[Retracted] Comparative Analysis of Volleyball Serve Action Based on Human Posture Estimation

Table 2

Floating ball performance of different practice groups.

	F value	value	Random practice group	Sequence practice group	Fixed practice group
Volleyball serve accuracy	1.81	0.101	8.64	9.64	8.64
Volleyball technique	1.304	0.181	7.04	6.82	6.72
Total score	1.044	0.247	15.68	16.46	15.36