Randomised controlled trial of arm training in patients with COPD

INTERVENTION: Interventions: All subjects perform lower limb exercise training three times per week In addition subjects are randomally allocated to one of the following groups: Arm endurance training Arm strength training Arm endurance and strength training No arm training (Control Group) CONDITION: Chronic obstructive pulmonary disaese (COPD) PRIMARY OUTCOME: Peak and endurance arm exercise capacity capacity SECONDARY OUTCOME: Quality of life Upper limb strength INCLUSION CRITERIA: Diagnosed COPD (FEV1/FVC <70%).