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- See:
  - Pivot shift
  - Anterior Cruciate Ligament
  - Anterolateral Rotatory Instability
  - Clunk Test
  - Diagram
  - Lachman
  - Losee Test
  - reverse pivot shift Test

- Discussion:
 - begins w/ the knee in flexion as an external rotation & valgus force are applied;
 - when knee is extended, the foot internally rotates & previously subluxated tibia reduces as knee approaches full extension