The Effect of a Complex Breathing Training Program on Pulmonary Function and Respiratory Muscle Strength in Patients with Parkinson's Disease

PURPOSE: This study sought to identify the effects of a complex breathing training program on pulmonary function and respiratory muscle strength in patients with mild-to-moderate Parkinson's disease (PD).METHODS: Twenty-one subjects from the PD center at D Hospital in the Busan metropolitan area of the Republic of Korea volunteered to participate in the study.The clinical and demographic parameters, including age, sex, symptom duration, and the modified Hoehn and Yahr (H&Y) stage, were collected.The subjects had stage or PD, based on the modified H&Y staging.They were evaluated according to the movement disorder society sponsored version of the unified Parkinson's disease rating scale (MDS-UPDRS) and