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:
Extensor Tendon Injury of the Hand - mallet finger

Extensor Tendon Injury of the Hand

  • Extensor Tendon Injury of the Hand is among the most common presented injuries to the ER.
  • The most common injured finger is the long (third) finger. Read More
Grade IPain and tenderness at the A1 pulley.
Grade IICatching of digit.
Grade IIILocking of digit; passively correctable.
Grade IVFixed, locked digit.
Green Classification of Trigger finger
De Quervain Tenosynovitis

De Quervain Tenosynovitis