Trigger Finger & Dupuytren: Mallet, Boutonniere, Swan Neck | PM&R Board Review (MSK-07-a)

Hand: Flexor Pulleys, Trigger Finger, Dupuytren, and the Fingertip Deformity Quartet. Part of the Musculoskeletal series of the Reflex PM&R Board Review podcast. The full companion chapter and a linked board-style Q-bank set for this topic are at https://www.reflexpmr.com/read/MSK-07-a. On YouTube, every Musculoskeletal episode in order: https://www.youtube.com/playlist?list=PLHZu3dmTnObo. Educational only, not medical advice. AI-narrated from the Reflex chapter.

Chapters:

0:00 Intro

1:06 Mnemonic - "Lower lesion, more claw"

3:17 Flexor pulley system and bowstringing

7:37 Camper chiasm and FDS isolation test

10:34 Trigger finger

13:59 Dupuytren contracture

19:33 Mallet finger

23:46 Boutonniere and swan neck deformities

28:06 Jersey finger and Leddy-Packer classification

32:51 5 Things to Know Cold