[Retracted] Application of Internet of Things Artificial Intelligence and Knowledge Innovation System in Table Tennis Teaching and Training

Table 4

Course schedule for the second stage.

Training time	Training course	Training content
The fourth week	Forehand serve	Forehand serve
		Forehand turning and nonturning
		High forehand serve
The fifth week	Backhand serve	Backhand fast and fast backspin
		Right backhand up (down) spin
The sixth week	Push offense	Push left and attack right
		Left push combined with backhand attack
The seventh week	Rubbing	Forehand and backhand rubbing combined with forehand quick pull, hurry up, assault, or smash
		Forehand and backhand rubbing combined with backhand quick pull, hurry up, assault, or smash
The eighth week	Two-sided attack	Tap left and buckle right
		Attack the two corners, slam into the middle