Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Lung function
[109] Systematic review	158 people with COPD 4 RCTs in this analysis	6-minute walk distance (6MWD) 6 to 12 weeks with peripheral muscle training with no treatment Absolute numbers not reported	Effect size +0.30 95% CI –0.02 to +0.61 P = 0.06		Not significant
[109] Systematic review	103 people with COPD 3 RCTs in this analysis	6MWD 12 weeks with peripheral muscle training with aerobic training Absolute results not reported	Effect size +0.05 95% CI –0.34 to +0.43 P = 0.82		Not significant
Exercise capacity
[109] Systematic review	52 people with COPD 2 RCTs in this analysis	Cycling endurance 8 to 12 weeks with peripheral muscle training with no treatment Absolute results not reported	Effect size 0.87 95% CI 0.29 to 1.44 P = 0.004	Effect size not calculated	peripheral muscle training
[109] Systematic review	63 people with COPD 2 RCTs in this analysis	Cycling endurance 8 to 12 weeks with peripheral muscle training with aerobic training Absolute results not reported	Effect size –0.89 95% CI –1.82 to –0.36 P = 0.0008	Effect size not calculated	peripheral muscle training