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Fluctuations of motor power over 5 weeks.
| Medical Research Council (MRC) Power Grading Scale |
||||
|---|---|---|---|---|
| Day 7 | Day 14 | Day 21 | Day32 | |
| Shoulder abduction | 2 | 4 | 2 | 4 |
| Elbow flexion | 2 | 4 | 2 | 4 |
| Wrist extension | 2 | 3 | 2 | 4 |
| Hip flexion | 2 | 3 | 2 | 4 |
| Knee extension | 2 | 3 | 2 | 4 |
| Ankle dorsiflexion | 2 | 3 | 1 | 4 |
