In which of the following deformities is the distal interphalangeal joint flexed and proximal interphalangeal joint extended?
Correct Answer: Swan neck deformity
Description: Boutonniere deformity: flexion contracture of PIP joint and extension of DIP jointSwan neck deformity: Hyperextension of PIP joint and flexion at DIP jointZ-deformity: radial detion of the wrist with ulnar detion of fingers(Refer: Mohindra's Fundamentals of Ohopedics, 2nd edition, pg no. 420)
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Orthopaedics
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