Assertion: pcl elongation | /r/HasProperty | bcr tka vs. native knee
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Source sentences:
text: As the elongation of ACL and PCL maximizes in extension and flexion positions, respectively, the correlation between the flexion joint gap change and the change of PCL elongation (BCR TKA vs. native knee) as well as the correlation between the extension joint gap change and the change of ACL elongation are of particular interest in this study.