Author(s): Dr. Dev Raj Yadav

Abstract:
The aim of the present study is to analyse the kinematics of block placements and its effects on first stride distance and first stride time in sprint start. The selected 30 male sprinters of the Inter University and State teams of Uttar Pradesh were participated for this study. The average age of the sprinters was 22.6 ± 1.1 years, average height 172.6 ± 5.2 centimeters and average weight 74.3 ± 4.2 kilograms, and 5.5 years of track experience. The start analysis system was used to assess the kinematical parameters of the sprint starts and acceleration. The start analysis system consisted of starting blocks modified by attaching milliseconds time sensors, angle analysis system software, and an electronic measurement system with two pairs of photo cells units for measuring the time parameters of the first stride and start acceleration of 30 meters.

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