Benefits of Physical education
The Effects of Physical Exercise on the Human Body The benefits of physical exercise in humans far out weighs the harmful effects associated with exercise. A prescription of physical activity has been known to delay the onset or prevention of many chronic diseases. An improvement in heart function, lower blood pressure and improve functional capacity is noticed after just a few weeks of exercising. Physical activity will also result in an increase of lean muscle mass, promote weight maintenance, increased flexibility, and a generally stronger more fit individual. Conversely, exercise when preformed strenuously or obsessively it can counteract such positive effects. Bringing up some issues like oxidative stresses, injuries, and compulsive exercise disorders. The Cardiovascular response to exercise occurs quite quickly, during exercise oxygen is demanded in the muscles and the body uses more nutrients, metabolic process speed up, more wastes are created, and the body's temperature increases. With intense exercise hydrogen ion concentrations increase within the muscles and blood this results in an increased pH [16]. A study back in 1976 was done by researchers Hidetaro Shibayama and Hiros
If exercise is more exhausting than rejuvenating, this is a sign of an acute case of over training. National Centre for Chronic Disease Prevention and Health Promotion. Studies indicate that regular exercise helps keep arteries elastic keeping blood flowing and blood pressure low. Training can improve stroke volume but by no more then about 20%. The overall cardiovascular response to an endurance based conditioning program is an increase of maximal cardiac output (heart rate x stroke volume) [14]. Physical Activity and Oxidative Stress During Aging. Heart Rate tends to increase proportionally with intensity oxygen uptake [16]. Overtime one will notice many significant gains due to exercise and begin to feel more energetic, youthful, and be able to handle the daily demands of life.
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