Joint not involved in osteoahritis: (A) PIP, (B) DIP, (C) MCP, (D) Knee
Answer is C. Joint involvement in OACommon joints: Knee, Hip, spine (cervical, lumbosacral), Hand (PIP, DIP, first carpometacarpal), first tarsometatarsalUncommon joint: shoulderSpared: Wrist, elbow, ankle, metacarpophalangeal(Refer: Mohindra's Fundamentals of Ohopedics, 2nd edition, pg no. 88, 101, 127)