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

Table 3

Frontal overhand serve results of different practice groups.

	F value	value	Random practice group	Sequence practice group	Fixed practice group
Volleyball serve accuracy	1.82	0.642	8.4	8.4	9.4
Volleyball technique	0.678	0.372	7.07	6.54	6.54
Total score	0.100	0.703	15.47	14.94	15.94