Özet:

There is a limited information about the physical activity level in asthmatics. The aim of this study was to determine physical activity level and the factors affecting physical activity level in asthmatic subjects. Forty five asthmatics (36 female, 9 male) aged between 18-65 years participated in study. Subjects’ physical and demographic characteristics were recorded. Physical activity level was assessed using International Physical Activity Questionnaire (IPAQ). Pulmonary function testing was performed. Exercise capacity was determined using six-minute walk test (6MWT). Heart rate, oxygen saturation, dyspnea and fatigue (modified Borg scale) were monitored during the test. Muscle strength was measured using a dynamometer. Quality of life was assessed using Nottingham Health Profile (NHP). According to the IPAQ, 17 (37.8%) subjects were inactive, 26 (57.8%) were minimally active, and two (4.4%) were health enhanced physically active. According to the results of regression analysis, age and NHP sleep score independently predicted IPAQ total score (R=0.522, R2=0.273, F(1-41)=7.315, p=0.002). Forced expiratory volume in one second and peak heart rate achieved during the test independently predicted IPAQ sitting score as an indicator of sedentary lifestyle (R=0.526, R2=0.277, F(1-44)=8.051, p=0.001). In conclusion, older asthmatic subjects with severe airway obstruction, weak muscle strength, low quality of life, and poor functional performance have a decreased physical activity level. Physical activity is an important component of asthma control and treatment because of the positive effects on asthma symptoms.

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