How many meters does it take to swim?
1. How many meters does it take to swim?
Swimming is good exercise. How many meters is suitable for swimming every day? This depends on personal circumstances. According to the regulations of the Swimming Association of the International Medical Association, the swimming distance required for healthy swimming is:
10 ~ 1 1 500 years old? 600 meters
12 ~ 13 years old swims 750 ~ 800 meters.
14 ~ 50 years old swimming1000 m.
Swimming 750 ~ 800 meters at the age of 50 ~ 60.
Swim 500 ~ 600 meters at the age of 60 ~ 70
/kloc-swim 300 ~ 400 meters before 0/0 and after 70.
For your own health, don't swim too fast, but do it under the condition of making your body comfortable.
2. Does the baby swim well?
2. 1, the baby often swims, which can improve the function of respiratory system. Due to the pressure of water on the chest corridor, intercostal muscles are exercised, the ventilation of alveoli is increased, and pectoralis major and pectoralis minor muscles are exercised and strengthened by exercise.
2.2. When the baby swims, the pressure of water on the chest can increase the vital capacity.
2.3, the baby's swimming process will also improve the function of the brain, so that the baby's brain's ability to respond to the external environment is accelerated and its intelligence is well developed.
2.4. The buoyancy of water and the flapping of water waves and water pressure on the skin can massage the peripheral blood vessels and make the baby's heart get better exercise;
2.5, swimming can also improve the baby's immunity to cold and disease, accelerate growth and development.
2.6, baby swimming can promote the secretion of hormones, help food absorption, increase gastrointestinal peristalsis, can increase weight and promote the baby's high-quality growth and development.
3. It is best for a baby to swim after three months.
Generally speaking, it is best for a baby to swim after three months. At that time, all the organs of the baby's body were fully developed, and too young babies were easily invaded by germs in crowded places, causing the baby to get sick. In addition, it is best for mothers to take their babies to hospitals or infant swimming pools with perfect medical and health care systems, where there will be professional disinfection facilities and nursing staff. When the baby has an emergency such as suffocation, it can respond in time, which is more secure for the baby's health.
How long does it take to swim once?
1, healthy swimming
The best time for healthy swimming is 20 to 45 minutes each time. Don't be greedy, prolonging time will affect your health. In addition, if you swim in the swimming pool, your body will get sick due to chlorine invasion due to long-term immersion in water. Most tap water used in modern cities is disinfected with chlorine. Therefore, people are directly exposed to chlorine when swimming, and these substances will evaporate from the water and be directly absorbed by the skin. Generally, the absorption of chlorine within 20 minutes has little effect on human body, but with the increase of time, it may lead to human illness.
2. Recreational swimming
Recreational swimming usually refers to summer swimming and occasional happy swimming, which is common in teenagers or young people. Swimming is a popular leisure sport, especially in summer. Many people like to soak in the swimming pool for half a day, thinking that the longer they swim, the more they can exercise and cool down. Swimming in water for a long time, especially in very cold water, is not necessarily good for your health. The time of recreational swimming should be controlled within two hours at a time, and the training of athletes is generally only about two hours.
When is the best time to swim in a day?
It is best to exercise at 7 am, 3 pm and 9 pm.
7: 00 a.m.: At this time, the human body has the strongest immunity and can already do exercise.
At 8 o'clock in the morning: After the body has rested, the liver will enter a state of full work.
9: 00 am: People's interest is gradually rising, and their hearts are full of work. At this time, they can do sports.