WEBVTT

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(English captions by Trisha Paul from the University of Michigan)

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The PCL Sag test evaluates for a tear of the posterior cruciate ligament. With both

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knees flexed to ninety degrees and feet planted on the table, view the knees from the side

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to compare the position of the tibia.

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Increased posterior sag from one of the tibias
is considered a positive test.