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Título:	Validation of walking trails for the Urban Training of chronic obstructive pulmonary disease patients.
Autor/a:	Arbillaga Etxarri, Ane; Torrent-Pallicer. Jaume; Gimeno Santos, Elena; Barberan Garcia, Anael; Delgado, Anna; Balcells, Eva; Rodríguez, Diego A.; Vilaró, Jordi; Vall Casas, Pere; Irurtia Amigó, Alfredo; Rodríguez-Roisin, Robert; García Aymerich, Judith; Urban Training Study Group
Notas:	Purpose Accessible interventions to train patients with chronic obstructive pulmonary disease (COPD) are needed. We designed urban trails of different intensities (low, moderate and high) in different types of public spaces (boulevard, beach and park). We aimed to validate the trails' design by assessing the physiological response to unsupervised walking trails of: (1) different intensities in COPD patients, and (2) same intensity from different public spaces in healthy adults. Methods On different days and under standardized conditions, 10 COPD patients walked the three intensity trails designed in a boulevard space, and 10 healthy subjects walked the three intensity trails in three different spaces. We measured physiological response and energy expenditure using a gas analyzer. We compared outcomes across trails intensity and/or spaces using mixed-effects linear regression. Results In COPD patients, physiological response and energy expenditure increased significantly according to the trails intensity: mean (SD) peak O2 15.9 (3.5), 17.4 (4.7), and 17.7 (4.4) mL/min/kg (p-trend = 0.02), and MET-min 60 (23), 64 (26), 72 (31) (p-trend<0.01) in low, moderate and high intensity trails, respectively. In healthy subjects there were no differences in physiological response to walking trails of the same intensity across different spaces. Conclusions We validated the trails design for the training of COPD patients by showing that the physiological response to and energy expenditure on unsupervised walking these trails increased according to the predefined trails' intensity and did not change across trails of the same intensity in different public space. Walkable public spaces allow the design of trails that could be used for the training of COPD patients in the community.
Materia(s):	-Malalties pulmonars obstructives cròniques -Exercici -Condició física -Chronic obstructive pulmonary diseases -Exercise -Physical fitness
Derechos:	cc-by (c) Arbillaga Etxarri, Ane et al., 2016 http://creativecommons.org/licenses/by/3.0/es
Tipo de documento:	Artículo Artículo - Versión publicada
Editor:	Public Library of Science (PLoS)
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