Jumaat, 22 November 2013

Throwing Missiles Athletics

Missiles



Throwing Missiles are field events in athletics. Historically, throwing missiles commenced since the Greeks again. However, the shot put competition was only introduced in the 17th century by English forces. when they hold a cannonball throwing competitions. The regulation includes setting the throw, weight throw missiles and techniques.

Throw technique commonly used in the throwing events ammunition is standing style, style sliding step, torque and styling O'Brien. O'Brien style is a popular technique throw up now. This style is named after Parry O'Brien, the American athletes who have introduced this throw in 1951.





Technique holds the missiles
  • Put a bullet in the base of the three longest fingers.
  • Try leaving a bit of all three fingers.
  • Make sure the bullet is not in the palm.
  • Take a bullet to the neck, down slightly from the chin.
  • Elbows pointing out the body with the base of the arm to a 45 degree angle with the body.

Skill Do Throw

O'Brien style throwing technique consists of four phases, the setup phase, the sliding phase, the phase of the throw and follow and peak phase.

Preparation phase
  • Standing at the back of the circle in a position ignores the throw.
  • Right knees bent to lower the upper body.

Throw phase
  • Turn the right foot anchored on the ball of the foot to the direction of the throw.
  • Torque waist, chest brought forward and lifted the body up.
  • Less missiles start with the shoulder, followed by a hand and fingers.
  • Both sides of the foot touch the ground during a missile thrown.
  • Torque waist, lift your shoulders and body in preparation for a force during hand straightened.
Follow-phase and peak
  • Right leg brought forward the circle and at the same time the left foot is moved to the rear to help balance the body hanging.
  • Exchange position of the foot can help transfer power.
  • Use your left hand for balance.
  • At the same time, lower the center of gravity by lowering the hips and shoulders.
  • Lower body allows the bullet to move long distances and produce more speed.
Sliding phase
  • the left leg is bent and the body is lowered in preparation for the sliding phase.
  • Kicked his left foot while the right foot back into the circle. Upper body is still low.
  • At the end of the sliding phase, the right foot is brought to the bottom of the body and the left foot is placed in front of the circle and kick left foot a force to slide.

Laws and Regulations throwing missiles
Laws and regulations in the shot put throwing circle cover size and weight of the bullet.
  • throwing circle must be in accordance with the specifications
  • bullet weight must be appropriate to the age level thrower.




Safety while throwing Missiles

More shot putter do the movement on the arms, shoulders, hips and legs. Therefore, attention must be given to the muscular strength, power and flexibility.

During a throw, the main muscles involved, such as the shoulder muscles, muscular arms and muscular thighs butts, susceptible to the injuries if safety precautions are ignored. other accidents to occur where such safety equipment, clothing, and do not throw attention.


Example of video;


 

Relay Run athletics



Relay 
Events relay is one of the track events which consist of a 4 x 100 m, 4 x 200 m and 4 x 400 m. However, the events relay 4 x 100 m and 4 x 400 m contest
almost in high school students.
Events relay requires four participants, the first runner, runner second, third runner and the fourth runner. A tool used in this event is the baton.

Relay Run
Implementation of events  4 x 100 m:
  • Each team consists of four runners.
  • All the runners run in designated lanes.
  • The first runner to run from the starting line as far as 100 m in the corner.
  • Second runner ran as far as 100 m after receiving the baton in a straight lane.
  • Third runner ran after receiving the baton as far as 100 m in the corner.
  • Fourth runner ran after receiving the baton as far as 100 m in the hallway straight through to the line.
4 x 400 m:
  •  Each team consists of four runners.
  • The first refugees ran down the hallway from the starting line.
  • Second runner , running after receiving the baton in each lane as far as 100 m and allowed to cut into the first lane to the end of 400 m.
  • The third and fourth runners ran after receiving the baton as far as 400 m in the first lane.
Dynamic
  •   Four runners in the lane track.
  •   Fourth runner in front, followed a third runner, second and first runners behind.
  •   For starters, all the runners run slow for the pace of giving and receiving the baton.
  •   Behavior of the activity is the same as static.
  •   Fourth refugee dropping the baton and will take the first runner back.
Running technique in the bend
In the event relay 4 x 100 m, the first refugees and third runner will run on the turn. therefore, the faster runners first and third run, the higher the centrifugal repulsion that exists within athletes. To offset the centrifugal force, the runner must:
  •   Tilt the body to the inside of the track.
  •   The left hand shaken as usual.
  •   Right hand shaken in cross.
Give and receive Baton

Training techniques to give and receive the baton
To facilitate the transmission and reception of refugees baton first, second, third and fourth, the training should be done:
  • Fourth quarter four runners lined up within one meter of each other.
  • The first runner behind the line followed by second runner in front, third and fourth.
  • The first runner holding baton in right hand, left foot in front of both legs flexible. Give the signal  to  the second runner, hands straight and unshakable.
  • Second runner receiving the baton in his left hand. right foot in front, both legs flexible. palms facing down. straight and not swayed hand-shake.
  • Third runner as the first runner action.
  • Fourth runner as the second runner action.
Laws and regulations on relay events 4 x 100 meters and 4 x 400 meters
features baton:
  • Tubular baton and has a smooth surface.
  • Baton made ​​of wood or metal.
  • Measuring between 28 cm - 30 cm in circumference between 12 cm - 13 cm. Furthermore heavy baton is not less than 50 g.
Conduct cancel the run:
  • Runners entered the hallway the other participants.
  • Give and receive the baton outside the exchange zone.
  • Throwing or tossing the baton after completing the run.

Intercept technique in (cut-in):
Second runner in the 4 x 400 m can be cut in as soon as the cut-in curve crosses marked with the flag as high as 1,50 m.

Exchange zone:
Baton exchange zone is over 20 m. Baton must be handed in within this zone.

Technique holds the baton:
Baton to be held throughout the run. if dropped, to be taken by runners who dropped it.


Example of video Relay run;