This randomized controlled trial evaluated whether performing the same yoga-based breathing exercise program in a salt-cave environment produced different respiratory, functional, physical activity, and quality-of-life outcomes compared with the same program performed in a standard clinical setting in adult smokers. Sixty adult smokers were randomized to either a salt-cave group or a control group. Both groups received a physiotherapist-supervised yoga-based breathing exercise program for 6 weeks, twice weekly, in 50-minute sessions. The intervention content, frequency, duration, and physiotherapist supervision were identical in both groups; the only planned between-group difference was the intervention setting. Spirometric outcomes were assessed at baseline, week 3, and week 6. Functional exercise capacity, physical activity, and quality of life were assessed at baseline and week 6.
Inclusion Criteria:
Exclusion Criteria:
Withdrawal Criteria
Participant and care-provider blinding was not feasible because the intervention settings were clearly distinguishable. Statistical analyses were performed using coded group labels (A/B).
Participants completed the physiotherapist-supervised yoga-based breathing exercise program at the Tuzluca Salt Therapy Center for 6 weeks, twice weekly. The program content, session duration, frequency, and supervision were identical to those of the comparator group; the planned between-group difference was the intervention setting.
Participants completed the same physiotherapist-supervised yoga-based breathing exercise program at the Iğdır Fizyodinamik Wellness Center for 6 weeks, twice weekly. The program content, session duration, frequency, and supervision were identical to those of the experimental group.
Iğdır, 76900, Turkey (Türkiye)
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