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GYMNASTICS == ARTISTIC GYMNASTICS== RYTHIMIC GYMNASTICS== ACROBATIC GYMNASTICS == AEROBICS GYMNASTICS == TRAMPOLINE GYMNASTICS == TRAMPOLINE GYMNASTICS INTRODUCTION :
Trampolining is a competitive Olympic sport in which gymnasts perform acrobatics while bouncing on a trampoline. These can include simple jumps in the pike, tuck or straddle position to more complex combinations of forward or backward somersaults and twists.
There are three related competitive rebound sports, synchronized trampoline, tumbling (or power tumbling) and double mini-trampoline.
3.1 Individual trampoline
3.3 Synchronized trampoline
3.4 Double mini-trampoline (DMT)
4 Competition safety
6 External links
In the early 1930s, George Nissen observed trapeze artistes performing tricks when bouncing off the safety net. He made the first modern trampoline in his garage to reproduce this on a smaller scale and used it to help with his diving and tumbling activities. He formed a company to build trampolines for sale and used a variant of the Spanish word trampolin (diving board) as a trademark. He used the trampoline to entertain audiences and also let them participate in his demonstrations as part of his marketing strategy. This was the beginnings of a new sport.
In the USA, trampolining was quickly introduced into school physical education programs and was also used in private entertainment centres. However, following a number of injuries and lawsuits caused by insufficient supervision and inadequate training, trampolining is now mostly conducted in specialist gyms with certified trainers. This has caused a large reduction in the number of competitive athletes in the United States and a consequent decline from the earlier American prominence in the sport. Elsewhere in the world the sport was most strongly adopted in Europe and former Soviet Union. Since trampolining became an Olympic sport in 2000, many more countries have started developing programs and China's program developed World Champion athletes in less than a decade.
Main article: Trampolining terms
Competitive trampolining routines consist of combinations of 10 contacts with the trampoline bed combining varying rotations, twists and shapes with take-off and landing in one of four positions:
A routine must always start and finish on feet. In addition to the 10 contacts with the bed in a routine, competitors must start their routine within 60 seconds after presenting to the judges. They are also are permitted up to one "out bounce", a straight jump to control their height at the end of a routine, before sticking the landing. The trampolinist must stop completely - this means that the bed must stop moving as well - and they have to hold still for a count of 3 seconds before moving.
In competitions, moves must usually be performed in one of the following 3 basic shapes:
Tucked with knees clasped to chest by hands
Piked with hands touching close to feet and both arms and legs straight
Straddle legs creating a triangle with hands on ankles
A fourth 'shape', known as 'puck' because it appears to be a hybrid of pike and tuck, is often used in multiple twisting somersaults - it is typically used in place of a 'tuck' and in competition would normally be judged as an open tuck shape.
A straddle, or straddled pike is a variant of a pike with arms and legs spread wide and is only recognised as a move as a shaped jump and not in any somersault moves.
Rotation is performed about the body's longitudinal and lateral axes, producing twists and somersaults respectively. Twists are done in multiples of a half, and somersaults in multiples of a quarter. For example, a barani ball out move consists of a take-off from the back followed by a tucked 1¼ front somersault combined with a ½ twist, to land on feet. Rotation around the dorso-ventral axis is also possible (producing side-somersaults and turntables), but these are not generally considered to be valid moves within competitions and carry no 'tariff' for difficulty.
Trampoline skills can be written in FIG (Federation Internationale de Gymnastique) shorthand. FIG shorthand consists of one digit signifying the number of quarter rotations, followed by digits representing the number of half twists in each somersault, and a symbol representing the position of the skill. “/” represents a straight position, “<” represents a pike position, and “?” represents a tuck position. For example, 42/ is a back somersault with a full twist in the straight position, and 8- - ? is a double back somersault with no twists in the tuck position.
Programme cover from first World Championships showing Rob Walker outside Houses of Parliament
The first individual trampolining competitions were held in colleges and schools in the USA and then in Europe. In the early years of competition there was no defined format with performers often completing lengthy routines and even remounting if falling off partway through. Gradually competitions became more codified such that by the 1950s the 10-bounce routine was the norm thereby paving the way for the first World Championships which were organised by Ted Blake of Nissen, and held in London in 1964. The first World Champions were both American, Dan Millman and Judy Wills Cline (both pictured to the right together with members of the Household Cavalry at the closing ceremony). Kurt Baechler of Switzerland and Ted Blake of England were the European pioneers and the first ever televised National Championships were held in England in 1958.
Soon after the first World Championships, an inaugural meeting of prominent trampolinists was held in Frankfurt to explore the formation of an International Trampoline Federation. In 1965 in Twickenham, the Federation was formally recognised as the International Governing Body for the sport. In 1969, the first European Championship was held in Paris and Paul Luxon of London was the winner at the age of 18. The ladies winner was Ute Czech from Germany. From that time until 2010, European and World Championships have taken place in alternate years - the European in the odd and the World in the even. Now the World Championships are held annually.
In 1973, Ted Blake organised the first World Age Group Competition (WAG) in the newly opened Picketts Lock Sports Centre; these now run alongside the World Championships. Blake also used the first WAG as an opportunity to organise a World Trampoline Safety Conference which was held in the Bloomsbury Hotel, London, in order to codify safety concerns. There is also a World Cup circuit of international competitions which involves a number of competitions every year. There are also international matches between teams from several countries.
At first the Americans were successful at World Championship level, but soon European competitors began to dominate the sport and for a number of years, athletes from countries that made up the former Soviet Union have often dominated the sport. Germany and France have been the other strong nations in trampolining and the first four ranking places in World Trampolining used to go to USSR, France, Britain and Germany. In recent years, Canada has also produced Olympic medalists and World champions due in large part to contributions made to the sport by Dave Ross. Ross pioneered the sport in Canada almost 30 years ago and consistently produces Olympic and World Cup athletes and champions. Since trampolining became an Olympic sport, China has also made a very successful effort to develop world-class trampolinists, their first major success was in the 2007 Men's World Championship and later in both Men's and Women's gold medals and a bronze in the 2008 Olympic Games held in Beijing. Since then they have won both World Championships and several Olympic medals.
The International Trampolining Federation became part of the Fédération Internationale de Gymnastique in 1999. FIG is now the international governing body for the sport which is paired with Tumbling as the skill sets overlap. International competitions are run under the rules of FIG. Individual national gymnastics organizations can make local variations to the rules in matters such as the compulsory and optional routines and number of rounds for national and local competitions.
As part of the agreement to merge FIT with FIG, individual trampolining was accepted into the Summer Olympic Games for 2000 as an additional gymnastic sport.
The currently accepted basic format for individual trampoline competitions usually consists of two or three routines, one of which may involve a compulsory set of skills. The skills consist of various combinations of somersaults, shaped bounces, body landings and twists performed in various body positions such as the tuck, pike or straight position.
The routines are performed on a standard 14 foot by 7 foot regulation sized trampoline with a central marker. Each routine consists of the athlete performing ten different skills starting and finishing on the feet. The routine is marked out of 10 by five judges with deductions for incomplete moves, moving too far from the centre mark or poor form. Usually the highest and lowest scores are discarded. Additional points can be added depending on the difficulty of the skills being performed. The degree of difficulty (DD or tariff) is calculated by adding a factor for each half turn (or twist) or quarter somersault. Difficulty is important in a routine, however, there are differences in opinion between various coaches whether it is better to focus on increasing the difficulty of routines given that this usually results in a reduced form score or to focus on improving execution scores by displaying better form in an easier routine. A new development in senior level competitions in 2010 is to add a "Time of Flight" score to the overall score benefitting athletes who can maintain greater height during their routines.
The official world record DD for men at a FIG sanctioned event is 18.00, achieved by Jason Burnett of Canada on April 30, 2010 at the Pacific Rim Championships in Melbourne, Australia. He beat his own world record of 17.50 that he had achieved on April 2, 2007 at the Lake Placid, New York Trampoline World Cup. Burnett beat the twenty-year-old record of 17.00 by Igor Gelimbatovsky (USSR, 1986) and Daniel Neale (GBR, 1999). The top competitors usually perform routines with a DD of 16.5 or greater. In 2009 Jason Burnett completed a training routine with a DD of 20.6 at Skyriders Trampoline Place in Canada. The women's world record DD is 15.60 by Emma Smith (GBR). The top women competitors usually compete routines with a DD greater than 14.50. The women's synchronised trampoline pair of Karen Cockburn and Rosannagh Maclennan also of Canada completed a new world record DD of 14.20 at the same April 2, 2007 Lake Placid World Cup.
Female synchronized trampoline performance
In synchronized trampolining, two athletes perform exactly the same routine of ten skills at the same time on two adjacent trampolines. Each athlete is scored separately by a pair of judges for their form in the same manner as for individual competitions. Additional judges score the pair for synchronization. Fewer points are deducted for lack of synchronization if the pair are bouncing at the same height at the same time. The degree of difficulty of the routine is determined in the same way as for individual trampoline routines and the points added to the score to determine the winner.
Double mini-trampoline (DMT)
Double Mini-trampoline in a training gym
A double mini-trampoline is smaller than a regulation competition trampoline. It has a sloped end and a flat bed. The gymnasts run up and jump onto the sloping end and then jump onto the flat part before dismounting onto a mat. Skills are performed during the jumps or as they dismount.
A double mini-trampoline competition consists of two types of pass. In the one, which is known as a mounter pass, the athlete performs one skill in the jump from the sloping end to the flat bed and a second skill as they dismount from the flat bed to the landing mat. In the second, which is known as a spotter pass, the athlete does a straight jump from the sloping end to the flat bed to gain height, performing one skill while landing back on the flat bed and then a second skill as they dismount. These skills are similar to those performed on a regular trampoline except that there is movement laterally along the trampoline.
Double Mini-trampoline competitor
The form and difficulty are judged in a similar manner as for trampolining but there are additional deductions for failing to land cleanly (without stepping) or landing outside a designated area on the mat.
Main article: Tumbling (gymnastics)
Tumbling, also known as power tumbling, is an acrobatic discipline which combines some of the skills of artistic gymnastics on the floor with those of trampolining. It is practised on a 25-metre long sprung track. It was developed from tumbling performances performed by entertainers from very early times but as a sport is now codified, regulated and judged and performed using standardised special equipment.
Competitors perform two passes, each containing eight skills including twisting somersaults along the track ending in a 'dismount' skill. The dismounting skill is often another double or triple full or a double or triple back somersault, which can also include some extra twists.
Although trampoline competitors are highly trained, they are also attempting to perform complex manoeuvres which could lead to accidents and falls. Trampolines used in competitions have their springs covered in pads to reduce the chance of injury when landing off the bed. They also have padded end decks, which are the locations that athletes are most likely to fall off the trampoline. The rules for International competitions (updated by FIG in 2006) also require 200mm thick mats on the floor for 2 metres around each trampoline and for there to be four spotters whose task is to attempt to catch or reduce the impact of an athlete falling off the side of the trampoline bed. The floor matting rules are typically adopted by national bodies but not always in full; for example in the UK the requirement for National & Regional competition is still 2m but only of 20-25mm matting.
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