Or Upload an image for you and others searching for #lowEF #physicalexam #test #knee #msk #clinical #injury #video #ligament #acl #sports #ankle #meniscal #medial #orthopedics #positive #pcl #anterior #lcl #lachman #shift #collateral #valgus #lellis #drawer #dislocation #stress #instability #varus #stability #lachmans #rcl #pivot #pathophysiology #diagnosis #nsfw #posteriorcruciateligament