controlled descent down a slope reduces "more of the thought "the blood in the muscles. The research showed in particular that the "concentric movement" to walk uphill in mountainous terrain reduces fat and instead, the "eccentric movement" downhill walking decreases the level of glucose in the blood. Move to at least 6 mph regulates and strengthens the body's functions. It is always advisable to practice physical activity, the cheapest and is walking normally. Do it slowly fails as a showcase changes in the body, but if you do a top speed for 1 hour, in addition to toning your body will improve the functioning of the organs that become accustomed to resist fatigue and avoid burnout. Make walking a habit and that the benefits they offer better mental performance, increase bone reserves, extend the life optimizing body function and level of depression through the body toning. The exercise also strengthens the heart, as it unifies the behavior of the cardiovascular system and to breathe deeply decreasing the number of strokes per minute. Walking helps the digestive system grows the appetite and aids digestion. Also promotes restful sleep through relaxation of muscles. Exercise regulates arterial pressure, dilates blood vessels and purifies the blood by reducing the amount of triglyceride (glycerol and fatty acids) and bad cholesterol and increase good cholesterol.