Volume 14, Issue 4 (Winter 2014)                   Vol. , No. , Season & Year , Serial No. | Back to browse issues page

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Ravanbakhsh M, Salavati M, Akhbari B, Ebrahimi E, Gousheh B. Attentional Demands of Breathing Pattern Control and biochemical metabolic outcomes in Normal Subjects. jrehab. 2014; 14 (4) :8-17
URL: http://rehabilitationj.uswr.ac.ir/article-1-796-en.html
1- University of Social Welfare & Rehabilitation Sciences
2- University of Social Welfare & Rehabilitation Sciences, Tehran, Iran. , mahyarsalavati@uswr.ac.ir
3- Tehran University of Medical Sciences
Abstract:   (5998 Views)

Objective: Normal breathing is essential for adjustment of natural metabolism of human body. Therefore, the aim of this study was to evaluate the control of breathing pattern in normal subjects both at rest and during cognitive loading.

Materials & Methods: In this quasi-experimental study, 24 healthy subjects (14 males, 10 females) were selected by simple and convenient sampling. Spirometry data including inspiration and expiration times, total time of respiration, tidal volume, minute ventilation, respiratory rate, inspiratory-total time ratio, and capnography data containing end tidal CO2 were obtained from all participants in two conditions: with or without cognitive loading.

Results: Mean of end tidal CO2 in expiration, inspiration times and total duration of respiration in rest condition was significantly larger than those of during cognitive loading. There was also a medium direct correlation between tidal volume, inspiration and expiration times, total duration of respiration and inspiratory-total time ratio and end tidal CO2.

Conclusion: Cognitive loading has an inevitable effect on breathing pattern. There is also good correlation between breathing pattern and biochemical breathing of metabolic outcomes.

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Type of Study: Original | Subject: Physical Therapy
Received: 12/04/2011 | Accepted: 9/10/2013 | Published: 9/10/2013

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