INVESTIGATION AND MEASUREMENT OF KINEMATICS AND
KINETICS PARAMETERS IN THROWING DISCUS BY
NATIONAL ELITE THROWERS

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SHAHBAZI M.; MOHEBI HAMID; KARNIA SHAFAROUD M.

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Journal: Year:2001 | Volume:- | Issue:9 Page(s): 43-59

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Information Journal Paper

Title

INVESTIGATION AND MEASUREMENT OF KINEMATICS AND KINETICS PARAMETERS IN THROWING DISCUS BY NATIONAL ELITE THROWERS

Author(s)

SHAHBAZI M. | MOHEBI HAMID | KARNIA SHAFAROUD M. | Issue Writer Certificate

Keywords

DISCUS THROWING; ANGULAR VELOCITYQ4

ANGLE OF RELEASE; ANGLE OF ATTITUDE ATTACK; MECHANICAL WORK; MECHANICAL POWER.Q4

Abstract

The present study was undertaken to determine the effects of some kinematics and kineticsparameterson elite throwersp~rformance. Ten elite throwers (aged 26.1± 5.61 years; height 188 ± 5.5 cm; weight 107.2 ± 8.89 kg; mean ± SD), who participated in a national track and field tournament in the year 2001, were selected as subjects. All subjects performance was recorded from two sides by two cameras with high shutter (9000) and was analyzed with video analysis method and mathematical models. The relationships between different variables with result of performance (range of projectile of distance) were investigated. The results showed that there is a significant relationship (P<0.05) between horizontal distance and turning speed in final delivery of discus, velocity of release, centrifugal force, mechanical work and power performed by muscle, moment of force (torque) at shoulder joint, the distance covered by discus during turning, angle of release and time of flight. It would appear from these findings that the main factor for increasing the distance of projectile is centrifugalforce and muscular force will merelybe used for controlling the discus during rotation. In addition, angular velocity differs in each phase of rotating and angles of release; attitude and attack of discus should change proportional to velocity of release.

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APA: Copy

SHAHBAZI, M., MOHEBI, HAMID, & KARNIA SHAFAROUD, M.. (2001). INVESTIGATION AND MEASUREMENT OF KINEMATICS AND KINETICS PARAMETERS IN THROWING DISCUS BY NATIONAL ELITE THROWERS. HARAKAT, -(9), 43-59. SID. https://sid.ir/paper/30263/en

Vancouver: Copy

SHAHBAZI M., MOHEBI HAMID, KARNIA SHAFAROUD M.. INVESTIGATION AND MEASUREMENT OF KINEMATICS AND KINETICS PARAMETERS IN THROWING DISCUS BY NATIONAL ELITE THROWERS. HARAKAT[Internet]. 2001;-(9):43-59. Available from: https://sid.ir/paper/30263/en

IEEE: Copy

M. SHAHBAZI, HAMID MOHEBI, and M. KARNIA SHAFAROUD, “INVESTIGATION AND MEASUREMENT OF KINEMATICS AND KINETICS PARAMETERS IN THROWING DISCUS BY NATIONAL ELITE THROWERS,” HARAKAT, vol. -, no. 9, pp. 43–59, 2001, [Online]. Available: https://sid.ir/paper/30263/en

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