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...Effects of diaphragmatic breathing with and without pursed lips in subjects copd liliane ps mendes karoline s moraes mariana hoffman danielle sr vieira giane a ribeiro samora susan m lage raquel r britto vero nica f parreira background exercises such as breath ing play role some individuals might be considered for those patients who are unable to exercise however the literature reports adverse dia phragmatic thus purpose this study was assess combined on chest wall kinematics breathlessness asynchrony also whether combination both reduces while maintaining its benefits methods seventeen mean sd y age history smoking clinical stability hospitalization or symptoms exacerbation past wk were evaluated day participants characteristics collected they learned by opto electronicplethysmographywiththeparticipantsintheseatedpositionwhileperformingbreath results plus promoted significant increase tidal volume compartments well reduction frequency compared quiet no changes observed dyspnea end exp...