Mallet classification
Recovery after brachial plexus injury
Abduction
- Grade I: No active motion
- Grade II: <30°
- Grade III: 30° - 90°
- Grade IV: >°
- Grade V: Normal movement
External rotation
- Grade I: No active motion
- Grade II: 0°
- Grade III: <20°
- Grade IV: >20°
- Grade V: Normal movement
Hand to head
- Grade I: No active motion
- Grade II: Impossible
- Grade III: Difficult
- Grade IV: Easy
- Grade V: Normal movement
Hand to back
- Grade I: No active motion
- Grade II: Impossible
- Grade III: To S1 level
- Grade IV: To T12 level
- Grade V: Normal movement
Hand to mouth
- Grade I: No active motion
- Grade II: Trumpet sign
- Grade III: Partial trumpet sign
- Grade IV: <40° abduction
- Grade V: Normal movement
The "trumpet sign" is named after the way of holding the trumpet in a particular unit of the French army (almost 90° abduction of affected arm when bringing hand to the mouth).
Reference
http://emedicine.medscape.com/article/317057-treatmentSupported by:
