Effect of Aerobic Exercise on Cardiovascular Parameters in Untrained and Trained Subjects
Journal Title: Scholars Journal of Applied Medical Sciences - Year 2015, Vol 3, Issue 2
Abstract
Physical fitness is required not only by athletes for better performance but also by non-athletes in order to maintain good physical and mental health. The aim of the study was to assess the role of aerobic exercise on cardiovascular parameters among untrained and trained subjects. The study was conducted in the Department of Physiology, Dr. S.N. Medical College, Jodhpur after getting the ethical approval. Written informed consent was obtained from all the subjects included. A total of 200 male subjects were included. They were further divided in two groups. Group I included 100 randomly selected untrained male subjects (medical students) at the beginning of their training period. Group II included the same 100 healthy medical students, as in group I, but after their training period of 3 months duration and Group III included 100 randomly selected male trained athletes participating in city/district/state competition. The cardiovascular parameters measured were pulse rate (PR), systolic blood pressure (SBP), diastolic blood pressure (DBP), pulse pressure, mean arterial pressure (MAP), before and after training. Values obtained were compared with data obtained from athletes. Results were presented as Mean ± SD. For statistical analysis students –t test was used. The untrained group showed a highly significant (p<0.0001) improvement in resting heart rate, mean arterial pressure (MAP), resting systolic blood pressure, resting diastolic blood pressure, pulse pressure and post exercise fluctuation in all these parameters showed improvement except pulse pressure in untrained group after 3 months of aerobic exercise. Trained groups resting and post exercise (cardiovascular parameters) value were significantly less than untrained. A significance level of p< 0.05 was chosen. Thus, our finding showed that regular practice of aerobic exercise for three months improves cardiovascular functions by decreasing sympathetic activity or by increasing vagal tone in medical students. Keywords: Aerobic exercise, Medical education group, Cardiovascular parameters.
Authors and Affiliations
Sunita Choudhary, Jayant Kumar, Kamla Choudhary, Rajnee . , Sonika Choudhary, Raghuveer Choudhary
Keywords
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