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A two-dimensional film analysis was performed on five men and six women finalists in the javelin throw of the Los Angeles Olympic Games of 1984. In addition to the great interindividual variation in the measured kinematic and kinetic parameters, the results indicated that in men the winner had the highest release velocity of javelin (29.12 m × s−1), and that a significant (p < .01) relationship could be obtained between the release velocity and throwing distance. Despite great variation in throwing distance in women (55.88 m - 69.56 m) the release velocities were in relatively small range (20.73 m × s−1 - 23.62 m × s−1). High impact loading was specific to the last foot contact on the ground. It was characterized by a short duration (0.032 s) and high velocity knee flexion (12.66 ± 2.11 and 12.27 ± 3.81 rad × s−1, respectively, for men and women). The respective knee extension velocities averaged 5.80 ± 2.00 and 7.60 + 5.17 rad × s−1. Despite the fact that a small number of analyzed world-class throws revealed only some biomechanical differences between good and poorer performance, the results can be used to identify some new criteria for successful performance in javelin throw.
Direct all correspondence to Paavo V. Komi, Dept. of Biology of Physical Activity, University of Jyväskylä, SF-40100 Jyväskylä, Finland.