Aerobic fitness - your tonic.

<P> Term aerobic exercise by the United States, Dr. exercise physiologist KennithCooper first invented. .When you exercise, fitness, you will need more oxygen, your lungs inhale more oxygen, then the heart, blood vessels transported to various parts of the body, particularly movement of the muscles are going. .</ P> <P> the nation's largest health club "Bally total fitness" to aerobic fitness is defined as: large muscle movement, a repetitive, time can be up to 20 minutes of exercise. .</ P> <P> other words, you can insist on more than 20 minutes exercise is aerobic exercise. .Generally speaking, walking, running, cycling, aerobics, swimming, skating, jumping rope, etc., are aerobic training. .</ P> <P> Why aerobic exercise? </ P> <P> The main purpose of aerobic exercise are: continuously make your heart beat faster, that is, raise your heart rate, exercise your heart gets .This is aerobic exercise in the United States also called cardiovascular exercise because, while consumption of energy and aerobic exercise is an important means for the body of excess fat. .</ P> <P> regular aerobic exercise can make your body the ability to use oxygen increased. .Better physical health, the higher the ability of aerobic exercise, you also can exercise longer and more intense. .In other words, is often aerobic fitness, heart healthy, and better physical and mental qualities. .</ P> <P> aerobic fitness should pay attention to what? </ P> <P> each time before and after aerobic training, should have a warm and relaxed in two stages: the two phases can make your .Fitness safer and more effective. .</ P> <P> 1, warm-up (ie preparedness activities) </ P> <P> warm-up, generally refers to low intensity aerobic fitness to make their bodies better and better, body temperature slowly increased, .increased heart rate, breathing faster uniform. .Circulation more rapidly, so oxygen and nutrients will be transported to the heart and muscles, prepare for your campaign, after the warm-up activities to achieve the purpose of an important sign that the body began to sweat slightly. .Warm-up time of 5-10 minutes on it. .</ P> <P> a lot of people do not warm up in order to save time, directly into the high-intensity aerobic training, and if so, the cardiovascular system and lungs still have not entered the state, body temperature is relatively low, muscle flexibility .is bad, it is likely to cause injury. .</ P> <P> after another warm-up exercise, the feeling will be better, exercise time can be longer. .In other words, do not warm to the sport, you get more tired. .</ P> <P> 2, relax </ P> <P> relax and warm up the same role in the movement, blood circulation, blood volume also increased, particularly in parts of the limbs. .If you immediately stop the exercise, the blood will accumulate in the lower extremities and the heart caused by the extra burden. .</ P> <P> severely affected when the blood supply to the brain, and even dizziness and lightheadedness. .So after the exercise is achieved there should be 5-10 minutes of relaxation, that is, to gradually reduce exercise intensity, and slowly return to resting state. .</ P> <P> aerobic exercise several times a week? </ P> <P> on the fitness of the frequency, American College of Sports Medicine recommends exercise 2-5 times per week should be normal, if you have not fitness habits ., we must start from a small amount twice a week, then gradually increased to three times, four times. .</ P> <P> common mistake for beginners is to start the gym as enthusiastic and want to achieve the desired effect as soon as possible to exercise every day all of a sudden, the intensity of each exercise is also great, this often over-training, .a short time there will be fatigue, insomnia, excessive whole body aches and other symptoms. .</ P> <P> so he would stop. .In fact, we should recognize that fitness is a long habit, to have good health, life, should adhere to the gym. .Best shape and health, may be months or even years before they can do persist. .Step is the best option. .</ P> <P align=right> (internship Editor: He Lili) </ P>.