While the patients in the control group received no exercise intervention, the study intervention for the subjects in the upper limb exercise group consisted of strengthening exercises thrice weekly for one month — twelve thirty-minute sessions in total. All sessions were held by the second author in the cardiopulmonary rehabilitation center of Velayat hospital.In each session, the patients’ vital signs and arterial oxygen saturation were monitored and then, they sat on chairs to perform light upper limb warm-up exercises for five minutes, light upper limb strengthening exercises using one- or two-kilogram dumbbells for twenty minutes, and cool-down exercises for five minutes. Initially, the participants watched each strengthening exercise done by the first author and then, they did it ten to twelve times with 2–3 minute rest intervals during the exercises. The patients were allowed to repeat the exercises according to their preferences and abilities. Finally, their vital signs and arterial oxygen saturation were re-monitored at the end of each session.
While the patients in the control group received no exercise intervention, the study intervention for the subjects in the upper limb exercise group consisted of strengthening exercises thrice weekly for one month — twelve thirty-minute sessions in total. All sessions were held by the second author in the cardiopulmonary rehabilitation center of Velayat hospital.In each session, the patients’ vital signs and arterial oxygen saturation were monitored and then, they sat on chairs to perform light upper limb warm-up exercises for five minutes, light upper limb strengthening exercises using one- or two-kilogram dumbbells for twenty minutes, and cool-down exercises for five minutes. Initially, the participants watched each strengthening exercise done by the first author and then, they did it ten to twelve times with 2–3 minute rest intervals during the exercises. The patients were allowed to repeat the exercises according to their preferences and abilities. Finally, their vital signs and arterial oxygen saturation were re-monitored at the end of each session.
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