By inflating the chest, this training action can enhance the energy of the inspiratory muscles.
Scientific research on respiratory muscles and endurance shows that respiratory muscles, especially diaphragm, will feel tired during endurance release. This kind of fatigue will affect the work of resting muscles, and then reduce the exercise ability of trainers.
On the contrary, some training movements about diaphragm are very effective for trainers who want to exercise endurance. The diaphragm of athletes is thicker than that of ordinary people because of regular exercise. Breathing training is helpful to endurance training, so as to avoid improper influence.
pay attention to
(1) To do fitness exercises in winter, warm-up activities should be sufficient, especially outdoors. First, make full preparations for warm-up, and then carry out higher-intensity fitness exercises.
(2) The thickness of clothes should be suitable for winter fitness activities, and the head, back and feet should be kept warm. When you exercise outdoors, you should pay attention to keep warm. Don't stand in a windy place to blow after exercise. Go back indoors as soon as possible, dry your sweat and put on clean clothes.
(3) The environment should be clean and comfortable. When you exercise indoors, you must keep the indoor air circulating and fresh.
(4) Appropriate exercise methods In winter fitness, it is necessary to improve the intensity and intensity of exercise, increase the number and frequency of exercise, increase the content of aerobic exercise, and extend the exercise time accordingly, so as to improve the function, develop special qualities, consume body fat and prevent excessive accumulation of fat.
(5) Changes and adjustments should be made according to personal physique. For patients with cardiovascular diseases, strenuous exercise should be prohibited, and the amount of exercise should be gradual. Middle-aged and elderly people with respiratory diseases, such as chronic bronchitis, emphysema, asthma, cor pulmonale, hypotension, etc. Static muscle exertion should be avoided.