Patients were randomized to : 1 ) sequential resistance then aerobic training ( RT-then-AT ) ( 8 weeks resistance training followed by 8 weeks aerobic exercise training ) , 2 ) control group ( CE-then-AT + RT ) ( 8 weeks of ` sham ' training followed by 8 weeks concurrent aerobic and resistance training ) , 3 ) control group ( CE-then-AT ) ( 8 weeks ` sham ' training followed by 8 weeks aerobic training ) .