| Muscle | Joint position | Action |
|---|---|---|
| 0Ëš shoulder flexion 90Ëš elbow flexion |
Elbow extension | |
| 0Ëš elbow flexion, 30Ëš shoulder abduction and internally rotated | Shoulder extension and internal rotation | |
| 0Ëš elbow flexion 45Ëš shoulder flexion |
Shoulder flexion | |
| 90Ëš knee flexion in a seated position | Knee extension |