Respiratory care
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Single-set resistance training (SSRT) improves strength and function in older adults with COPD. However, its effect on quality of life (QOL) has not been evaluated. This study evaluated the effect of SSRT on QOL in COPD patients enrolled in pulmonary rehabilitation (PR) and identified relationships between muscular strength, endurance and QOL. ⋯ The addition of SSRT to traditional PR does not affect overall improvements in QOL that are influenced primarily by an increase in upper body strength. Our findings suggest a threshold effect for exercise training, such that, once a threshold stimulus has been achieved, further improvements in QOL are not dose-dependent.
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Editorial Comment
Of dung and dynein arms: understanding COPD in nonsmokers.