the subjects were 10 excellent ping-pong players in China (20 ± 2 years old, with 11 ± 2 years of training). The table tennis techniques of the forehand attack and forehand loop drive were tested, using the measurement methods of the KISTLER force-plate system (two force-plates were used). Two groups of ground reaction force (GRF) data (peak and valley values of the vertical direction, left-right direction and the fore-aft direction) were analyzed and compared. The dynamic characteristics of table tennis player`s forehand attack and loop drive techniques in three dimensions were described. The results showed that the biggest GRF of the attack technique in vertical direction was higher than the loop drive technique, and the biggest GRF of the attack technique in left-right direction and the fore-aft direction were mostly lower than the loop drive technique.
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