How is the starting rule in swimming implemented?

Swimming departures are conducted and comply with the one or two departure rules, which apply to all swimming styles. The start-up law is one of many laws related to swimming, which is applied at sports tournaments and is an important rule that athletes need to follow.

How to start in swimming?

Swimmers start at tournaments with a variety of swimming styles such as freestyle, stride swimming, frog swimming, individual mixed swimming. In a prepared position, the athlete is in position when the referee “notices” the starting line, stands still and places one foot on the front edge of the starting platform. When starting, athletes following the long whistle of the referee will perform the jump into the water.

For a back and forward swim, the starting position must be performed underwater when the first long whistle of the umpire is awarded. When the referee blows the whistle for a second time, athletes should be ready to start with the prepare command. Then, when the entire athlete is ready, the umpire will issue the order.

In big swimming competitions such as the Olympic Games, World Championships and many other competitions, the prepare command will be shown in English “Take your marks” and be transmitted via loudspeakers. mounted on each starting platform. With loudspeakers, the rules of sound of loudspeakers must be loud enough and capable of repeating the voice commands to the opponent to return when an error comes.

Starting rule in swimming

The one-off rule stipulates that any athlete who comes before the verdict will be disqualified. In the event of a signal starting before the offending athlete is discovered, the race will continue and the offending player will be disqualified at the end of the tournament. In case if the originating signal is sounded after the violation is detected, the originating signal will not be transmitted again. At the same time, the remaining athletes will be reminded and refereed by the referee.

The double departure rule stipulates the behavior of starting before the signal of the tournament, all athletes will be reminded. After this reminder, any athlete who violates thereafter will be disqualified. In the event of a breach occurring after the signal has been generated, the tournament will continue and the offender will be disqualified after the race has ended. If the violation occurs before the starting signal, the remaining athletes will be called back and forth, reminded and replayed.

The departure signal will be repeated many times and the signal line will be lowered. In addition, when an error is discovered and affirmed by the Referee, he will blow the whistle so that the referee then blows the other signals and the signal line of the originating error is dropped into the water.

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The easiest swimming styles to learn for newbies

There are many types of swimming such as: butterfly, frog, dog, stray,… but there are many types of swimming that can help you have good health at all.

Here are the easiest swimming styles for newbies you can refer to to choose the appropriate swimming style when you first swim.

1. Fog Swimming

A swim that looks like a frog, when swimming, the swimmer’s hands and feet fan and push the water like a frog’s legs and arms are swimming. In frog swimming, the force of pedal water is greater than the force of pedal water and the speed of swimming will be determined by pedal technique. Want to swim frog well, you need to have a good coordination between hands and feet. Swimming frog is the most basic type of swimming, but slow swimming speed.

2. Stride Swimming

Also known as tummy swimming, the type of swimming requires the rhythmic coordination of the legs, arms and breathing the most. In stride swimming, the movements of two feet beating, two hands fanning the water and always reaching fast surfers to the water are performed continuously. The most important thing in swimming is to keep your body always floating on the water, when swimming your face should be straight with the bottom and the eyes perpendicular to the bottom of the tank.

3. Butterfly Swimming

A type of swimming on the chest, the movements of the hands are similar and symmetrical, combined with pedaling. In the sport of swimming, butterfly swimming is a type of swimming with a fluent combination of frog swimming and striding. Butterfly swimming is a difficult swim, requiring swimmers to have good technique and physical strength.

4. Backstroke

Backstroke swimming is almost like swimming, after practicing proficiency striding swimming you can practice backstroke. In backstroke swimming, hands are also rotating fan, foot is the reversal of stride legs, body tilted from side to side. Backstroke is considered to be the most difficult type of swimming and requires high accuracy in each movement in order to achieve success.

Swimming helps to increase height, the above article is about the easiest swimming styles for beginners, hope the article can help you. Good luck!

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Teach you how to learn to self-learning swimming

Swimming is a very familiar sport for each of us. Swimming will bring a lot of benefits for health, fitness and spirit. However, self-taught how to swim properly and not worry about tailwater is not known.

This article will teach you how to teach yourself how to swim and not worry about drowning.

Why do you learn to swim forever but still cannot swim?

Swimming is a water sport that combines the body, legs and arms so that swimmers can cross the water route at a certain speed.

Swimming is different from other sports because it is practiced underwater, so it is also difficult for beginners. Many people learn to swim but many of them have failed. Have you ever wondered why after the swimming process and still can’t swim?

The cause may be one of the following:

• You are not really focused

• You hurry, skip learning the basic steps

• You lack expertise, do not understand the nature of movements in swimming

• You refuse to learn and lack perseverance.

Self-taught swimming without drowning is no longer a difficult thing

Whether you want to learn to swim yourselves, learn to swim a butterfly or learn to swim a frog, your self-study will become easier when you overcome the causes that make it hard for you to swim like above and Most importantly, you must master the knowledge of self-taught swimming. This article will provide you with the unique knowledge about how to learn to swim stride properly without drowning.

Self-taught learning to swim is no longer difficult for each individual

Swimming, also known as tummy swimming, is considered to be the most popular swimming style in the world. Swimming is good for your health, so take the time to learn and learn to swim in the most efficient way.

Content of self-learning swimming

1. Practice your legs on the ground: Sit on the edge of the tank, lean back slightly, legs and feet stretched, raised and lowered continuously (pay attention to the legs must be straightened, practice for until you are fluent).

2. Practice scooping your feet upside down in the water: Your feet flake the back of your foot, your thighs move less. Note: you do not need to pedal too hard just pedal smoothly and comfortably.

3. Five clear techniques of hand fans: Different from self-taught frog, the goal of striding is to help the body glide over water rather than push water. How to fan your hands: imagine your hand as a paddle, your thumb must always touch the surface of the water before your hand out before and the same thumb must touch the thighs when your hand back.

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How is water sports good for health?

Do you know that water sports have many health benefits?

Let’s check it out!

Helps to lose weight

The first and most important motivation for anyone involved in this type of exercise is to lose weight. Water exercise can help you lose weight faster than exercise on the ground. Because the whole body underwater is exercised even if you target a specific body area.

Reduce the risk of chronic diseases

If you play water sports, all of your body muscles work simultaneously. This is very beneficial for the metabolism and makes the body have a healthy appetite. In addition, it helps to strengthen the immune system, thereby reducing the risk of a variety of chronic dangerous diseases such as impaired immune system function.

Increase muscle strength

As mentioned earlier, when you exercise under water, your body will be in balance and your muscles will be most active. That’s why all world-class swimmers have lots of biceps and calves.

Help strengthen bones

Instead of exercising in the gym or with a treadmill, play water sports. Movement such as sailing or other water sports (swimming, water polo, diving…) can improve women’s bone density after menopause. Therefore, they can avoid osteoporosis in old age.

Healthy nervous system

When you get into the water, cold water can really soothe your body so it becomes more relaxing and comfortable. Therefore, it is an exercise that can help you improve your morale and avoid conditions such as migraine, tension headache, chronic headache.

Water sports can bring many health benefits. Experts also assert that for all ages, the benefits of water sports are enormous. Therefore, parents often let their children begin to get used to the water from a very young age.

Building endurance

Lastly, water exercise helps build endurance and strengthen muscles. Water resistance is a natural way to build strength and strengthen muscles.

Some note:

– You should not swim when your body is hungry and should not swim immediately after eating.

– Do not swim after exercising excessively with other forms of exercise.

– Do not swim after drinking alcohol.

– Do not smoke before swimming.

– Must warm up the entire body before swimming.

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The physical effect of swimming for health

Swimming is a perfect sport and is useful for both mental and physical health.

Swimming is a perfect sport and is useful for both mental and physical health. The low impact of water helps to increase resistance to more than terrestrial exercises, and its cooling effect is good for the body.

Because of its low impact, swimming is suitable for people with limited mobility. The repulsion of water helps to reduce body weight, thereby reducing the pressure on the joints.

Swimming helps activate the whole body, especially the arms and legs, improves the internal organs, mainly the cardiovascular, nervous and muscular systems.

Swimming is the best way to burn calories. Depending on the type of swim and the intensity, swimming can burn the equivalent or more calories than jogging. With just 10 minutes of swimming, swimming frogs helps burn 60 calories, 80 calories when swimming backwards, 100 calories when swimming freely and 150 calories when swimming butterflies. In comparison, jogging for 10 minutes every mile burns about 100 calories. Butterfly swimming for 30 minutes, with high intensity, burns 150 more calories than a 5km run with the same time.

Unlike exercising in a dry air environment, swimming allows us to breathe moist air during exercise. Many studies show that swimming not only alleviates the symptoms of asthma, but also improves the overall health of the lungs.

Not only are there many benefits for heart muscle health, many studies also show that exercises like swimming can reduce inflammation that leads to atherosclerosis.

A lot of studies also showed  that swimming is one of the optimal options to help you stay healthy. Scientists from the University of South Carolina, USA, studied 40,547 men, aged 20 to 90, for more than 32 years, showing that swimmers reduced the mortality rate by 50% compared to those who jogging, walking or people who don’t exercise.

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History of swimming you need to know

Swimming is a movement within the water, usually without artificial help. Swimming is both a useful and entertaining activity. Swimming is often used when bathing, cooling, moving, fishing, recreation and exercising.

The most common purpose of swimming is to entertain. Recreational swimming is a great way to relax and practice your body as well. Many types of swimming are suitable for recreation. Most recreational swimmers prefer the swim style that keeps their head above water and restores their hands in the water.

Swimming appears from ancient times. Prehistoric drawings from southwestern Egypt demonstrate human swimming activities. Obviously, from ancient times, people must practice swimming because it is necessary for survival. Since then, swimming has come a long way.

England is the first country where swimming is recognized as a recreational sport and competition. In 1837, many competitions were held at artificial pools in London. The National Swimming Association in the UK holds many swimming competitions and they quickly became popular. The first indoor swimming pool in history was built in 1862 in England. Soon after, many pools were built and the UK Amateur Swimming Association was founded in 1880 with more than 300 member clubs.

Official sport at the Olympic Games

Swimming became the official sport at the Olympics in 1896 and was only for men. Athletes compete in the 100m and 1,500m freestyle events. Later, more content was added, including frog swimming, backstroke, butterfly swimming and individual mixes. Until 1912, swimming was only for women. There are 16 races organized for men and women, a total of 32, in each Summer Olympic Games. The Special Olympics also features 22 swimming categories for men and women, a total of 44 events.

Changes to the speed of swimming

Changes in backstroke and frog swimming took place between 1935 and 1945 and in the 1950s caused controversy at the Olympics. Also during this period, war shortages significantly reduced the amount of fabric used to make swimwear. Therefore, the first two-piece swimsuit was invented in 1943. The technique to win the Olympic gold medal changed at this time when athletes swam under the water longer to gain an advantage in speed. This technique is still in use today.

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Great benefits from diving that you should know

Scuba diving is a bit of a fun and exciting sport. Not only enjoying a fun time, scuba diving also brings a lot of benefits to your health.

Diving is good for your heart because it can increase your heart rate and strengthen your heart muscle. This will help you prevent coronary heart disease, heart failure, high cholesterol and hypertension. Scuba diving can also help you improve better blood circulation.

Improve breathing

Scuba diving can help you maximize your oxygen uptake. It can enhance your breathing and is a very good breathing exercise. So, if you want a healthier respiratory system, then you should try scuba diving.

Increase power

Scuba diving can help you get in shape and tone your body. It also enhances endurance, flexibility, overall strength and can help you improve hand-eye coordination. Moreover, you will burn more calories when diving, if you want to lose weight.

Good for joints

Diving can be beneficial for people with joint pain, stiffness and obesity. It can help you improve the mobility of the joints.

Reduce stress

There are many factors that can make you stressful and harmful to your health. You will reduce stress and anxiety when diving. Scuba diving is considered a breathing exercise that has the same effect as meditation so it will help you relax and calm down.

More supple

When muscles and joints are stiff, you will have to both exercises and suffer injuries. So flexibility and flexibility are important for a healthy body. Performing various pushes and pulls in the water will naturally increase your range of motion, helping your body more supple. In general, underwater exercises help you improve flexibility, muscle strength and also reduce the percentage of body fat.

Improve heart health

Soaking your body in water lowers your heart rate by up to 17 beats per minute. The pressure of the water causes blood to circulate throughout the body. As a result, your heart will not have to work so hard when you exercise. Moreover, water exercise is also a way to increase cardiovascular endurance. The Asian Journal of Sports Medicine in 2010 pointed out that aerobic exercise for 10 weeks will help reduce high blood pressure. This is an appropriate way to control blood pressure for overweight and elderly people with joint or respiratory problems.

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6 reasons you should try water sports

Underwater training not only helps you stay in shape, but also a secret to keep the workout fun and enjoyable. If you can not be patient with popular subjects such as gym, jogging, jumping rope,… then try water exercise.

Water sports bring a lot of unexpected benefits to your health.

1. Reduce anxiety

Water exercise stimulates the brain to release endorphins that make you feel happy. In addition, these exercises increase oxygen to the muscles and regulate breathing. In a study of two groups of participants: A group of muscle movement (including walking, jogging, strength training, swimming and relaxation), a group of stretching exercises, showed both groups had reduced saliva cortisol and low anxiety levels.

2. Burn fat and stimulate muscle growth

If you think practicing water is not as effective as on land, then you are wrong. Underwater exercises have a huge impact on increasing muscle mass and burning fat. When you practice cycling exercises underwater, you will achieve the same results as using a normal treadmill.

3. Pain relief

You will have difficulty exercising on the ground if you have arthritis or joint pain. The impact of ground exercises can make your condition worse. Water exercise reduces pressure on your joints and helps you improve your fitness without pain. In fact, water training has been scientifically proven to reduce pain in patients with arthritis and people with disabilities. If you have joint problems or are recovering from an injury, sign up for an underwater fitness class.

4. More supple

When muscles and joints are stiff, you will have to both exercises and suffer injuries. So flexibility and flexibility are important for a healthy body. Performing various pushes and pulls in the water will naturally increase your range of motion, helping your body. more supple. In general, underwater exercises help you improve flexibility, muscle strength and also reduce the percentage of body fat.

5. Improve heart health

Soaking your body in water lowers your heart rate by up to 17 beats per minute. The pressure of the water causes blood to circulate throughout the body. As a result, your heart will not have to work so hard when you exercise. Moreover, water exercise is also a way to enhance cardiovascular endurance. The Asian Journal of Sports Medicine in 2010 pointed out that aerobic exercise for 10 weeks will help reduce high blood pressure. This is an appropriate way to control blood pressure for overweight and elderly people with joint or respiratory problems.

6. Don’t get bored with the practice

If you’re too fed up with your current workout routine, mix some days of water exercise to keep you mentally refreshed. Changing the training environment is also one of the factors that prevents you from losing interest and determination with the workout schedule.

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Benefits of swimming effect on the development of the body

Swimming is a means to train the body to adapt to the changes in the external climate, thus preventing colds.

People also use swimming to cure a number of physical diseases such as hunchbacked, curved “C” forward and backward of children. In addition, the joint stiffness caused by broken bones, swimming is also an effective means of curing.

Swimming practice has a great effect on the development of the central nervous system, making the vestibular system well developed.

Swimming practice has a great influence on the development of the circulatory and respiratory systems. Those who practice swimming often have their heart contractions stronger than normal people, their heart rate increases, so their heartbeat rate at quietness is only 60 to 46 times/minute. Blood flow in a minute can increase from 4.5 liters at normal to 35-40 liters during exercise.

Swimming is also beneficial for developing the ability of the respiratory system to work, because when swimming the athlete breathes in the rhythm of the hand movements, each swimming cycle takes one exhalation and one inhale. Swimming can consume a lot of energy, so the demand for oxygen is huge. Therefore swimmers have to breathe deeply. On the other hand, the pressure of water into the chest, when exhaled, must be strong and positive. So the athlete’s respiratory muscles are very developed, their living capacity is very large (from 6-7 liters), while the living capacity of non-swimmers is 3.4 liters (of men) and 2.4 liters (for women). Young swimmers of our country after 2 years of swimming practice, the living capacity reaches 4.5 liters (for men) and 3.8 liters (for women).

Swimming practice also has the effect of comprehensive physical development such as strength, strength, endurance, flexibility, dexterity and ability to coordinate movement. Swimming itself is a sport that develops fully. Participating in swimming practice not only creates a habit of domestic activities but also to develop a balanced body.

Swimming is a sport of great practical significance in the production and combat life of our people. Due to the mobility requirements on the battlefield, due to the requirements of infrastructure construction, transportation network, the requirement of improving productivity, bringing science and technology into the field of agriculture, forestry, etc. Each of our people lives in a tropical country, surrounded by rivers and lakes, especially extremely harsh nature, every year, storms and floods often occur that require swimming.

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American swimming legend Michael Phelps swims with white sharks

Recently, in a challenging race off the coast of Cape Town, South Africa, former swimmer Michael Phelps lost to the white shark only 2 seconds.

The race between Michael Phelps, a 32-year-old former athlete who holds the record for most Olympic medals of all time and has the nickname “Super Fish”, with dangerous white sharks within 100 meters of the TV channel. Discovery organization. This is part of the channel’s “Shark Week”, which aired on July 23. Race to find out the shark’s swimming speed limit.

Phelps, when competing, are equipped with a special swim suit, designed with the most modern technology available today, structured like a shark’s skin and a propeller modeled like a shark’s tail to increase speed. For safety reasons, Phelps and the white shark competed one after the other, then the image was processed to make it look like a real race between humans and animals.

However, although Phelps has significantly improved the swimming speed thanks to advanced technology suits, from an average of 2.6 m/sec to about 4 m/sec, it is still not possible to compete when white sharks have swimming speed. Maximum measured up to 11.1 metres per sec. Phelps only played on par with the white shark at the starting point, in the last 30 m, he was completely competitor. After 100 meters of competition, Phelps reached a record of 38.1 seconds, while the white shark was 36.1 seconds.

Phelps asked to race in warm, less windy and more similar conditions instead of at sea, and swim in turn for safety reasons. Discovery Channel plans to host another race as required by Phelps. “I am overwhelmed by the speed of swimming of the shark in the water as well as its size”, said Phelps. However, if swimming in warmer waters, I think I will improve the maximum speed from 4 m/sec to about 6 – 7 m/sec. With this condition, the shark may not reach the speed it is at sea and I may have a chance of winning it”.

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