Knee - PCL: Sag Sign - MaleYour model is disabled. For more details go to Edit properties3D Model
Posterior Sag Sign (Gravity Drawer Test) Tests for rotary instability posteriorly and/or torn PCL. In supine subjects hip and knee are flexed to 90°while the examiner supports the leg under the lower calf or heel in the air. A positive sign is a posterior sag of the tibia caused by gravitational pull.
©Indiana University Board of Trustees. This project was funded by a grant from the Indiana University School of Medicine Program to Launch those Underrepresented in Medicine toward Success (PLUS) and the Medical Student Education Division of the Indiana University School of Medicine, Department of Family Medicine. 3D imaging created by Luke Parker and Emma Parker.