Action of intramedullary 'K' nail is -: (A) Two-point fixation, (B) Three-point fixation, (C) Compression, (D) Weight concentration
Answer is B. Kuntsher&;s clover leaf intra medullary nail (K nail). Fixation of the K nail is based on 3 point fixation. It fixes bone at 3 points, at either ends and at isthmus. REF:Essential ohopaedics- 5th edn- pg no 373.