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Comparison of clinical tests and the KT1000 in the diagnosis of anterior cruciate ligament rupture.
  1. G P Graham,
  2. S Johnson,
  3. C M Dent,
  4. J A Fairclough
  1. Cardiff Royal Infirmary, UK.


    A prospective study was undertaken to compare the accuracy of the Lachman test, anterior drawer test and jerk test with the KT1000 knee arthrometer in patients with proven anterior cruciate ligament deficiency. The Lachman and anterior drawer tests were found to be the most accurate indicators of anterior cruciate ligament deficiency. The KT1000 knee arthrometer was found to be totally inaccurate, which precludes its use as an objective measure of anteroposterior laxity of the knee.

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