Source: Annual Congress 2002 - Physiotherapy: assessment and outcome in healthy subjects and patients with chronic lung disease
Disease area: Airway diseases, Respiratory critical care

Abstract

Physiotherapists usually apply breathing exercises to increase the pulmonary volumes with controlled muscular contractions. In South America the most common breathing exercises are denominated inspiratory sighs, maximal inspiration and abbreviate breathing, but there is not literature about.
Our propose was to study the thoracoabdominal configuration and the tidal volume during these exercises,
These exercises were studied in 20 young healthy males in untrained (UT) and trained (T) groups, in supine, seated, left and right positions by mean of a respiratory inductive pletysmography system. Their mean age was 28.1(4.6)years and body mass index 22(2.4)kg/m2.
We observed largest displacements of the rib cage compartment(Tx%=50-68%) using the manual stimulation on the lower thoracic region.Concomitantly the abdominal component showed asynchronous movements in the supine and seated positions.The abdominal compartment was predominantly displaced when the abdominal manual stimulation was applied on it(Ab%=75-80%). The data no show statistical difference between the exercises and the groups. High volumes were displaced by the three techniques, mainly in the seated position. The only difference seen among them was in the horizontal positions: for the thoracic stimulation the maximal inspiration exercise displaced the largest tidal volume; for the abdominal stimulation the highest volumes were obtained during the inspiratory sighs exercise, with no difference between the groups.
In these breathing exercises the displacement of the components of chest wall is dependent of the manual stimulus. The high tidal volume reached in the seated position and it is the same in these three exercises.

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Citations should be made in the following way:
M. I. Z. Feltrim, J. R. Jardim (Sau Paulo, Brazil). Study of thoracoabdominal configuration and tidal volume during breathing exercises. Eur Respir J 2002; 20: Suppl. 38, 1160

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