13- Knee Plica and Knee pain: Dr. Ebraheim’s educational animated video illustrates the knee examination for medial plica of the knee . knee plica video that explains knee pain examination ,knee pain treatment and knee pain surgery .knee pain diagnosis of plica is easy . Meniscus tear or injury should be excluded as part of the diagnosis. Painful knee plica is rare and is a diagnosis of exclusion. The majority of knee plica are medial.