Table 1.
Values at key kinematic and kinetic points during the volleyball spike. All values are average ± standard deviation.
Kinematic Values
Contact Window Peak Kinetic Values
ROM [°]
Shoulder Rotations at Ball Contact Phase [°]
Max Torque During Ball Contact [N·m]
Max Torque Excluding Ball Contact [N·m ]
Internal Rotation
174 ± 36
-83 ± 28
44.0 ± 30.5
-25.5 ± 12.0 *
Abduction
70 ± 28
122 ± 10
-110.5 ± 70.2
-19.9 ± 54.6 *
Horizontal Adduction
109 ± 26
12 ± 23
63.0 ± 50.3
-45.5 ± 28.1 *
The difference between peak torque estimates at ball contact was statistically significant (* p < 0.001) for each torque pair.