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Butterfly The shoulders must be kept on a level plane with the hips close to the water. The head enters the water before the arms, and the head is lower.
Entering the water, paddling outward and holding the water, paddling downward, inward, paddling up and moving arms.
To start, keep your knees bent and keep your feet together. Once your heels are above the water, bend your feet down to hit the water.
Breathe at the beginning of the paddling up motion.
Stroke the arm once and hit the leg twice.
Backstroke Keep your ears just in the water, your buttocks just below the water, your feet just above the water, and your head steady.
Entering the water, holding the water, paddling downward, paddling backwards, paddling down for the second time, resetting, moving the arm.
Alternate legs with your legs together up and down, your knees bent but not above the water.
Exhale as one arm moves, and inhale as the other moves.
One arm stroke and six leg strokes.
Breaststroke Keep your head and hips as high as possible, and keep your body in line with your chest.
Stroke outward, hold water, stroke downward, stroke inward, stretch.
Extension, leg tuck , leg push, leg push, leg clamp inside.
Breathe as you make a powerful inward stroke on your arm.
Make sure that the leg press is done with both arms extended.
Freestyle The body is as straight as possible, and the leg movement is just above the water.
Entering the water, stretching, holding the water, paddling inward, paddling upwards, moving arms.
Keep your legs together, don't bend your knees too much, and hit your legs down.
Breathe as you turn your head over your shoulders out of the water. There are light breaths and burst breaths.
Hit the leg six times and stroke once on each arm.
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Exam content: 1. Elementary content: basic technique 100m mixed swimming = 50m breaststroke + 50m crawl or backstroke.
Time requirements: 2min05s for men, 2min30s for women.
Teaching and guidance ability: familiar with water-based and breaststroke teaching.
2. Intermediate content: basic technique 100m mixed swimming (starting from the stage) = 50m breaststroke + 25m backstroke + 25m crawling.
Time requirements: 2min05s for men, 2min30s for women.
Teaching and guidance ability: breaststroke teaching, crawling teaching, backstroke teaching.
3. Advanced content: basic technique 100m mixed swimming (starting from the stage) = 25m breaststroke + 25m butterfly + 25m backstroke + 25m crawling swimming.
Time requirements: 2min05s for men, 2min30s for women.
Teaching and guidance ability: the ability to use training methods, butterfly teaching, turning teaching, and departure teaching.
Swimming is the skill of floating upwards under the buoyancy of water, and making the body move regularly in the water by virtue of buoyancy through regular movement of the limbs.
In the 60s of the 17th century, swimming activities were quite active in many parts of the UK. In 1828, Britain built the first indoor swimming pool at George Wharf in Liverpool, and this kind of swimming pool appeared in major cities in Britain in the thirties of the 19th century. In 1837, the first swimming organization was established in London, England, and the first swimming competition in Britain was held at the same time.
In 1896, swimming was included in the Olympic Games.
The highest organizing body for swimming is the International Swimming Federation, based in Lausanne, Switzerland. It was founded in 1908 on the initiative of the swimming associations of Belgium, Denmark, Finland, France, Germany, Great Britain, Hungary and Sweden.
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The swimming test standard for the high school entrance examination is 25 meters, and the swimming time should not exceed 35 seconds; 50-meter swimming time should not exceed 1 minute and 20 seconds; The 100-meter swim time should not exceed 3 minutes.
Swimming distance atmosphere 25 meters, 50 meters, 100 meters are available. Swimming styles are divided into freestyle, breaststroke, backstroke, and sidestroke. Candidates must swim the selected distance and reach the finish line within the allotted time.
Candidates must be proficient in swimming skills and master basic water self-rescue skills. It should be noted that the examination standards may vary in different provinces and cities, and the specific standards published by the local admissions department shall prevail. At the same time, candidates should make appropriate preparations in advance before taking the swimming test, such as warm-up activities, wearing suitable swimsuits and swimming goggles, etc., to ensure the smooth conduct of the swimming test.
Precautions for taking a swimming test
1. Practice swimming in advance: The content of the swimming test of the high school entrance examination includes 50-meter freestyle and 25-meter lifesaving, and candidates need to have certain swimming skills and physical strength. Therefore, before the test, you should practice swimming before the slide and master swimming skills and breathing techniques.
2. Dress appropriately: Candidates should wear appropriate swimming clothes and caps to avoid affecting swimming speed and safety.
3. Pay attention to warm-up and relaxation: Proper warm-up exercises should be carried out before the exam to prevent muscle strains and other sports injuries. After the exam, you should also take a proper relaxation and rest to restore your physical and mental state.
4. Pay attention to safety: You should pay attention to safety during the swimming test to avoid accidents. If the candidate does not know how to swim or is not proficient in swimming skills, he or she should have a professional instructor or lifeguard to conduct the swimming training and test.
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Precautions and preparations are these:
1.It is best to do a physical examination before swimming, and it is not suitable to swim if you have heart disease, high blood pressure, infectious diseases, sheep epilepsy, ** disease, eye diseases, etc. If you have a fever (armpit temperature above 37 degrees Celsius), whether your heart is beating too fast, whether you have enough sleep, whether you have diarrhea, whether you have a cold, runny nose and other physical discomforts, do not go into the water.
2.Do not swim when you are full or hungry, but rest for 1 or 2 hours after eating. It is also not advisable to swim after strong physical work or strenuous exercise, especially when the body is not sweating, it is not advisable to swim immediately, otherwise it will cause colds and cramps.
3.Carefully choose swimming places, river rapids, polluted water quality areas, rivers and lakes with unknown water conditions and unclear geographical environment are not suitable for swimming.
4.Before swimming, you should do gymnastics to warm up, and you should also shower to get used to the water temperature to eliminate the unfamiliarity of water in the water.
5.If you have leg or foot cramps while swimming, don't panic, push your legs or jump, or massage and pull the cramps vigorously, and call a companion for help.
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1.Do not play or chase by the sea, river, lake, river, reservoir, ditch, or pond without permission to prevent slipping into the water.
2.It is strictly forbidden for students to swim in the water without permission, especially for primary and secondary school students, who must be accompanied by an adult and bring a lifebuoy.
3.It is strictly forbidden for primary and secondary school students to go out fishing without permission, because fishing squats at the water's edge, the mud, sand and gravel at the water's edge are soaked in water for a long time, and become very loose, some water's edge has been soaked in water for many years and has a layer of moss, and it slides into the water as soon as it is stepped on, even if it does not slide into the water, there is a risk of being injured by falling.
4.When rowing in the park or taking a boat, you must sit well, do not run around the boat, wash your hands and feet on the side of the boat, and especially do not rock or be overweight when riding the boat, so as not to overturn or sink the boat.
5.When riding the boat, once you encounter special circumstances, you must stay calm, follow the instructions of the staff on board, and do not jump rashly. If someone is drowning, don't risk going into the water to rescue them.
6.In case of strong wind, rain, waves, or foggy weather, it is best not to take a boat or play on a boat.
7 .If you accidentally slip into the water, you should take a breath, slap the water, shout loudly, the people on the shore should immediately call for adult rescue, and find a long branch, bamboo, grass and vine nearby, so that it is easy to throw the person who falls into the water to catch, if there is no adult to rescue, the person on the shore should shout while immediately taking off their clothes, belts and picking them up and throwing them to the person who falls into the water.
8.Don't hold your breath in the water for a long time, it's easy to hold your breath and die.
9.If you are unfortunately drowning, when someone comes to help, you should relax your body and let the rescuer support your waist.
Please choose when your baby is in a good mood.
People finally came to this world with the help of their mother's body, and they must be happy. Don't choose to swim when your baby is crying, he will definitely respond to you angrily. Because the baby's crying must be uncomfortable, solve his and her problems first, and wait for the baby to be happy. >>>More
Before swimming - three taboos and two do's.
Three taboos. Avoid swimming on an empty stomach: Swimming on an empty stomach can easily cause hypoglycemia, causing swimmers to experience dizziness, fatigue and even fainting. >>>More
You should eat before swimming.
The principle of eating before swimming is: choose foods that are small in size, easy to digest and high in energy, and eat at least 1 hour before swimming, because just after eating, the blood of the whole body will flow to the stomach to help digestion, if you swim in the water at this time, the blood of the whole body will forcibly flow to the limbs, so that the blood supplied to the stomach will be less, and the things you eat cannot be digested well, so the stomach will be uncomfortable. Eat less, the stomach will feel comfortable, when exercising, you will not feel hungry, at the same time, exercise will speed up blood circulation, stomach peristalsis will also be accelerated, and there will be a small amount of food in the stomach, which will not cause discomfort. >>>More
When taking the exam, you should pay attention to: the exam should be calm and not nervous; Be cautious in answering questions; Don't panic in case of trouble; No discussion after the exam; Psychological preparation before the exam. >>>More
Don't forget to bring your ID or other valid ID; Moreover, do not take ** sex drugs one week before blood donation, ensure adequate sleep the day before, maintain daily habits, and do not do long-term strenuous exercise; Do not donate blood on an empty stomach, eat lightly, and do not eat high-fat or high-protein foods, such as fatty meat, fish, fritters, and no alcohol, during the first two meals of blood donation.