0:00:00.000,0:00:03.090 (English captions by Trisha Paul from the University of Michigan) 0:00:03.090,0:00:07.009 There are several tests commonly performed[br]to evaluate for ligamentous laxity of the 0:00:07.009,0:00:13.920 knee. Medial collateral ligament stability[br]can be tested at zero degrees and thirty degrees 0:00:13.920,0:00:16.279 of flexion by applying a valgus force on the[br]knee.