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Excerpt
The purpose of this study is to investigate the possible association between changes in regular physical activity (PA) and cardiopulmonary function. The study group included 9580 healthy subjects (1378 women and 8202 men) with an average follow-up time of 1.1 years). PA was measured twice during follow-up and subjects were classified as active (A: some routine of regular PA) or sedentary (S: no regular physical activity) at each time. Cardiopulmonary function measurements included treadmill time in minutes, forced expiratory volume in the first second (FEV1), and forced vital capacity (FVC). The results, controlled for age, gender and smoking, are shown in the table below and suggest that PA can improve treadmill time, especially in sedentary subjects. Though other studies have found that PA improves quality of life for subjects with low levels of FEV1/FVC, we did not find such an association, suggesting that PA may improve quality of life through other mechanisms.
