Nine popular fitness views are right and wrong

With the development of science and technology, research on sports and fitness has been increasing, and some new ideas have replaced the old ones. In this regard, people who love fitness are often confused. In conjunction with the latest international research, interview authoritative experts, analyze and analyze the nine popular fitness concepts, and analyze them.  

1  
The most traditional concept of aerobic exercise is that aerobic exercise consumes the most heat, and many of the latest research results are just the opposite. The study found that practicing strength is more energy intensive than aerobic exercise. Strength training not only helps to strengthen the muscles, but also promotes metabolism better, and long-term persistence helps to burn fat. Studies have shown that even after 36 hours of strength training, the body's energy consumption process continues.  
2  
Exercise can reduce fat Although exercise can not prevent the accumulation of fat, it can consume body fat. Participating in a variety of energy-consuming exercises, supplemented by the right diet, can help reduce the body's fat content and make the body slimmer. Professor Robert Olson, a kinematics expert at Michigan State University, recommends that you exercise on areas that tend to accumulate fat, such as the buttocks and thighs, while not ignoring muscle training in other parts of the body. In addition, strength exercises for tendons are also important.  
3  
Stretching first, then running, studies have claimed that excessive stretching before running tends to stiffen the ligaments and is prone to injury, but still requires the joints and ligaments to be pulled apart before exercise. American physiotherapist Dr. Robert Maschi suggested that it is best to jog for 5-10 minutes before running, and then perform a less intense stretching exercise for 30-60 seconds.  
4  
Running Marathon is easy to get heart disease Canada May 2009 A study confirmed that the marathon does cause damage to the heart in a short period of time, but after a marathon break for 1 week, the heart function can return to normal without leaving any problems. Before taking part in the long-distance run, be sure to seek medical advice and receive adequate training before the game. After all, the biggest danger of running a marathon is that the amount of exercise exceeds the amount of training, and the heart is subjected to extraordinary loads.  
5  
Exercise improves learning ability and it sounds unbelievable, but exercise does improve learning ability. A new study from the University of Münster in Germany found that after running fast, the speed at which students master new words increased by 20%. Exercise is the best preparation activity before starting to learn, it can make brain cells active. Both aerobics and strength training are good for the brain, and more complex items such as tennis and football have better brain stimulation.  
6  
Practicing the abdomen, sit-ups, a lot of women practicing sit-ups, only exercise the muscles of the hip side, unable to train the core muscles of the abdomen. But to tighten the abdomen, you must exercise the deep abdominal muscles. In addition, sit-ups need to repeat the same action, not only monotonous, but also the effect is not obvious. Experts suggest that combining push-ups and supine legs can better exercise the core muscles of the abdomen, and exercising the buttocks also helps to reduce the belly.  
7  
Early morning is the best time to exercise. The best time to exercise is in the afternoon, not the morning. At 4-6 pm, the strength and body temperature of the muscles reached the optimal state of exercise. Breakfast and Chinese food have provided the necessary energy for the body. At this time, the body's endurance to pain reached its peak and the thinking was clearer. Of course, studies have shown that as long as you feel comfortable or form a habit, exercise in the morning or evening is not a bad idea.  

     8

The faster you lift, the more energy you consume, the more force you use, not the muscles. The speed of lifting too fast increases the risk of injury. The study found that although slow lifting is difficult and difficult to maintain, slow muscle training is 50% better than quick lifting. Therefore, the slower the action when lifting weights, the more heat is consumed. Experts suggest that the number is from 1 to 3 when it is lifted, as is the case when it is put down.  
9  
The key to a healthier and healthier diet is not just weight. Resting heart rate, blood pressure and blood lipids are also important indicators. Dr. Jimmy Bell, professor of molecular imaging at Imperial College, believes that the fat distributed in internal organs is the least healthy. This fat is common in people who lack exercise (whether fat or thin).

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