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Instrumented measurement of anterior-posterior translation in knees with chronic anterior cruciate ligament tear

✍ Scribed by T. Mononen; H. Alaranta; A. Harilainen; J. Sandelin; I. Vanhanen; K. Österman

Publisher
Springer
Year
1997
Tongue
English
Weight
402 KB
Volume
116
Category
Article
ISSN
1434-3916

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✦ Synopsis

Anteroposterior translation of the knee joint was measured with a Knee Signature System device on 12 women and 14 men with a unilateral, chronic, isolated, anterior cruciate ligament (ACL) tear. A control group with stable knees consisted of 10 women and 10 men. Anterior translation at 178 N load of the uninjured knees was 8.0 mm (+ 2.2 ram) and in knees with an ACL tear, 14.2 mm (+ 4.2 mm). Corresponding values for anteroposterior translation were 12.1 mm (+ 2.5 ram) and 19.3 mm (+ 4.9 ram), respectively. A difference of 3 mm or more in anteroposterior translation at 178 N load between injured and uninjured knees indicated an ACL tear with 85% specificity and 88% sensitivity.

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