Effects of the Breath Stacking Technic in Healthy Individuals

During initial rest period, the volunteer remained seated for 10' in spontaneous breathing. Right after, the measurement of arterial pressure, of SpO2 (%), of heart rate, of respiratory frequency and applied to a modified effort perception Borg. During carrying out of the breath stacking technic, the volunteer remained seated, being requested to hold the mask on his/her face not allowing air scape, The volunteer was oriented to inhale normally and exhale all the air during expiration for 20 seconds, and the variables were assessement again the same variables of control. In the final rest period, right after technic end, the volunteers remained seated for 10 minutes in spontaneous breathing and again the same variables of control at the 10th minute were assessed.