Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.21/3908
Título: Does diaphragmatic breathing technique really improve its range of motion? An objective assessment
Autor: Fernandes, Ana Rita
Perez, Maria Inês
Ribeiro, Ricardo T.
Tomás, Mª Teresa
Palavras-chave: Pulmonary physiology
Diaphragmatic breathing technique
Ventilation
Data: Mar-2014
Editora: American College of Chest Physicians
Citação: Fernandes AR, Perez MI, Ribeiro RT, Tomás MT. Does diaphragmatic breathing technique really improve its range of motion? An objective assessment. In CHEST World Congress, Madrid (España), 21-24 March 2014. Chest. 2014;145(3 Suppl):457A.
Resumo: Purpose - To verify the results of a diaphragmatic breathing technique (DBT) on diaphragmatic range of motion in healthy subjects. Methods - A total of 51 healthy subjects (10 male; 41 female), mean age 20 years old and a body mass index (BMI) ranging from 15.6 to 34.9 kg/m2, were enrolled in this study. Diaphragmatic range of motion was assessed by M-mode ultrasound imaging. Measurements were made before and after the DBT implementation in a standard protocol, based on 3 seconds of inspiration starting from a maximum expiration. Differences between assessments were analyzed by descriptive statistics and t-test (p < 0.05). Results - Mean value range of motion before DBT was 55.3 ± 13.4 mm and after DBT was 63.8 ± 13.2 mm showing a significant improvement of 8.5 ± 14.7 mm (p < 0.001). A strong correlation between the slope and the range of motion was found (r = 0.71, p < 0.001). Conclusions - Based on ultrasound measurements, it has been proved that DBT really contributes to a higher diaphragmatic range of motion. Future studies are needed in order to understand the influence of protocol parameters (e.g. inspiration time). Clinical implications - In the contest of evidence-based practice in physiotherapy, it has been showed by objective measurements that DBT improves the diaphragm range of motion, translating into a more efficient ventilatory function and thus can be used in clinical setting. To our knowledge this is the first study to assess the effects of DBT on range of motion of diaphragm muscle with ultrasound imaging.
Peer review: yes
URI: http://hdl.handle.net/10400.21/3908
Versão do Editor: http://journal.publications.chestnet.org/issue.aspx?journalid=99&issueid=929821#tocHeading_44063
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