Research Article

[Retracted] Recognition of Volleyball Player’s Arm Motion Trajectory and Muscle Injury Mechanism Analysis Based upon Neural Network Model

Table 3

The distance between the shoulder joint of the slap arm and the horizontal line.

Serial numberBall off handThe highest point of the tossBack scratchingHitting momentEnd of action

A0.420.690.350.190.5
B0.40.750.250.10.57
C0.440.80.290.210.46
D0.460.850.260.230.46
E0.360.660.260.10.38
F0.340.910.270.10.48
Average value0.40.770.280.140.48