Figure 3From: A controlled study of community-based exercise training in patients with moderate COPD Changes in total weight lifted for individual subjects from baseline to completion of training. Total weight lifted per week is calculated as the product of load (kilograms) × repetitions × sets for two days in week one and two days at end of study. Diagonal lines represent individual changes. Horizontal lines represent group means and error bars are SEM (P < 0.001).Back to article page