Rehab Protocols
Interactive Knee Exam
Viscosupplementation

Post./Ant. Instability

  1. Lachman's Test
  2. Anterior Drawer Test
  3. Pivot Shift Test
  4. Tibial Drop Back Test
  5. Quads Active Test
  6. Posterior Drawer Test
  7. KNEE HOME
In the tibial drop back test, the examiner compares the prominence of the proximal tibia to the femoral condyles with the knee flexed to 80°. In a PCL deficient knee, the knee be posteriorly subluxed due to gravity.
In the normal knee at 80° the tibial plateau is located appreoximately one cm anterior to the femoral condyles.
Tibial drop back in a PCL deficient left knee (upper figure) compared to the normal contralateral right knee (lower figure).