General Medicine 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