Table 2 Mean shoulder joint kinematics for three trials, related to shoulder joint loading, that characterise the WFS and WKS and able‐bodied FS and KS (n = 12)3.
| WFS | WKS | Able‐bodied | |||||
|---|---|---|---|---|---|---|---|
| Kinematic characteristic | Event/phase | S1 | S2 | S1 | S2 | FS | KS |
| Maximum external rotation of the racquet shoulder (°) | MER | 93.6 (0.8) | 91.4 (0.3) | 96.8 (1.2) | 94.3 (2.0) | 115.9 (18.3) | 119.0 (18.3) |
| Upper arm plane of elevation angle (°) | MER | 142.1 (5.2) | 150.9 (5.1) | 145.0 (2.3) | 165.8 (0.7) | 158.9 (8.5) | 161.5 (10.2) |
| Peak shoulder joint internal rotation angular velocity (rad/s) | Forwardswing | 2.57 (1.7) | 4.63 (0.1) | 4.83 (1.2) | 6.07 (1.2) | 10.80 (4.7) | 10.60 (3.1) |
| Upper arm–thorax elevation angle (°) | IMP | 122.8 (5.0) | 119.3 (5.5) | 117.8 (1.1) | 121.2 (5.2) | 108.9 (14.1) | 107.7 (19.7) |
Data are mean (SD).