2COPD Working Group. Global strategy for the diagnosis,management, and prevention of chronic obstructive pulmonary disease ( Revised 2011 ). www. goldcopd, org,2011.
3Troosters T, Gosselink R, Janssens W,et al. Exercise training and pulmonary rehabilitation : new insights and remaining challenges. Eur Respir Rev ,2010,19:24-29.
4Janaudis-Ferreira T, Hill K, Goldstein RS, et al. Resistance ann training in patients with COPD : a randomized controlled trial. Chest, 2011,139 : 151-158.
5Jones PW, Harding G, Berry P, et al. Development and first validation of the COPD Assessment Test. Eur Respir J, 2009,34 : 648-654.
6Ringbaek T, Martinez G, Lange P. A comparison of the assessment of quality of life with CAT, CCQ, and SGRQ in COPD patients participating in pulmonary rehabilitation. COPD,2012,9 : 12-15.
7Medinas-Amores M, Alorda C, Renom F, et al. Quality of life in patients with chronic obstructive pulmonary disease : the predictive validity of the BODE index. Chron Respir Dis,2008,5:7-11.
8Enright PL,Sherrill DL. Reference equations for the six-minute walk in healthy adults. Am J Respir Crit Care Med,1998 ,158 :1384-1387.
9Almeida P, Rodrigues F. Exercise training modalities and strategies to improve exercise performance in patients with respiratory disease. Rev Port Pneumol,2014 ,20 :36-41.
10Breunung L, Roberts M. Peripheral muscle dysfunction and chronic obstructive pulmonary disease. Br J Hosp Med (Land) ,2011,72: 17-18,20-21.