THE FOSBURY FLOP TECHNIQUE IN HIGH JUMP
NITAI NANDI
SAI ATHLATICS COACH

 

High jump is a thrilling challenging and is an excellent spectacular event. The sport of high jumping is one of the oldest track and field events. Dating back to the ancient Olympics, the high jump was probably introducing as a competitive event in the American track and field a program in 1868. Since then the sports has witnessed money different styles and techniques. Some of the most prominent techniques used during the past years are Scissors, Eastern cut off, western roll, Straddle, Fosbury flop technique.

Then in the mid 1960 the fosbury flop or back layout style of jumping was evolved by Dick fosbury while he was a student of secondary school and in 1968 he was in the Olympic games with this revolutionary style and drought, this technique to the attention of the world. This technique now dominates the world of running high jump event.

The fosbury flop technique

The flop style of high jumping is best understood in all its phases if it is related to the eastern style. More Specifically, Dick Fosbury was a scissor style jumper in school days. His high school coach tried to teach him the spaddle, but in one meet, age 16, he reverted to the scissors with back by out. At first his body angle was about 45° to the cross bar but by his senior year he had rotated to the full 90° during clearing. Then since Fosbury, the majority of great jumpers have adopted his style and all have run at speeds greeter than those generally used in the western or straddle.

Different types of Approach Run used by flopper

There are three types of approach Run

  • The Arch type approach Run

  • Curved type approach Run

  • J shapped approach Run

 The J shapped approach Run

  • It is the most common and preferred pattern used by the elite high jumper. It begins in a straight line which allows a smooth at gradual development of speed and them transferred to slight curve at the end called conversion curve Running through this curve the jumper faith Centrifugal force prior to take of it is this force which will help the high jumper to go over the bar after he breaks the contact with the ground and take off.

  • The approach length is generally nine to thirteen stride longer approach tend to create many variable for consistency and fewer do not allow the high jumper to develop enough speed for maximum force to be applied to ground. Now we find that many of the top jumper, both male female are going to the ‘J’ approach which is straight a head approach with an are on the last 4-5 strides into the take of so Jumper need at least 9-13 strides prior to his take off.

  • An advantage with this approach is that the jumper can build more speed quickly and easily before entering into the curve in the actual curve the jumper builds centripetal force throughout the curve when he/she plants, it changes to centrifugal force which take the jumper out of the curve and over the bar.

   To Cross bar depend upon the following Paint

   H 1

  • Phy. Sequa

  • Body position at Take off

   H 2 Vertical V, at take off

  • V2 at Touch bound

  • Vertical Impulse

           i) Vertical Force
           ii) Time of Take off

   H 3      

  • Body position at peak

  • Movement over Bar

    HP

  • H1 = Total Height at the time of take off

  • H2 = Maximum lift

  • H3 = Different between the height of the lift and cross bar

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