| Excellent: | No pain, normal upper limb muscle strength, free shoulder joint movement, X-ray shows acromioclavicular joint space ≤5mm; |
| Good: | Mild pain, slight limitation of shoulder joint movement, X-ray shows acromioclavicular joint space 5-10mm. |
| Poor: | Pain, severe limitation of shoulder joint movement, X-ray shows acromioclavicular joint still dislocated. |
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