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J Bras Pneumol. 2010 Nov-Dec;36(6):738-45.

Diaphragmatic mobility in healthy subjects during incentive spirometry with a flow-oriented device and with a volume-oriented device.

[Article in English, Portuguese]

Author information

1
Ciências. Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil.. wellpsy@usp.br

Abstract

OBJECTIVE:

To compare the diaphragmatic mobility of healthy subjects during incentive spirometry with a volume-oriented device, during incentive spirometry with a flow-oriented device, and during diaphragmatic breathing. To compare men and women in terms of diaphragmatic mobility during these three types of breathing exercises.

METHODS:

We evaluated the pulmonary function and diaphragmatic mobility of 17 adult healthy volunteers (9 women and 8 men). Diaphragmatic mobility was measured via ultrasound during diaphragmatic breathing and during the use of the two types of incentive spirometers.

RESULTS:

Diaphragmatic mobility was significantly greater during the use of the volume-oriented incentive spirometer than during the use of the flow-oriented incentive spirometer (70.16 ± 12.83 mm vs. 63.66 ± 10.82 mm; p = 0.02). Diaphragmatic breathing led to a greater diaphragmatic mobility than did the use of the flow-oriented incentive spirometer (69.62 ± 11.83 mm vs. 63.66 ± 10.82 mm; p = 0.02). During all three types of breathing exercises, the women showed a higher mobility/FVC ratio than did the men.

CONCLUSIONS:

Incentive spirometry with a volume-oriented device and diaphragmatic breathing promoted greater diaphragmatic mobility than did incentive spirometry with a flow-oriented device. Women performed better on the three types of breathing exercises than did men.

TRIAL REGISTRATION:

ClinicalTrials.gov NCT00997737.

PMID:
21225177
DOI:
10.1590/s1806-37132010000600011
[Indexed for MEDLINE]
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