Research Article

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

Table 2

Changes in the angles of the shoulder, elbow, and wrist joints of the throwing arm from the ball to the highest point.

Serial numberThrow the ball awayToss the ball to the highest point
ShoulderElbowWristShoulderElbowWrist

A108.9163.4171.1156.5169.5212.7
B113162.1171.4158.6170.7219.1
C110.9159.4171151.7167.6214.7
D96.7158.1169.3149.1169.3189.5
E96.7154.1167.3141.3158.7187.3
F100.3153.6170.3150.2155.4188.6
Average value104.4158.4170.1151.2165.2202