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Muscles recorded with EMG and the corresponding positions along the circular constraint where they should be deactivated to minimize muscle effort.
| Muscle Name | Type | Reversal Positions |
|---|---|---|
| Brachioradialis | One joint – elbow | 90°, 270° |
| Biceps Brachii | Two-joint | 57.9°, 229.2° |
| Triceps Brachii (Lateral Head) | Two-joint | |
| Anterior Deltoid | One joint – shoulder | 122.1°, 310.8° |
| Pectoralis Major | One joint – shoulder | |
| Posterior Deltoid | One joint – shoulder |
