Table 5 Mean shoulder joint kinetics of the wheelchair and able‐bodied serves (FS and KS) expressed relative to maximum pre‐impact absolute racquet velocity (n = 12)3.
| Shoulder joint kinetics | EVENT/Phase | WFS | WKS | Able‐bodied | |||
|---|---|---|---|---|---|---|---|
| S1 | S2 | S1 | S2 | FS | KS | ||
| Peak external rotation moment (Nm) | Cocking | 1.8 | 6.6 | 1.2 | 3.7 | 5.0 | 4.8 |
| Peak internal rotation moment (Nm) | Forwardswing | 43.9 | 45.0 | 45.7 | 55.9 | 52.4 | 58.3 |
| Average rate of maximum compressive force loading (N/s) | Swing | 258.1 | 799.6 | 276.8 | 840.5 | 772.4 | 797.4 |
| Mean compressive force (N) | Forwardswing | 201.2 | 391.6 | 158.5 | 401.8 | 529.0 | 523.1 |
| Mean compressive (+) and distractive forces (−) (N) | Follow‐through | −67.6 | 150.4 | −119.3 | 120.1 | 201.6 | 187.8 |
| Peak external rotation moment (Nm) | Follow‐through | 19.5 | 35.8 | 20.6 | 33.8 | 43.4 | 36.6 |
Data are % of maximum pre‐impact absolute racquet velocity.