A Novel Measure of In-Vivo Knee Joint Laxity

Abstract

Current measures of knee joint laxity, such as those found clinically using the KT-2000 arthrometer, are not highly repeatable or reliable (Huber et al, 1997). In this study, a non invasive in-vivo Magnetic Resonance imaging-based measure of laxity, the Knee Loading Apparatus (KLA), was designed and evaluated with five normal subjects (repeatability study, n=3). Effects of total body water content, hormones, and muscle guarding were considered. When compared to the KT-2000, the KLA was found to be less variable iii Acknowledgements