Meniscus injury if the injury for the posterior horn, you can not squat, because squatting knee hyperflexion, when the meniscus in the femur and tibia between the pressure, so that the meniscus injury produces pain, and at the same time can make the meniscus injury further aggravated, serious people will appear popping and strangulation and other symptoms, so surgery. Therefore, patients with meniscus injuries, we try to avoid choosing squatting jobs, such as long-term squatting work of tilers or down the well in a squatting position for coal mining workers, such occupations are not conducive to healing of meniscus injuries and can further aggravate the injury. When playing sports, avoid excessive knee flexion and twisting, such as playing soccer or basketball, which can damage the posterior horn of the meniscus.