EFFECT OF BLOCK SPACING ON ACCELERATION SPEED
Keywords:
Sprint, Block Spacing and Crouch Start.Abstract
Sprint is considered as a form of running where an individual runs the race with maximum possible speed. In track and field athletics sprint is considered to be an important area of competition at different levels. Proper and technically correct start at the initial phase is of immense importance for an efficient sprinting. For the races from 100m to 400m the athletes are forced to use crouch start in competition. There may be a number of variations in crouch start depending upon the foot spacing. They are identified as bunch, medium and elongated. The purpose of the study was to analyze the effect of foot spacing in crouch start on the initial acceleration of a sprint race. A total of 20 boys and 12 girls were selected as subjects for the present study. Among boys ten were trained athletes and ten were untrained. Among girls six were trained athletes and six were untrained. For collecting data three different foot spacing namely 12 inches, 16 inches and 20 inches were selected. In order to determine the initial velocity of the athletes the time taken to cover first 5 meters and 10 meters from start were recorded. From these distance and time information velocity at 5 meters and 10 meters were calculated. These velocities from different foot spacing were analyzed statistically to reach conclusion. It was seen from the study that medium (16 inches) start produced better results in case of boys where as in case of females elongated (20 inches) start produced better results
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DOI: http://dx.doi.org/10.24327/ijrsr.2018.0903.1731
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