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What it measures:

Amount of anterior tibial translation with respect to the femur; used to detect tears in the ACL

Target Population:

People with anterior cruciate ligament injury (ACL)

Normative/Reference Data:

According to the International Knee Documentation Committee (IKDC 2000), severity is graded as a difference in the involved knee compared with "normal" or what is assumed to be normal:

  • Normal (–1-2 mm)
  • Nearly normal (3-5 mm)
  • Abnormal (6-10 mm)
  • Severely abnormal (>10 mm)

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