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Grading of muscle strength
| Grade 0 | Absence of muscle contraction |
|---|---|
| Grade 1 | Muscle contraction, without joint movement |
| Grade 2 | Movement without overcoming gravity |
| Grade 3 | Movement that overcomes gravity |
| Grade 4 | Movement that overcomes gravity and some resistance |
| Grade 5 | Normal muscle strength |
Source: Seddon HJ(10)
