Volleyball Data Analysis System and Method Based on Machine Learning

Table 3

Center of gravity-related indicators at take-off time.

Parameter	Type A front row	Type A rear row		Type B front row	Type B rear row
Center of gravity (°)	66.67	53.39	0.03	65.71	67.32
Vertical speed of center of gravity (m/s)	3.15	3.17	0.76	3.19	3.33
Horizontal speed (m/s)	1.52	2.55	0.03	1.37	1.39
Center of gravity speed (m/s)	3.13	3.35	0.02	3.66	3.59