B ack g r o u nd
E xe r cise tr aining with in th e conte xt of pul monar y re h abil itation impr ove s outcome s of e xe r cise capacity, dy spne a and h e al th-re l ate d
qual ity of l if e in individual s with ch r onic obstr uctive pul monar y dise ase (CO PD). Suppl e me ntal oxy ge n in compar ison to pl acebo
incre ase s e xe r cise capacity in patie nts pe r f or ming singl e -assessme nt e xe r cise te sts. Th e addition of suppl e me ntal oxy ge n dur ing e xe r cise
tr aining may e nabl e individual s with CO PD to tol e r ate h igh er l e ve l s of activity with l e ss e xe r tional sy mptoms, ul timatel y impr oving
qual ity of l if e .