<prompt> Unhappy triad doesnt Include injury to?ACLMCLLCLMedial meniscus  <response>: ANSWER: C LCLREF: Netters Ortopedic Anatomy 1st Ed Ch 8,Yochum Rowes Essentials of SkeletalRadiology 3RD Ed Pg 959Indirect repeat Orthopedics 2013 Session 2Twisting force in a weightbearing knee often tears the medial meniscus, causing the well- recognized triad of MCL, ACL and medial meniscal injury described by ODonoghue. This is known as unhappy triad. 