Table 1 Parameters of active shoulder rotation at three motion velocities

Correlation of rotation angles (video and MRI)

0.90

0.84

0.77

External rotation arc (Deg)

53.57 ± 14.85

52.90 ± 11.43

52.43 ± 11.57

Internal rotation arc (Deg)

14.66 ± 11.43

13.76 ± 10.82

12.75 ± 5.77

Rotation arc (Deg)

68.23 ± 17.73

66.66 ± 17.57

65.18 ± 14.76

Angular velocity (°/s)

34.12 ± 8.87

83.33 ± 21.97

114.07 ± 25.84