Rules of Longjump
The long jump is a track and field event in which athletes combine speed, strength.
1. The approach
The objective of the approach is to gradually accelerate to a maximum controlled speed at takeoff. The most important factor for the distance traveled by an object is its velocity at takeoff both the speed and angle. Elite jumpers usually leave the ground at an angle of twenty degrees or less; therefore, it is more beneficial for a jumper to focus on the speed component of the jump. The greater the speed at takeoff, the longer the trajectory of the center of mass will be. The importance of a takeoff speed is a factor in the success of sprinters in this event.
The length of the approach is usually consistent distance for an athlete. Approaches can vary between 12 and 19 strides on the novice and intermediate levels, while at the elite level they are closer to between 20 and 22 strides. The exact distance and number of strides in an approach depends on the jumpers experience, sprinting technique, and conditioning level. Consistency in the approach is important as it is the competitors objective to get as close to the front of the takeoff board as possible without crossing the line with any part of the foot.Inconsistent approaches are a common problem in the event. As a result the approach is usually practiced by athletes about 6 8 times per jumping session (see Training below).
1 B1 and 2 athletes are allowed to use a guide in competition; however, with few exceptions, they must furnish the guide.As the blind runner crosses the finish line or enters the relay exchange box in the relay, the guide must be behind the athlete.
2 The method of guidance is the choice of the athlete. He or she may choose to use an elbow lead, tether or to run free. In addition, the runner may receive verbal instruction from the guide. Bicycles or other mechanical means of transport may not be used by guides.
3 At no time may the guide pull the athlete or propel the athlete forward by pushing. Infringement of this rule shall lead to disqualification.
4 Whether or not a tether is being used, the athlete and guide shall not be more than .50m apart at all times.
3. Access to Competition Areas
1 Only escorts or guide runners for B1 and B2 athletes will be permitted to accompany competitors onto the track or into throwing and jumping areas. Those persons acting as guides or escorts must be clearly identified.
2 Competitors in the B1 triple jump and the B1 long jump may use a caller to provide acoustic orientation during the approach run and a guide to assist in positioning the athlete on the runway.
3 B2 athletes for jumping events may be accompanied to the competition area by only one person, who may serve as caller and or guide. No additional persons will be permitted in the competition area.
4. Jumping Techniques
To excel in the event of long jump, an athlete needs a combination of speed, power and swiftness. The longer the athlete jumps, the longer he will be able to jump.
5. Top Performers
Top performers in the event of long jump are Lutz Dombrowski, Arnie Robinson, Randy Williams, Lynn Davies, Ralph Boston, Greg Bell, Dwight Phillips, James Beckford, Kareem StreeteThompson, Ivan Pedroso, Jerome Biffle, Willie Steele, Jesse Owens, Ed Gordon, Ed Hamm, William DeHart Hubbard, William Pettersson, Albert Gutterson, Frank Irons, Erick Walder, Larry Myricks, Robert Emmiyan, Carl Lewis, Bob Beamon and Mike Powell.
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