Surgery In which of the following deformities is the distal interphalangeal joint flexed and proximal interphalangeal joint extended ? A Boutonierre Deformity B Swan neck deformity C Z deformity D Claw Hand 💡 Explanation In which of the following deformities is the distal interphalangeal joint flexed and proximal interphalangeal joint extended ? ✓ Correct Answer: B. Swan neck deformity