Instrumented measurement of the posterolateral corner

被引:46
作者
Bleday, RM
Fanelli, GC
Giannotti, BF
Edson, CJ
Barrett, TA
机构
[1] Geisinger Med Ctr, Dept Orthopaed, Danville, PA 17822 USA
[2] Geisinger Med Ctr, Dept Phys Therapy, Danville, PA 17822 USA
来源
ARTHROSCOPY | 1998年 / 14卷 / 05期
关键词
laxiometer; posterolateral rotatory instability; external rotation;
D O I
10.1016/S0749-8063(98)70077-5
中图分类号
R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学(修复外科学)];
学科分类号
摘要
A new device called the Lars Rotational Laxiometer (Lars Inc, Dijon, France) is introduced to aid in the diagnosis of posterolateral rotatory instability of the knee. This device assigns a quantitative value for tibial external rotation. Three examiners each evaluated a separate group of 30 different subjects (total 180 knees) to obtain side-to-side differences. The subjects had no history of injury, pain, or instability. An external rotation measurement was performed at 30 degrees and 90 degrees of knee flexion. At 90 degrees, the mean side-to-side difference was 4.4 degrees (range, 3.7 degrees to 5.1 degrees); at 30 degrees it was 5.5 degrees (range, 4.7 degrees to 6.3 degrees). There was no significant difference with gender or age. The purpose of this study is to establish baseline side-to-side values for the posterolateral complex in normal knees. Objective values are obtainable with the Laxiometer.
引用
收藏
页码:489 / 494
页数:6
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