Green Classification of Trigger finger
January 8, 2021
| By :
OrthoFixar
|
Hand Surgery
| Last updated on April 13, 2021
What is the Green Classification of Trigger finger?
- Trigger finger is a Stenosing tenosynovitis caused by inflammation of the flexor tendon sheath, it happened mostly at the level of the A1 pulley.
- There are 5 Annular Pulleys (A Pulley) 3 Cruciform pulleys (C Pulley).
- The most two important A pulleys are A2 and A4 pulleys.
- Trigger finger is classified by Green into 4 grades:
See Also: Extensor Tendon Injury of the Hand
| Grade | Description |
|---|---|
| Grade I | Pain and tenderness at the A1 pulley. |
| Grade II | Catching of digit. |
| Grade III | Locking of digit; passively correctable. |
| Grade IV | Fixed, locked digit. |
Pulley System of the finger 
Thumb Pulleys 
Trigger finger Classification
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