (r = 0.46), maximum expiratory pressure (r = 0.37), inspiratory capacity (r = 0.39), and expiratory reserve volume (r = 0.47). In multiple regression analysis the variable that best explained the axillary cirtometry variation was maximum inspiratory pressure (R2 0.23), and for thoracic cirtometry it was FVC and maximum inspiratory pressure (R2 0.32).

CONCLUSIONS: Chest mobility in healthy subjects is related to respiratory muscle strength and lung function; the higher the axillary cirtometry and thoracic cirtometry values, the greater the maximum inspiratory pressure, maximum expiratory pressure, and lung volumes in healthy subjects.

  • physical therapy
  • lung function tests
  • respiratory muscles
  • muscle strength
  • thorax wall
  • respiratory mechanics

Footnotes

  • Correspondence: Fernanda de Cordoba Lanza PhD, Universidade Nove de Julho, School of Physiotherapy, Department of Health, Rua Vergueiro, 235/239, Bairro Liberdade 01504001 São Paulo, SP, Brazil. E-mail: lanzafe{at}gmail.com.
  • Mr de Camargo was supported by a scientific institution scholarship from Programa de Suporte da Pós Graduação de Instituições de Ensino Particulares, da Coordenação de Aperfeiçoamento de Pessoal de Nível Superior, São Paulo, São Paulo, Brazil. Ms Archija and Ms Selman were supported by scientific institution scholarships from Fundação de Amparo à Pesquisa do Estado de São Paulo, São Paulo, Brazil.

  • Dr Lanza presented a version of this paper at the 16th International Symposium of Respiratory and Intensive Care Physical Therapy, held May 14, 2012, in Rio De Janeiro, Brazil.

  • The authors have disclosed no conflicts of interest.

  • Copyright © 2013 by Daedalus Enterprises
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Respiratory Care: 58 (12)
Respiratory Care
Vol. 58, Issue 12
1 Dec 2013
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Chest Wall Mobility Is Related to Respiratory Muscle Strength and Lung Volumes in Healthy Subjects
Fernanda de Cordoba Lanza, Anderson Alves de Camargo, Lilian Rocha Ferraz Archija, Jessyca Pachi Rodrigues Selman, Carla Malaguti, Simone Dal Corso
Respiratory Care Dec 2013, 58 (12) 2107-2112; DOI: 10.4187/respcare.02415

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Chest Wall Mobility Is Related to Respiratory Muscle Strength and Lung Volumes in Healthy Subjects
Fernanda de Cordoba Lanza, Anderson Alves de Camargo, Lilian Rocha Ferraz Archija, Jessyca Pachi Rodrigues Selman, Carla Malaguti, Simone Dal Corso
Respiratory Care Dec 2013, 58 (12) 2107-2112; DOI: 10.4187/respcare.02415
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Keywords

  • physical therapy
  • lung function tests
  • respiratory muscles
  • muscle strength
  • thorax wall
  • respiratory mechanics

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