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Isometric exercise indices (l) corresponding to arm postures and actions
| Arm posture |
|||||
|---|---|---|---|---|---|
| l | Elevation angle (°) | Humeral rotation (°) | Elevation plane (°) | Elbow flexion (°) | Actiona |
| 1 | 45 | 0 | 0 | 0 | Abduction |
| 2 | 45 | 0 | 0 | 0 | Adduction |
| 3 | 0 | 0 | 0 | 90 | Internal rotation |
| 4 | 0 | 0 | 0 | 90 | External rotation |
Rotation exercises consist of humeral rotation.
