Characteristics and benefits of badminton

Badminton is a kind of indoor sport in which a long-handled net racket is used to hit a small ball made of feathers and cork. Badminton, as a national fitness sport, is loved by many people. Here I will talk about the characteristics and benefits of badminton. Welcome to read.

Characteristics of badminton

No matter in regular badminton competition or as a general fitness activity, we should keep moving, jumping, turning and swinging on the court, and reasonably use various hitting techniques and footwork to hit the ball back and forth on the court, thus increasing the strength of upper limbs, lower limbs and waist muscles, speeding up the whole body blood circulation of exercisers and enhancing the functions of cardiovascular system and respiratory system. According to statistics, the heart rate of high-intensity badminton players can reach 16-18 beats per minute, middle-intensity badminton players can reach 14-15 beats per minute, and low-intensity badminton players can also reach 1-13 beats per minute. Long-term badminton exercise can make the heart beat strong, the vital capacity increase and the endurance improve, including the exercise around the shoulders and the activities of the cervical spine, but too much exercise will lead to lumbar muscle strain.

Suitable for people

Suitable for men, women and children, and the amount of exercise can be determined according to the age, physique, sports level and the characteristics of the venue environment. Teenagers can take exercise as an effective means to promote their growth and improve their physical function. The amount of exercise should be moderate and the activity time should be 4-5 minutes. Moderate badminton can promote teenagers' height growth and cultivate their excellent psychological qualities such as self-confidence, courage and decisiveness. The elderly and the infirm can exercise as a method of health care and rehabilitation, and the amount of exercise should be small, and the activity time should be 2-3 minutes, so as to achieve the purpose of sweating, bending over and stretching joints, thereby enhancing the functions of cardiovascular and nervous systems and preventing and treating cardiovascular and nervous system diseases in the elderly. Children can exercise as an active game method, let them run and jump in the sun, and ask them to hit the ball, and cultivate their qualities of not being afraid of difficulties, suffering and being unwilling to lag behind. Badminton has a good mass movement foundation and mass popularity in China.

Advantages of badminton

1. Playing badminton makes people "quick-sighted and quick-handed"

Playing badminton can make people practice "quick-sighted and quick-handed", for the simple reason that when playing badminton, both sides should always observe the opponent's swing posture and the badminton flying at high speed, and their eyes will closely pursue the objects flying at high speed, so the ciliary muscles of the eyes will constantly contract and relax, which greatly promotes the blood circulation of the eyeball tissue, thus improving the ciliary muscles.

For ordinary badminton lovers, especially middle-aged and elderly people and people who use their eyes too much, if they can persist in playing badminton, their visual sensitivity will be obviously improved.

Second, playing badminton strengthens the heart and loses weight

Playing badminton requires players to keep moving, jumping, turning and swinging their feet on the field, which is a kind of whole-body exercise. Therefore, it can increase the strength of upper limbs, lower limbs and waist muscles, accelerate the whole body blood circulation of exercisers and enhance the functions of cardiovascular system and respiratory system.

according to statistics, the heart rate of high-intensity badminton players can reach 16-18 beats per minute, the heart rate of moderate intensity badminton players can reach 14-15 beats per minute, and the heart rate of low-intensity badminton players can also reach 1-13 beats per minute.

Long-term badminton exercise can make your heart beat strong and your vital capacity increase. At the same time, badminton is also very suitable for dieters.

In badminton, it is necessary to constantly use the strength of wrist and arm to hold and swing the racket, and to fully move the ankle joint, knee joint, shoulder joint, hip joint and other parts, so the exercise for the whole body muscles and joints is very sufficient.

Moreover, in the process of picking up and catching the ball, you will constantly bend over and raise your head, so that the muscles of your waist and abdomen are fully exercised. Keep playing badminton. After a period of time, you will find that your body is slim, your muscles are tight and your physical strength is improved.

Badminton court

The badminton court is square, and it is best to mark it with white or yellow lines. The lines are all 4 cm wide, and the 4 cm width of the center line is evenly distributed in the left and right service courts; 4 cm of the width of the front and back service lines shall be within 3.96 meters of the service area, and 4 cm of the width of all other sideline lines shall be within the specified field area. The net post should be placed at the midpoint of the sideline of doubles, and its height is 1.55 meters from the ground of the court. Overview of Badminton Technology Mastering the basic skills of badminton comprehensively, correctly, reasonably and skillfully is the basis and key to improve the technical level of badminton. A complete badminton technical movement includes five links: judging the position, starting the reaction, moving to the right position, swinging and hitting the ball, and preparing for returning to the position. However, for the convenience of narration and being beneficial to training, it is usually used to divide it into techniques and footwork to introduce it separately.

The badminton net

is made of high-quality dark natural or artificial fibers, with a mesh size of 15-2mm, a net length of 6.1m and a net width of .76m.. The upper edge of the net is sewed with a white cloth edge folded in 75mm, which is put on by ropes or steel ropes. The top of the center of the net is 1.524m away from the ground, and the posts at both ends are 1 away from the ground. 55 meters.

Badminton scoring rules

In official competitions, the best of three sets is adopted in each game. Each game is 21 points, and each ball is scored. The winner is the one who scores 21 points first. If the score reaches 2 points, either side must win by more than 2 points. If it is tied continuously, the winner will be the one who scores 3 points first.

badminton side picking rules

before the start of the game, both sides should decide the court or serve by throwing the side picker, and the winner has the right to choose first:

1. Serve first:

2. Do not serve first:

3. Choose the side. The loser chooses any of the remaining items.

Badminton serve violation rules

refer to the time interval from the first forward swing or throwing of the ball to the moment of hitting the ball. The following phenomena are illegal:

1. Over the waist. Any part of the ball is higher than the waist of the server at the moment of hitting.

2. passing. At the moment of hitting the ball, the top of the racket is not facing down, and the whole racket frame is not significantly lower than the whole hand holding the clap.

3. Not hitting the bat first. At the moment of hitting the ball, it is not the first to hit the ball support part of the feather.

4. improper behavior. Once the service is started, both sides stand in good positions. At this time, no player shall make any fake action, or intentionally hinder the opponent or delay the preparation time of serving or receiving the service, or attempt to take advantage of other improper acts (the forward swing action of the server shall not be interrupted).

5. The service direction is wrong. When serving, the server (including the receiver in doubles) does not stand in the service area where he should stand to serve or receive the service.

6. Wrong sequence. In doubles, the players who serve or receive the service do not serve or receive the service in the correct order.

7. Foot violation. When serving, the server or receiver must not step on the line, leave the ground with any foot or move. The server violates the rules and loses the right to serve. If the receiver violates the rules, the server will be awarded points. In addition, when badminton serves, the ball grazes the net and falls into the service area, which is still a valid ball.

badminton game continuity rules

from the first serve to the end of the game, except for the interval allowed by the rules (such as changing the court, taking a break five minutes before the start of the third game, etc.), the game should be continued. Under no circumstances are athletes allowed to pause or delay the game in order to recover their strength or catch their breath or receive off-court guidance (badminton games can only receive off-court guidance five minutes before the start of the third game). Badminton interferes with the speed of the ball. Without the permission of the opponent and the referee, the player shall not intentionally interfere with the shape of the badminton to affect its flying speed after hitting the ball, or use it as a reason to change the ball.

Rules of service orientation in badminton competition

In singles, when the score of the server is or even, both players should serve or receive the service from their respective right service courts; in odd numbers, they should serve or receive the service from their respective left service courts, and this order will not be affected in the rematch.

In doubles, the player standing in the right service court must serve from the right service court at the beginning of each round. Except that the first player who serves at the beginning of each game has only one right to serve, both sides will have two chances to serve in each round. Only after the serve is scored, the positions of the server players are exchanged. If the server makes a mistake, another player will serve for the second time or change the service without exchanging positions. The receiver keeps the original position all the time.

Badminton referee rules The referee in badminton matches consists of the referee, the serving referee, the linesman and the scorer.

Badminton referees rule the controller on the playing field and the decider of the final referee of the game facts.

before the start of the competition, the referee is responsible for collecting and filling out the scoring book from the referee (or the referee's team leader), and checking whether the height of the net and the posts of the net are correctly placed and whether the net is damaged; Whether the position of the linesman and the serving referee is appropriate; Assemble athletes, choose the side, serve first and the court; Leading athletes into the competition venue; Choose the ball for the game.

The match starts with the referee's ": ", and the referee should score points; Report points (first report the player's points, singles-when one side loses the right to serve, report "change the serve" first and then report points. Doubles-when the server loses the right to serve for the first time, report the "second serve" first and then score points); Also see if the ball falling near the line that is not taken care of by the linesman is in bounds; Sentence the violations of the receiver and receiver when serving and the violations of both sides during the game; Pay attention to avoid unnecessary delay in competition time, and have the responsibility to warn athletes, and if they continue to delay, they will be sentenced to violation; Correctly implement the choice of "rematch"; If foreign badminton or other people and things invade the competition area and affect the game, they should be sentenced to "re-serve"; When the game is unexpectedly interrupted, you should write down the scores at that time in the scoring book, and what is the position of the server and receiver in doubles and doubles; Correctly implement and remind athletes to exchange venues.

Badminton serve referee rules focus on the server's actions when serving, and have the final judgment. Generally, he sits on the low chair opposite the referee and is responsible for paying attention to whether the server's feet step on the line when serving. Whether the hitting moment is "over the waist", "over the hand" or "without hitting the bat first"; There is no improper behavior when serving. If there is any violation, you should immediately pronounce "violation" loudly and ensure that the referee can hear it.

The badminton lineman's rule has the final decision on whether the facts on the line under supervision are within or out of bounds. For example, if the ball falls out of bounds, no matter how far it is, it will be indicated by gestures (arms raised horizontally); If the ball falls within the boundary, point to the landing point on the boundary with the index finger of the right hand; If the line of sight is blocked, you should immediately raise your hands and cross them in front of your eyes, and the referee will make a ruling. If the referee doesn't see it, you should judge the serve again, not according to the opinions of the athletes or off-site personnel. All gestures should ensure that the referee can see clearly.