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Knee Surgery, Sports Traumatology, Arthroscopy
Published in: Knee Surgery, Sports Traumatology, Arthroscopy 8/2009

01-08-2009 | Knee

In vivo laxity of stable versus anterior cruciate liagment-injured knees using a navigation system: a comparative study

Authors: Eun Kyoo Song, Jong Keun Seon, Sang Jin Park, Chang Ich Hur, Dam Seon Lee

Published in: Knee Surgery, Sports Traumatology, Arthroscopy | Issue 8/2009

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Abstract

We compared antero-posterior translation and internal–external rotation of the tibia in stable knees without anterior cruciate ligament (ACL) injury with those of ACL injured knees using a navigation system and suggest an objective data. Forty-four patients treated for a meniscal tear without ACL injury were allocated to stable group, and 41 patients were allocated to ACL injury group. Antero-posterior displacement and rotation of knees were measured in 0, 30, 60 and 90 degrees of flexion using navigation. Mean anterior displacements were 3.6 ± 2.0, 6.7 ± 2.7, 6.0 ± 2.4 and 4.7 ± 1.8 mm at 0, 30, 60 and 90 degrees of flexion, respectively, in stable group, and 6.8 ± 3.6, 14.7 ± 3.5, 11.9 ± 4.6 and 8.5 ± 4.0 mm in ACL injury group. Mean total rotation values were 18.8 ± 4.5°, 31.4 ± 4.2°, 30.1 ± 5.1° and 29.2 ± 5.9° in stable group and 22.7 ± 6.9°, 37.6 ± 5.8°, 34.0 ± 9.4° and 31.8 ± 8.8° in ACL injury group. Quantitative values of antero-posterior translations and rotations of stable and ACL injured knees were obtained using a navigation system. The laxity data may be useful to establish the diagnosis of an ACL injury and evaluation of post-operative results.
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Metadata
Title
In vivo laxity of stable versus anterior cruciate liagment-injured knees using a navigation system: a comparative study
Authors
Eun Kyoo Song
Jong Keun Seon
Sang Jin Park
Chang Ich Hur
Dam Seon Lee
Publication date
01-08-2009
Publisher
Springer-Verlag
Published in
Knee Surgery, Sports Traumatology, Arthroscopy / Issue 8/2009
Print ISSN: 0942-2056
Electronic ISSN: 1433-7347
DOI
https://doi.org/10.1007/s00167-009-0789-x

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