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Tuesday, February 24, 2009

Gymnastics


Gymnastics is a sport involving performance of exercises requiring physical strength, flexibility, agility and coordination. Artistic Gymnastics is the best known and most popular of the gymnastics sports governed by the Fédération Internationale de Gymnastique (FIG). Artistic Gymnastics typically involves the women's events of uneven parallel bars, balance beam, floor exercise, and vault. Men's events include floor exercise, pommel horse, still rings, vault, parallel bars, and high bar. Gymnastics evolved from exercises used by the ancient Greeks, that included skills for mounting and dismounting a horse, and from circus performance skills. Other forms of gymnastics are rhythmic gymnastics, various trampolining sports, and aerobic and acrobatic gymnastics.





Artistic gymnastics:




Artistic gymnastics is usually divided into Men's and Women's Gymnastics. Each group does different events; Men compete on Floor Exercise, Pommel Horse, Still Rings, Vault, Parallel Bars, and High Bar, while women compete on Vault, Uneven Bars, Beam, and Floor Exercise. In some countries, women at one time competed on the rings, high bar, and parallel bars (for example, in the 1950s in the USSR). Though routines performed on each event may be short, they are physically exhausting and push the gymnast's strength, flexibility, endurance and awareness to the limit.
Traditionally, at the international level, competitions on the various apparatus consisted of two different performance categories: compulsory and optional. For the compulsory event, each gymnast performing on a specific apparatus executed the same required routine. At the optional level, the gymnast performed routines that he or she choreographed. Nowadays, each country may use compulsory and optional routines at their discretion in the training of young gymnasts.






Women's events:-





Vault
In the vaulting events gymnasts: sprint down a 25 meter (about 82 feet) runway, jump onto a beatboard - a kind of springboard, (run/ take-off segment), land momentarily, generally inverted on the hands, on the vaulting horse or vaulting table, (pre flight segment), then spring or block off of this platform to a two footed landing (post flight segment). The post flight segment may include one or more multiple saltos or somersaults, and or twisting movements.
In 2001, the traditional vaulting horse was replaced with a new apparatus, sometimes known as a tongue or table. The new apparatus is more stable, wider, and longer than the older vaulting horse - approx. 1m in length and 1m in width, gives gymnasts a larger blocking surface, and is therefore safer than the old vaulting horse. With the addition of this new, safer vaulting table, gymnasts are attempting more difficult and dangerous vaults.



Uneven Bars
On the uneven bars (also known as asymmetric bars, UK), the gymnast navigates two horizontal bars set at different heights. The height is generally fixed, but the width may be adjusted. Gymnasts perform swinging, circling, transitional, and release moves,that may pass over, under, and between the two bars. Movements may pass through the handstand. Gymnasts often mount the Uneven Bars using a beatboard (springboard).





Balance Beam
The gymnast performs a choreographed routine from 60 to 80 seconds in length consisting of leaps, acrobatic skills, somersaults, turns and dance elements on a padded sprung beam. Apparatus norms set by the International Gymnastics Federation (used for Olympic and most elite competitions) specify the beam must be 125 cm (4' 1") high, 500 cm (16' 5") long, and 10 cm (4") wide. The event requires in particular, balance, flexibility and strength.





Floor
The floor event occurs on a carpeted 12m × 12m square, usually consisting of hard foam over a layer of plywood, which is supported by springs or foam blocks generally called a "sprung" floor. This provides a firm surface that will respond with force when compressed, allowing gymnasts to achieve extra height and a softer landing than would be possible on a regular floor. Female gymnasts perform a choreographed exercise 70 to 90 seconds long. In levels 4 and up, they can choose an accompanying music piece, which must be instrumental and cannot include vocals. In the United States, the other levels must perform a routine that is choreographed for them by USAG and these routines come with music. The routines of a female gymnast consist of tumbling passes, series of jumps, dance elements, acrobatic skills, and turns. A gymnast usually performs three or four tumbling passes that include three or more skills or "tricks". Elite gymnasts can have up to six or seven tumbling passes.
At the compulsory levels (1-6) gymnasts are judged on a scale of 10, but as they reach the higher levels, particularly levels 9 and 10, the gymnasts' start-values may vary depending upon a number of different factors such as skill level and skill combinations. Also, every skill has a letter grade describing its difficulty. At level nine, to reach a start value of ten, the gymnast has to acquire bonus points, which she can achieve by connecting two or more skills of a certain high level of difficulty.
Compulsory levels of gymnastics have choreographed routines, and all women competing at that level do the same routines. In the United States, compulsory levels go from 1-6; most gymnasts start at levels 1-4 . In optional level competitions, however, all routines are different and have different floor music. Optional levels in the U.S. include levels 7 - 10 (elite). The Olympics, and college level gymnastics are also optional. In the Olympics, gymnasts are considered elite level gymnasts, which is higher level than the U.S. level 10.









Men's events:-





Floor Exercise
Male gymnasts also perform on a 12m. by 12m. spring floor. A series of tumbling passes are performed to demonstrate flexibility, strength, and balance. The gymnast must also show strength skills, including circles, scales, and press handstands. Men's floor routines usually have four passes that will total between 60–70 seconds and are performed without music, unlike the women's event. Rules require that gymnasts touch each corner of the floor at least once during their routine.




Pommel Horse
A typical pommel horse exercise involves both single leg and double leg work. Single leg skills are generally found in the form of scissors, an element often done on the pommels. Double leg work however, is the main staple of this event. The gymnast swings both legs in a circular motion (clockwise or counterclockwise depending on preference) and performs such skills on all parts of the apparatus. To make the exercise more challenging, gymnasts will often include variations on a typical circling skill by turning (moores and spindles) or by straddling their legs (Flares). Routines end when the gymnast performs a dismount, either by swinging his body over the horse, or landing after a handstand.




Still Rings
Still Rings is arguably the most physically demanding event. The rings are suspended on wire cable from a point 5.75 meters off the floor, and adjusted in height so the gymnast has room to hang freely and swing. He must perform a routine demonstrating balance, strength, power, and dynamic motion while preventing the rings themselves from swinging. At least one static strength move is required, but some gymnasts may include two or three. A routine should have a dismount equal in difficulty to the difficulty of the routine as a whole.



Vault
Gymnasts sprint down a runway, which is a maximum of 25 meters in length, before hurdling onto a spring board. The body position is maintained while "punching" (blocking using only a shoulder movement) the vaulting platform. The gymnast then rotates to a standing position. In advanced gymnastics, multiple twists and somersaults may be added before landing. Successful vaults depend on the speed of the run, the length of the hurdle, the power the gymnast generates from the legs and shoulder girdle, the kinesthetic awareness in the air, and the speed of rotation in the case of more difficult and complex vaults.





Parallel Bars
Men perform on two bars slightly further than a shoulder's width apart and usually 1.75m high while executing a series of swings, balances, and releases that require great strength and coordination.





High Bar
A 2.4cm thick steel bar raised 2.5m above the landing area is all the gymnast has to hold onto as he performs giants (revolutions around the bar), release skills, twists, and changes of direction. By using all of the momentum from giants and then releasing at the proper point, enough height can be achieved for spectacular dismounts, such as a triple-back salto. Leather grips are usually used to help maintain a grip on the bar.
As with the women, male gymnasts are also judged on all of their events, for their execution, degree of difficulty, and overall presentation skills.

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