| （School of Physical Education，Shanxi University，Taiyuan 030006，China） Abstract: The authors studied kinematic parameters relating to triple jump techniques of top 8 triple jumpers par-ticipating in women triple jump final in track and field competition in the 11th National Games, and revealed the following findings: women triple jumpers in China had a poor absolute run-up speed and a poor take-off speed utilization rate, which were respectively 8.96 m/s and 95.5%, significantly different from 9.41 m/s and 98.2% achieved by world triple jumpers (P<0.01); at the moment the take-off leg lands and takes off, their body center of gravity had a poor horizontal speed, which was only 8.71 m/s, very significantly different from world 9.33 m/s (P<0.01); during hopping and striding, their body center of gravity had appropriate lift-off angles, which were re-spectively (17.19±4.37)° and (15.07±4.12)°, but at the last leap, their body center of gravity had a too big lift-off angle, which was (23.57±4.12)°, bigger than 16°~20° achieved by world triple jumpers; their triple jump duration was relatively long, and their take-off effect was not ideal.
Key words: kinematics；women triple jump；three jump technique；11th National Games in China |
