Effects of breathing type on electromyographic activity of respiratory muscles at different body positions

Aim: To compare the effect of breathing type on the activity of respiratory muscles at different body positions. Methodology: Two groups of 20 subjects each, one with upper costal and the other with costodiaphragmatic breathing, were studied. Electromyographic activity of sternocleidomastoid (SCM),...

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Bibliographic Details
Published in:Cranio 2017-03, Vol.35 (2), p.110-115
Main Authors: Valenzuela, Saúl, Miralles, Rodolfo, Santander, Hugo, Bull, Ricardo, Cordova, Rosa, Celhay, Isabel, Cavada, Gabriel, Gutiérrez, Mario Felipe
Format: Article
Language:English
Subjects:
Costodiaphragmatic breathing
Deglutition - physiology
Dentistry
Diaphragm - physiology
Electromyography
Humans
Intercostal Muscles - physiology
Lateral decubitus position
Male
Posture - physiology
Respiration
Respiratory muscles
Respiratory Muscles - physiology
Standing position
Swallowing
Upper costal breathing
Young Adult
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Summary:Aim: To compare the effect of breathing type on the activity of respiratory muscles at different body positions. Methodology: Two groups of 20 subjects each, one with upper costal and the other with costodiaphragmatic breathing, were studied. Electromyographic activity of sternocleidomastoid (SCM), diaphragm (DIA), external intercostal (EIC), and latissimus dorsi (LAT) muscles was recorded at standing and lateral decubitus positions during swallowing and maximal voluntary clenching. Results: All muscles showed higher activity during standing in upper costal breathing subjects except the SCM muscle. EIC activity was higher during standing in the costodiaphragmatic breathing group. Subjects with upper costal breathing showed higher DIA activity than subjects with costodiaphragmatic breathing at both body positions and higher SCM activity at lateral decubitus position, whereas, EIC activity was only higher during swallowing. Conclusions: Subjects with upper costal breathing presented higher respiratory effort than subjects with costodiaphragmatic breathing, being most prominent at the lateral decubitus position.
ISSN:0886-9634
2151-0903
DOI:10.1080/08869634.2016.1159384