Knee meniscus injuries Meniscus tear Meniscus Tear of the Knee more than 500,000 meniscal tears Causes of a meniscus tear https://www.healthline.com/health/meniscus-tears#treatment Tear of the meniscus become torn in an accident. meniscus tear Overview of a meniscus tear http://www.healthline.com/health/meniscus-tears more than 500,000 meniscal tears torn meniscus more than 500,000 meniscal tears