Benefits and risk of exercises in old age..
The veterens now provide competition at local , national and international level for an increasing number of old athletes. However there is a certain risks associated with exercise for older people that can be minimized by adequate medical screening as well as an awareness of, and appropriate response to warning symptoms. BENEFITS OF EXERCISE Exercise benfits whole body as well as psyche. The most benefits found in cardiovascular system thats why exercise decreased morbidity, mortality, and symptoms, and reduce cardiac rehospitalization. Exercise increased the demand on myocardium improves oxygen utilization, dilates capillaries and improves the delivery of oxygen and other nutrients to the muscles. Inside the cells the number of mitochondria increases enhancing aerobic metabolism. Exercise tends to lower the resting heart rate and resultant increased diastolic time allows improved coronary blood flow.. Exercise lowers the blood pressure andreduce obesity, these two factors d