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This study compared the statistics of 24 matches played by elite women table-tennis players using the old celluloid versus new plastic balls to provide insight into the on-court adaptations made. Matches played by five, top-10 world ranked female players, using the celluloid (n = 12) versus plastic balls (n = 12) in international competitions from 2011 to 2017 were analysed. The results showed that the average strokes per point and point duration were approximately 15% and 13% shorter when playing with the plastic (4.79 ± 0.59; 3.91 ± 0.54s) compared with celluloid balls (5.52 ± 0.62; 4.49 ± 0.53s). Rally intensity was, however, higher for matches played with plastic (1.57 ± 0.27 strokes/s) versus celluloid (1.49 ± 0.25 strokes/s) balls. Overall work-rest ratio was smaller by 3% for the former versus the latter. The trade-off between more intense rallies and more rest time on energy expenditure remains unknown and would be an interesting area to investigate for targeted prescriptions of training programmes.

Impact of ball material change from celluloid to plastic on game statistics in elite women table-tennis