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Orthopaedics General 26bc0c46

Swan-neck deformity is -

A
Flexion of Metacarpophalangeal joint and extension at interphalangeal joint
B
Extension at Proximal interphalangeal joint and flexion at Distal interphalangeal joint
C
Flexion at proximal interphalangeal joint and extension at distal interphalangeal joint
D
Extension at Metacarpophalangeal joint and flexion at interphalangeal joint
High-Yield Explanation
Important hand deformities of hand in RA Boutonniere deformity: Flexion contracture of PIP joint and extension of the DIP joint. Swan neck deformity: Hyperextension of PIP joint and flexion at DIP joint. Z-deformity: Radial deviation of the wrist with ulnar deviation of fingers. Hyperextension of 1st interphalangeal joint and flexion of MP joint.
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