Which of the Following Is a Rupture of the Central

question 39

Multiple Choice

Which of the following is a rupture of the central extensor tendon that causes the lateral bands to slip palmarly on each side of the PIP,changing its line of pull on this joint from an extensor to a flexor?

• A) Boutonnière deformity
• B) Mallet finger
• C) Jerry finger
• D) Pseudoboutonnière deformity

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