Table 3 Definitions and explanations of various observation index in table tennis matches
Phase | Observational Index | Definitions and Interpretation |
|---|---|---|
Attack-after-Serve Phase | Serve (the 1st stroke) | Serve (the 1st stroke) refers to the first stroke technique that is not constrained or limited by the opponent's stroke [6, 19] |
The 3rd stroke | 3rd stroke refers to the stroke played by the serving player in response to the opponent's return after their serve, utilizing either an attacking or controlling technique to hit the ball | |
Attack-after-Receive Phase | Receive serve (the 2nd stroke) | Receive serve (the 2nd stroke) refers to the various techniques used when returning the opponent's serve [20] |
The 4th stroke | The 4th stroke refers to the techniques employed when receiving the opponent's 3rd stroke, involving various attacking and controlling techniques | |
Transition Phase | The 5th stroke | The 5th stroke refers to the various attack and defense transition techniques used by the serving player when receiving the opponent's 4th stroke |
The 6th stroke | The 6th stroke refers to the various attack and defense transition techniques used by the serving player when receiving the opponent's 5th stroke | |
Rally Phase | Rally I Phase | Rally I Phase refers to the various rally techniques used by the serving player when receiving the opponent's 6th stroke and subsequent odd-numbered strokes (including both sides maintaining the attack or one side maintaining the defense) |
Rally II Phase | Rally II Phase refers to the various rally techniques used by the serving player when receiving the opponent's 7th stroke and subsequent even-numbered strokes |