Finger Tendons & Deformities

Conditions in this unit

Mallet Finger - Disruption of the terminal extensor tendon at its insertion on the distal phalanx, causing an extensor lag (droop) at…
Jersey Finger (FDP Avulsion) - Avulsion of the flexor digitorum profundus (FDP) tendon from its insertion on the distal phalanx. Opposite of mallet…
Boutonnière Deformity - Disruption of the central slip of the extensor tendon at the PIPJ, causing PIPJ flexion and DIPJ hyperextension. The…
Swan Neck Deformity - PIPJ hyperextension + DIPJ flexion: the reverse of boutonnière. Multiple causes: volar plate laxity at PIPJ, FDS…