Teaching Method Design of Tennis Baseline Stroke Technique Relying on Neural Network Learning Algorithm

Table 2

Main joint data sheet.

	Knee joint	Wrist joint	Shoulder joint	Elbow joint
Rotation angle (°)	9.2	7.2	20.4	32.7
Movement distance (cm)	12.1	14.5	28.3	51.2
Exercise time (ms)	538	567	435	578