Effects of UE Aerobic Exercise on Exercise Capacity and PA in Patients With Pulmonary Arterial Hypertension.

The treatment group patients will perform upper extremity aerobic exercises by using an arm ergometer under the supervision of a physiotherapist.

The control group patients will perform functional active alternating movements for the upper limbs at home involving three sets with 10 repetitions and a rest interval between 1- and 2-minute. Intervention will be for 3 times a week or 6 weeks.