Anatomy of the Knee Right knee shown Anatomy of the Knee Right knee shown. Abbreviations: ACL, anterior cruciate ligament; LCL, lateral collateral ligament; MCL, medial collateral ligament; PCL, posterior cruciate ligament. Source: Knee Ligaments and Menisci, The Rational Clinical Examination: Evidence-Based Clinical Diagnosis Citation: Simel DL, Rennie D. The Rational Clinical Examination: Evidence-Based Clinical Diagnosis; 2016 Available at: https://jamaevidence.mhmedical.com/DownloadImage.aspx?image=/data/books/845/sim_ch27_f001.png&sec=68728552&BookID=845&ChapterSecID=61357572&imagename= Accessed: October 22, 2017 Copyright © 2017 American Medical Association. All rights reserved