1. Complete anterior cruciate ligament tear and the risk for cartilage loss and progression of symptoms in men and women with knee osteoarthritis 
S. Amin, M.D.C.M., F.R.C.P.(C), M.P.H., A. Guermazi, M.D., M.P. LaValley, Ph.D., J. Niu, M.D., D.Sc., M. Clancy, M.P.H., D.J. Hunter, M.B.B.S., Ph.D., M. Grigoryan, M.D., D.T. Felson, M.D., M.P.H. 
Osteoarthritis and Cartilage 
Volume 16, Issue 8, Pages (August 2008)
DOI: /j.joca
Copyright © 2007 Osteoarthritis Research Society International Terms and Conditions

2. Fig. 1
Cartoon of the knee (sagittal view) and patella illustrating the five cartilage plates of the tibiofemoral joint (central femur, posterior femur, anterior tibia, central tibia and posterior tibia) and four plates of the patellofemoral joint (medial and lateral patella and anterior femur). A=anterior; C=central; P=posterior; M=medial; L=lateral. This figure (adapted from Ref.13) was originally published in Amin et al, Ann Rheum Dis 2007;66(1):18–22.
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2007 Osteoarthritis Research Society International Terms and Conditions

3. Fig. 2
Sagittal proton density MR image showing complete ACL tear (arrows) with normal appearance of the posterior cruciate ligament (PCL) (arrowhead).
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2007 Osteoarthritis Research Society International Terms and Conditions