WEBVTT 00:00:00.000 --> 00:00:03.090 (English captions by Trisha Paul from the University of Michigan) 00:00:03.090 --> 00:00:07.009 There are several tests commonly performed to evaluate for ligamentous laxity of the 00:00:07.009 --> 00:00:13.920 knee. Medial collateral ligament stability can be tested at zero degrees and thirty degrees 00:00:13.920 --> 00:00:16.279 of flexion by applying a valgus force on the knee.