Accordingly, the release velocity would be increased by the same amount of the increment at the beginning, theoretically. In the common discus throw style (1.5 turn), the velocity would be zero at the beginning and (x) at the release, but as a result of the modification the initial velocity would be greater than zero at the beginning of 1.5-turn. Table 1: Discus Throw Technique Phases for both styles (Common, Modified) Increasing the initial velocity to greater than zero by adding a turn similar to hammer throw technique (double support and single support) as a preparatory phase after wind-up (Table 1). Prolonging the motion path of the discus.Ģ. Therefore, the modified discus throw style is based on:ġ. As a result, the discus reaches zero velocity at the beginning of the turns then increases gradually during the turn until the release phase, which means that the shorter the duration of the turn the greater the velocity of release is (5). There is also the aspect of the length of the discus’ path from the beginning till the release the longer this path the greater is velocity at release.ĭiscus throw technique has a preparatory phase (wind-up), which is in the opposite direction of the turns. The height of release depends on the thrower’s anthropometric characteristic (physical height) and the angle of release depends on accurate technique, while the velocity of release depends on physical abilities which are improved by the training program. The main factors that affect discus throw distance are height, angle, and velocity of release. The results emphasized the advantages of using the modified technique, due to the mechanical advantages achieved. The participant was an Egyptian elite decathlon athlete. One was performed with the current style and the other was performed with the modified style. The study was descriptive and empirical, while a comparison in some kinematical aspects was carried on between two discus trials. The authors aimed to modify throwing technique as a way to achieve greater distances in the discus throw event, in a way that doesn’t conflict with IAAF-certified throwing technique. The general trend of training programs is to improve physical fitness in order to increase the resultant distance. Each phase of technique has its role in the resultant performance. The aim of throwing the discus is to achieve the greatest horizontal distance as possible. Marwa Sakr, Athletics department, Physical Education Faculty, Sadat City University, Egypt. Mohammed Gamal, Biomechanics Department, Physical Education Faculty, Helwan University Dr. Mostafa Atwaa, Athletics department, Physical Education Faculty, Sadat City University Prof. A study using one participent is hardly conclusive, but perhaps gives us some food for thought. The authors are simply recommending a hammer-type preliminary turn for discus throwers as a way to increase release velocity.
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