The goal of this clinical trial is to learn whether elastic-band resistance training, with or without breathing training, can improve lung function and physical function in older adults with pulmonary function impairment living in the community. It will also learn about the safety and feasibility of these exercise programs. The main questions it aims to answer are: Does elastic-band resistance training improve lung function, lower-limb muscle strength, walking ability, and exercise tolerance? Does adding structured breathing training to elastic-band resistance training provide additional benefits for lung function and respiratory-related health status? Are these exercise programs safe and acceptable for older adults in a community setting? Researchers will compare three groups: elastic-band resistance training plus breathing training, elastic-band resistance training alone, and usual health education. This will help determine whether elastic-band resistance training is helpful and whether breathing training adds extra benefit. Participants will: Take part in a 12-week study Be assigned by chance to one of three groups Attend supervised exercise sessions 3 times per week if assigned to an exercise group Receive usual health education and daily activity guidance Complete lung function tests, muscle strength tests, physical function tests, and questionnaires at the start of the study, at 6 weeks, and at 12 weeks
Age range
60 Years – 85 Years
Sex
ALL
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A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Change in FEV1/FVC Ratio From Baseline to Week 12
Timeframe: Baseline, Week 6, and Week 12
Change in Forced Expiratory Volume in 1 Second From Baseline to Week 12
Timeframe: Baseline, Week 6, and Week 12
Change in Forced Vital Capacity From Baseline to Week 12
Timeframe: Baseline, Week 6, and Week 12
Change in FEV1 Z-Score From Baseline to Week 12
Timeframe: Baseline, Week 6, and Week 12
Change in FVC Z-Score From Baseline to Week 12
Timeframe: Baseline, Week 6, and Week 12
Change in FEV1/FVC Z-Score From Baseline to Week 12
Timeframe: Baseline, Week 6, and Week 12
Change in 30-Second Chair Stand Test Performance From Baseline to Week 12
Timeframe: Baseline, Week 6, and Week 12
Change in 4-Meter Gait Speed From Baseline to Week 12
Timeframe: The 4-meter gait speed test was used to assess usual walking ability. Participants walked a fixed 4-meter distance at their usual comfortable speed. Higher values indicate better walking performance.
Change in 2-Minute Step Test Performance From Baseline to Week 12
Timeframe: Baseline, Week 6, and Week 12