Finger Extension
A 40-year-old male presents to the ED with complaints of inability to extend his finger after a game of touch football, but on physical exam you are able to passively extend it.



What is your diagnosis?

1. 
   This is a photo of a mallet finger, demonstrating extensor lag at DIP.
   

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<p>This is a photo of a mallet finger, demonstrating extensor lag at DIP.</p>