نتایج جستجو برای: 70 of maximum heart rate
تعداد نتایج: 21270622 فیلتر نتایج به سال:
Background and purpose: The present study aimed at investigating the effect of a period of cardiac rehabilitation program with consumption of vitamin D on NO, ET1, VEGF, anxiety, and depression levels in cardiac patients after coronary artery bypass graft surgery )CABG(. Materials and methods: A clinical trial was conducted in 32 cardiac patients undergoing CABG surgery in Sari Fatemeh Zahra H...
The paper presents the results of research into the effects of body mass (BM) on basic physiological indicators of work capability among forestry workers. The indicators included the maximum theoretical heart rate, the maximum heart rate in exertion tests, and the basal energy expenditure. The effects of the deviation of the actual from the ideal BM values were analysed on a sample of 8 workers...
Enhancing the critical heat flux (CHF) of industrial boilers by surface texturing can lead to substantial energy savings and global reduction in greenhouse gas emissions, but fundamentally this phenomenon is not well understood. Prior studies on boiling crisis indicate that CHF monotonically increases with increasing texture density. Here we report on the existence of maxima in CHF enhancement ...
purpose : the present study was designed to evaluate the effects of aerobic and strength training on cardiac variables such as blood pressure, heart rate (hr), and metabolic parameters like cholesterol, high density lipoprotein (hdl), triglycerides and anthropometric parameters of obese women of punjab . methods: this study was performed as an experimental study, in which subjects were random...
Aims Few studies have examined the effects of various models of aerobic training on electrocardiogram (ECG). The purpose of this study was to compare the effect of continuous and interval aerobic training on ECG of active young girls. Methods & Materials The research method was quasi-experimental and 30 active young girls were selected from among physical education students (age=17.0±0.4 yr) ...
Analysis of the ST segment/heart rate slope during exercise testing has been suggested as a method of accurately predicting the presence and severity of coronary artery disease. Exercise tests were performed in 78 patients presenting with the chest pain to determine the maximum ST segment/heart rate slope. In 21 (27%) patients the ST segment/heart rate slope could not be calculated in any elect...
Background: Hospitalization in the coronary care unit (CCU) is a concern for patients and their companions. Different studies have presented conflicting results about the effect of visitors on physiological parameters of patients. The purpose of this study was to determine changes in physiological parameters (systolic and diastolic blood pressure and heart rate) due to presence of visitors at t...
Background and Objective: Aging is associated with increased free radical production. On the other hand, sports activities with the improvement of antioxidant system can reduce the damage caused by aging. This study was performed to determine the effect of the coantinus training (MCT) and high intensity interval training (HIIT) on antioxidant enzymes in the heart of old rats. Methods: This exp...
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