2013年6月29日星期六

Butterfly

butterfly swimming butterfly technical breaststroke on the basis of technical movements evolved. When the breaststroke technology to the second stage of development, that is in the period of 1937-1952, in the swimming competition, some athletes from the water after using the paddle arms to the thigh, technology migration from the air, from the appearance, it seems butterflies fluttering wings, so people call it "butterfly. The butterfly is the final development of swimming in the four competitive swimming posture. Leg action resembles a dolphin, also known as the "dolphin". the butterfly also {body}

butterfly butterfly stroke

also be known as the butterfly stroke

edit this paragraph butterfly origin and evolution of butterfly is the youngest of the project in the four competitive strokes. Butterfly appeared in 1933, Americans Henry Mills the Brooklyn Youth Federation of game, first toward the front of the arms from the air, the feet do breaststroke kicking water action. And no individual butterfly events, but breaststroke game. Until after the 15th Olympic Games in 1952, was separated from the breaststroke and butterfly, so the official butterfly project. The separate butterfly and breaststroke, butterfly technologies has been developed rapidly. May 31, 1953, Hungary athletes George Dong Baker, First create a butterfly world record, his action is a cycle playing three legs. To the 1960 the butterfly formation of the three types of technology: First, his arms wide water, hit a leg, drag one leg; narrow arm stroke, the first kick, second kick light; high elbow stroke into the key-hole shaped arm water line, and the second hit the legs are heavier, effective water line, many elite athletes are using this technology. the edit this paragraph butterfly Profile in

1953 FINA regulations, breaststroke and butterfly separately from the game. Separate butterfly and breaststroke, butterfly became a separate event, the butterfly, the technology has been developing rapidly. Nearly 10 years ago butterfly are two arms at the same time draw fetch water twice. The this travel law 20 of 1972 Olympic Games 100 meters, the 200 meters butterfly world record creators butterfly M. Pitts technology representative. the early 1930s

20, some athletes in order to improve the speed of breaststroke, after paddling the arm from the water, his arms forward from the air placed into, look like butterfly wings, they have been known as a butterfly. The new swimming posture often as the same project and breaststroke, collectively referred to as overlooking the beach. Together for the game. Until 1956, the Olympics only then butterfly and breaststroke competition separately as a stand-alone project. Thereafter, in order to make the the butterfly technologies to rapidly improve and enhance the increase in the butterfly rules can kick up and down the provisions in the vertical plane, so as butterfly variants dolphin participate in the race to provide the basis. Dolphin named in imitation of dolphins swimming action.

half-moon of the caudal fin, swim into the use of the torso and the tail fin to do up and down the wave action to push the body forward dolphins swimming speed quickly. Dolphins swimming in a long time ago, there have been American athletes have been used in the 1930s the dolphin's technology to create good results, due to the time limit by the rules, was not included in the event. The rule changes, just a few years time the dolphins swimming instead of the kick butterfly. In 1957 Hungary athletes using G. Tumupeike, the dolphin a 1'3 "results to create the 100-meter butterfly world record in the history of the development of competitive swimming, can be said that there has never been such a development like dolphin so smoothly and rapidly. the butterfly kick

speed is the fastest one in competitive swimming, paddling force of its arms is also a competitive swimming, athletic performance is rapidly increasing, it may replace freestyle swimming posture and become the world's fastest, but it still fails to exceed the freestyle, the reason may be compared to its propulsion power and freestyle or uneven. arms while the water, although capable of producing great propulsion , but the shift arm speed decreased rapidly, the forward speed of this uneven inevitably consume more energy, affect athletic performance to improve further. since the 1950s, the United States, Hungary, Japan, Australia, the German Democratic Republic, the Federal Republic of , Sweden and other countries butterfly more prominent achievements, the current world record for the men's 100 meters (54 "15) is Swedish athletes create P. 阿尔维德松, the the 200 meters (1'58" 21) is an American athlete C. Bill Beardsley created the women's 100-meter (59 "26) and 200 meters (2'06" 37) are American athletes M. Mull maintain progress faster butterfly in the early years of China, in the early 1960s, the Chinese players to 100 meters 59 "achievements as six in the world. In recent years, the widening gap with world record.

edit this paragraph butterfly origin of the 1924 -1933 period, breaststroke greatest innovations in arms after the end of the water by the air forward instead moved forward by the water, but still use the breaststroke kicking butterfly

folder action, the breaststroke deformation - butterfly. 1936 FINA breaststroke rules are supplemented allow using the butterfly, breaststroke technology So butterfly replace breaststroke. Breaststroke technique in the 200-meter breaststroke competition of the 14th Olympic Games in 1948, only one person. in the 200-meter race

1952 15th Olympic Games, the athletes all the butterfly technical. Butterfly officially classified as a new project in 1952. The rules also allow the breaststroke swim water diving. Due to the small snorkel resistance, can give full play to the arm strength, speed, so almost all of the men's breaststroke athletes to the 1956 Session of the Sixteenth Olympics are long water diving breaststroke. Japanese athletes Furukawa

then create a new 200 meters world record score of 2 minutes and 34 seconds, The elite athletes the Mu Xiangxiong diving breaststroke to create a new world record. Sixteenth after the Olympic Games, FINA re-revised rules, announced the cancellation of "diving breaststroke departure and turned only allowed to do once the water and once tread water diving action prohibited in the entire run at normal water surface under the snorkel. So the water breaststroke been restored and new development.

butterfly is the youngest of the project in the four competitive strokes. Butterfly appeared in 1933, Americans Henry Mills the Brooklyn Youth Federation of game, first toward the front of the arms from the air, the feet do breaststroke kicking water action. And no individual butterfly events, but breaststroke game. Until after the 15th Olympic Games in 1952, was separated from the breaststroke and butterfly, so the official butterfly project. after the separation

butterfly and breaststroke, butterfly and technology has been developed rapidly. May 31, 1953, Hungary athletes George Dong Baker, First create a butterfly world record, his action is a cycle playing three legs. To the 1960 the butterfly formation of the three types of technology: First, his arms wide water, hit a leg, drag one leg; narrow arm stroke, the first kick, second kick light; high elbow stroke into the key-hole shaped arm water line, and the second hit the legs are heavier, effective water line, many elite athletes are using this technology.

separate edit this paragraph butterfly butterfly and breaststroke, butterfly and technology has been developing rapidly. Nearly 10 years ago butterfly are two arms at the same time draw fetch water twice.

this tour Act 20 of 1972 Olympic Games 100 meters, the 200 meters butterfly world record creators butterfly M. Pitts technology representative. Butterfly, the body prone in the water, relying on strong paddling arms and legs wavy fetch water action to push the body forward, there is no fixed posture

edit this paragraph summary of the basic structure of the dolphin kick butterfly arm action is the same as action, the main difference is that the leg movements. The tour kick butterfly, closing the legs resistance to affect the coherence of action and forward speed. Dolphins swimming with waves up and down the kick, coherent action, the forward speed is relatively uniform. The dolphin more advanced technology, is now used for the majority of Butterfly Swimmer. The basic movements of

modern butterfly (dolphin), palms turned to the side arms into the water and away, and then turned to the side under the water, and then maintain a high elbow position, the hand and forearm form a better water position and start from front to back, the water from outside to inside, is zoned to hypogastric elbow flexion maximum extent, his hands in close proximity. Then paddling back out to push the water end of the arm action. His hands inertial water by means of water on both sides of the thigh, and arms from the air around the semicircle forward to the front straight and into the water, into the water point shoulder width. Leg movements, legs together undulating up and down to fetch water. The kick down force by the torso, thigh sinking knee flexion, the calf and foot-oriented alignment water, and then forced backward and downward pressure water. When the legs and feet downward pressure water timely lift the thigh, a whip fetch water action, continuously push the body forward. Movements of the arms and legs of the butterfly with 1:2 water arm stroke, leg playing water play the first leg, the arm into the water, hit the arm of the water to the rear of the second leg, while payable to inhale. One of the technical characteristics of the modern butterfly swim body wavy. This other for swimming posture, is considered to be unreasonable. But the butterfly was the successful use of wave action to push the body forward. Because of this, once it was argued in a big wave in the butterfly swim into the action, and in history, some athletes have been successful. However, the technology development trend in recent years, many excellent Butterfly Swimmer small wavy swim into action.

butterfly body prone on the water, rely on strong paddling arms and legs wavy fetch water action to propel the body forward, there is no fixed posture

edit this paragraph action essentials butterfly formulas:

chest armpit pressure away from the 肘尖, abdomen hip, into the water, the iron law. the

side pressure the water, within the sweep of development effort, the back of the tiger leapt backswing bomb arm.

shrug thrown wrist, You Move wings gently low elbow masters.

legs from the leg drop from lumbar, state wavy snake, the first flag. The formulas Detailed:

Backstroke start

hands in Shoulder position into the water feet Qu, ready to start the next fight action, head slightly forward. Momentum counterassaulted arms, hands sinking, and muscle strength, so that the arm for the slash outside the program. Legs playing action began.

kick to complete the water to continue. Legs kick under the water reaction force caused buttocks uplift governance. Head start on mentioning.

paddle arms backwards down the maximum width, elbow elevation. Legs complete the first draw water action.

hands through the bottom of the body is 90 degrees, close contact.

when hand after shoulder below the elbow close to the body. Legs began to draw water. Swimmer neck began buckling, the head micro Shen in water. The arms lift-off of the water

the start Huishou action. Catch on legs, knee straight, head low, the counterassaulted action easier.

hands waving over shoulder, palm downward, elbow fully extended. The feet began flexor.

hands submerged in the water, the thigh playing at the same time as the next action. Increase knee flexion. The bipedal close out of the water.

when the first phase of the water, under the legs to play action near completion. Swimmer breath previous cycle at the the arm stroke start at the same time, for the exhalation operation. The rotation of the upper arm caused by the high elbow position. Edit this paragraph butterfly pose arm in

the technology arm of the water in the butterfly play a major role in the promotion. The technology of the water into the water and hold the water, the water and shift arm in several stages. The extension line of the arms in the shoulder into the water, the order in hand, forearm, upper arm, elbow last into the water. Arm into the water when you want to relax, do not pressure arm to shoulder press. Hand into the water after the butterfly

the position of the head and shoulders below the elbow. Arm into the water, with the inertia of the body forward, his hands continue outside the points, then hands and then turning within to do the hook hold water action, at the same time a little elbow, pull the shoulder muscle. At this point both hands the widest distance, the posture of the head before the formation of a good hold water. At this time, the forearm with the surface of the water about a 45 ° angle, start the water. Hand from outside to inside the bottom of the water, his hands draw the short distance to the bottom of the head. Some athletes program Zhijian below the nearest, about 10 cm. Then push back the water. Hand along the bottom of the chest and abdomen to push the water gradually separated by a distance, try to maintain backward position on the water. When the elbow close to the side of the body, his hands quickly outward rear push water to the elbow as a fulcrum to the end of the water, effluent and arm to move forward. With the end of the speed of the inertia of pushing water, elbow quickly hand from the water. Driven upper arm, forearm, shoulder, arm water by quickly moved to the front along the surface of the water. Move arm in arm should naturally relax, not to mention too high. Shoulder in a higher position. Arms more than shoulder shoulder began under the pressure, but the arm still send forward. torso and leg action in

kick your feet naturally close together, shoulder press hip to waist force to drive the leg back to the bottom of the whip kick action. Knees kick down slightly hip abdomen, to kick knee extension at the end of. Slightly very belly up to fetch water main force down to fetch water, about 40 to 50 cm away from the upper and lower range of motion in his legs.

breathing and with the technology when the arm into the water, with the nose and mouth uniform exhale. Push the water rise, hand Da mouth inhale water, the arm moves shoulder hold your breath. Legs arm with the essentials: the hand into the water first kick, second hand push water kick, push water end kick ended. Second kick knee flexion angle greater larger kick exertion.

butterfly body posture and other swimming, it does not have a fixed position of the body. The trunk of each part and head swim changing the relative position of each other. The head and torso are sometimes out of the water, sometimes into the water, and a change in position of the wave form up and down.

butterfly swim, based on the horizontal axis (waist) as the center, torso and legs do rhythmic swing point of the development effort in the waist and abdomen. Then drive leg thigh, legs together up and down the whip kick action. These actions and the operation of the head and the arm close contact with formed butterfly peculiar wave action, therefore the smaller the resistance of the body forward.

edit this paragraph butterfly butterfly Introduction butterfly technology is more than just swimming slow crawl technology. Leg action resembles a dolphin, also known as the "dolphin". of

butterfly technical:

, butterfly body posture butterfly

butterfly leg the technology

three, butterfly arm

, butterfly tie the technology

posture butterfly posture and other swimming, it does not have a fixed position of the body . The trunk of each part and head swim changing the relative position of each other. The head and torso are sometimes out of the water, sometimes into the water, and a change in position of the wave form up and down.

butterfly swim, based on the horizontal axis (waist) as the center, torso and legs do rhythmic swing point of the development effort in the waist and abdomen. Then drive leg thigh, legs together up and down the whip kick action. These actions and the operation of the head and the arm close contact with formed butterfly peculiar wave action, therefore the smaller the resistance of the body forward. fetch water when the

leg the butterfly

butterfly, legs naturally close together, heels slightly apart into "character", when the legs the previous draw water cycle kick down after the end of the feet at the lowest point, the knee extensor straight, raised above the surface of the water on the buttocks, hip flexor about 160 degrees (Figure).

then legs straight up move unfolding hip the hips sink (pictured). when the legs to continue upward,

thigh began under the pressure of the knee with the thigh under pressure, the action of natural bent, thighs down (pictured) continues to accelerate. increase in the degree of

with the knees, feet jumping close to the surface of the water, buttocks down to the lowest point, the knee bent at about 110-130 degrees, feet jumping up to the highest point, and accurate down to the rear draw water (Figure ).

kick down when the foot, ankle relax the foot Bengzhi, then accelerated with the thigh and lower leg backward and downward push water. Feet to continue to accelerate down the rear to fetch water, the action is not over yet, thighs and began to move up and down to draw with action that is the end, when the knee is fully extended, (pictured).

butterfly leg of fetching water action is completed, after the hip, knee, ankle and torso, spine action coordinated with the waist force. The direction of movement of the foot down and back, down larger than the magnitude of the backward (pictured).

push on to lift the knee must be straight, slightly bent, the back of the calf will generate a lot of resistance. In addition, the upward leg, do not be too hard, in order to reduce the resistance. The emphasis should be placed kick down the action kick, the legs kick down the speed should be about twice as much faster than the upward leg. The butterfly arm of

arm paddling action is the main factor to generate propulsive force, and relative to other postures is larger. Butterfly arm paddling arms into the water before the head, do the curves of the water along the sides of the body at the same time.

its technical aspects to be divided into several stages: into the water, hold water, the water, pushing the water and air shift arm. The the

butterfly arm into the water

into the water point is basically the extension line of the shoulders, his arms into the water at the same time. Into the water when the elbow slightly bent and slightly higher than the forearm, palm-leading, and about a 45 degree angle with the surface of the water, then turn driven arm and arm into the water. Into the water phase, due to the rotational motion of the lateral forearm, palm to the outside actively steering the outside (see figure). Butterfly

to hold water

arm into the water, hands and forearms continued external rotation stage into the hold water. Hold water, the direction of movement of the hand is outwardly - rearwardly - downwards. With external rotation of the forearm, palm outward side back into the backward direction (see figure), and then into the water phase.

the water

in arm into the water phase forearm and palm water on the surface of the water. Elbow to elbow to maintain a high position. Forearm supination movements and gradually increase the bent arm action is carried out at the same time, when the arms program Zhijian below, forearm and arm angle of about 90-100 degrees, when his hands zoned to hypogastric hands distance Recently (almost met), and then transferred to the underwater pull.

push the water

hands to do curved outward push water action when his hands from the nearest. The direction of movement of the hands outwardly - upwards - the backward direction. Push the front half of the water, the hands are larger backward movement of the weight, push the water line is relatively straight; the latter half of the push water, hand a larger outward, upward movement of the weight. Push the water, due to the internal rotation of the forearm, palm turned to the outside of the rear by the backward stroke.

the water and push water the palm movement routes there are three (see figure), which according to the individual's physical condition, the generally higher levels of athletes are first and second.

water butterfly

the push the inertia of the water when the arms push the water to both sides of the hip, elbow water. Elbow water action had already begun before the end of the push water. Arms push the water is not over yet, elbows has started to do the lift action, when the rear side of the palm outward (see Figure). shift the arm

when the end of the push water elbow water, his arms from the air forward, started to move the arm to the elbow and bend

air, palms up, elbows first hand the water, arms relaxed internal rotation, along the sides of the body The low flat parabola ago pendulum (see figure). Started to move the arm a little harder to centrifugal force, the use of the arm is put forward. Faster moving arms, otherwise it will cause the body to sink. with the technical arm and breathing in

the tie action

butterfly breathing underwater pull the rear of the water by means of arms, need rear muscles at the same time a significant stretch, the head raised above the mouth out of the water suction. The inspiratory faster, the head must arm back to its original position before entering the water, slow breath or a little breath holding breath.

butterfly breathing generally the water to breathe again, but in order to swim faster, but also can be used more than twice the water action, do it again breathing techniques. breathing with

arm leg (that is, complete with the action)

butterfly arms, legs, breathing with the ratio generally is 1:2:1, that arm movements, two leg movements, breathing time. Of course, in some cases, also has to do the N times butterfly

(N> 1), arm, leg tie do breathing techniques (Figure-arm leg twice with a breathing techniques). Twice hit the leg strength is generally the first light, the second weight, to be differentiated.

complete with the technology arms into the water first kick down (see figure below); the arm hold water when leg up (see below); thrashing with both arms to the abdomen under and started doing the second kick down the action, and the rise of suction. The kick push water at the end also end (see figure below). Shift arm when Tuiyou up ready to do the next cycle of the kick; transfer arm of the front of the head is still in the water, shift arm over the elbow of the body cross bow.

edit this paragraph butterfly points 1) the movement of your body to breathe, rather than head to catch up with the air breathing. If you looked up and stretched out your chin breathing would destroy the flow line of the body does not produce more power. And after the breathing process should make your head as much as possible in their natural state.

2) to launch your power forward. You back to the swing arm to feel your arms in the forward pop-up (to) the direction of the momentum pushing water rather than the direction of your feet.

3) earlier sinking and hold your hand. "We demand that the earlier hands sink so that her body like whips sweep hands as long as the center of mass of her body through a hands immediately into the ballistic-like arm swing back stage with your hands in your seize the water in front of the body, the farther the better. As long as your body is a sweep of his hands, and immediately let go and whipped his hands out.

4) in the process of moving the trunk to be fast and powerful, to speed up the afterburner, rather than ruthless kicks. You must feel your legs are dragging rather than take the initiative to kick.

keep back the low

butterfly pendulum arm technology is certainly not easy, but that does not not learn, as long as you keep in mind: the arm to try to move rejection rather than in order to climb out of the water to breathe. When you first hands butterfly butterfly three to four times breathing moment to recall the following key points:

1) close to the surface so that your shoulder, head and spine in a line left in its natural state. Your best to swim to the other side of the pond.

2) When you have completed the back swing of the arm movements, the arm in the direction of the water forward instead of down.

3) earlier sinking your hands, sweep to the direction of your chin. When your torso forward over your hands, immediately cut out (like karate action) to help eject hands. 4) led by the wrist and arm forward sweep, relax your hands and arms in the process of flying forward.

5) can be added once you smooth smoothly done prior to the impact arm stroke breathing. Use your body to breathe instead of your head. Head to keep slightly down look like breaststroke as the entire breathing process. Practice trying to hide your breath. Imagine personal observation you swim ashore, he found that as far as possible not you breathe. When to start learning to use the body rather than the head to breathe four to five under the arm may be designated to do a breathing. You may want an arm stroke time breathing without losing balance. As the QUICK said: "If you can breathe correctly, you should be able to do want to draw few breaths to draw a few breaths which can help you to finish the race well." Kiskiskis

edit this paragraph knowledge butterfly, also known as dolphin. More complex stroke technique, swim more effortlessly, teaching, generally arranged after the other three swimming styles. (A) of the torso and leg movements exercises:

purpose: to master the butterfly torso and legs wave action, learn the basis of the waist force is learning butterfly.

difficulty: wave action.

methods: (1) place standing straight arms on the move. Swing around the waist, imitate dolphin wave action, Ting, Qu, mention stretch, the coherence of the four actions. crawl fetch water of

(2) operating principle of the legs close together up and down at the same time draw water practice experience waist force, the rhythmic swing up and down, was the whip kick. The upward movements do not force too large and hard to press down on the water. the

error and correction:

(1) leg flexion and extension to fetch water, no waves. The reason: trunk did not participate in the action, only calf forced to fetch water. Corrective: trunk involved in the action, and strictly according to the very belly, knees, hip, knee extensor fetch water in order to do the action.

(2) is too large head, shoulder and downs. Cause: Action concept is unclear. Corrective relatively fixed: hands, head, shoulders, waist and hard drive the lower limbs to do the wave action.

(b) arms and breathing the teaching

purpose: to grasp the the butterfly arm movements with breath is to lay the foundation for the butterfly, the complete action.

difficulty: breathing action.

method: (1) arm movements: place opened, leaning forward, away from the support of about an arm distance, imitating butterfly his hands the shift arm movements and the water routes: two hands touch the thigh, inhale looked up, put the shoulder shift arm in the air (shoulder above the wrist, back of the hand forward, palm back), arms forward flat shoulder bow, hands air protrusive in shoulder extension cord "into the water", out into the water as soon as pronation elbow hold water (elbow at a higher position for the "S" type accelerate the water). The side push waterside elbow water by inertial force shift arm. arms and legs

(2) movement and breathing with: arm into the water feet hit the first water, arm paddling heels, arm stroke to below the belly button hair pushing water feet hit the second of water. (Ie a water action twice to draw water)

(3) hands, feet, with have a rhythm and twice forced the proportion of the first into the water to force 1 to 2 minutes; Second pushing water hard is the strength of 8 to 9 points, i.e. "1928" force method. the

error and correction:

(1) the water after the water transfer arm difficulties. The reason: water pushed weakness, pause, the palm upward fishing water. Correction: to push water palm backward, using inertia the elbow shoulder arm to move forward.

(2) straight-arm stroke. Cause: The concept is unclear. Correction: high elbow bent water, palm to the.

(3) of the hands, feet, with the out of touch. Reasons: arm into the water to stay too long, with the difference. Correction: arm into the water and then we should back the water, and the second kick.

(4) the torso no wave action, reasons: arm into the water when not actively bow hip. Corrective: arm into the water to be actively bow hip, the leg up playing the knee extensor

the purpose: a preliminary master swimming breathing, rhythm, process, adapt to the stimulus of head submerged in water, is an important means to eliminate afraid of the water psychological. difficulty

: mouth breathing, people accustomed to breathing with the nose, to change the habit is a certain degree of difficulty, mouth inhale, exhale mouth or nose of a chanted. ---- Closed suction ---- call to have rhythm, breaststroke, freestyle rise and bow purging time is 1:3 and 1:5, respectively. Inhale fast breath slow.

methods: 1, hands on the side of the pool, breath inspiration mouth ---- ---- and then slowly dipped his head under the water, like blowing December column, the exhaled air (but not finished call to call to make), and then rise mouth breathing,

2, skilled disposable

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