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

Table 4

Jumping ball performance of different practice groups.

	F value	value	Random practice group	Sequence practice group	Fixed practice group
Volleyball serve accuracy	9.521	0.005	10	9	7.64
Volleyball technique	3.607	0.056	7.04	6.64	6.66
Total score	9.317	0.005	17.04	15.64	14.3