Optimal Recognition of Volleyball Player’s Arm Movement Track Based on Embedded Microprocessor

Table 4

The angle of shoulder rotation angle before and after the experiment.

	Before the experiment			After the experiment
Gender	Batting action	Average value	Standard deviation	Average value	Standard deviation	value	value
Male	When the arm is maximum	42.13	2.16	47.27	2.33	0.288	<0.05
	Hitting moment	13.48	1.43	14.76	1.53	0.167	>0.05
	Angle change value	28.65	1.66	32.48	1.75	0.604	<0.05
Female	When the arm is maximum	37.62	1.87	40.12	2.06	0.316	<0.05
	Hitting moment	17.93	1.52	18.05	1.23	0.342	>0.05
	Angle change value	19.65	1.79	22.08	1.55	0.931	<0.05