How can you tell when you tear your meniscus?

Pain in the knee: Few things for diagnosis of meniscal tear including, clicking of the knee when trying to move it, the knee is stuck in one position and will not move, pain right over the joint line on either the inside or the outside of the knee, and swelling are all common.

Swelling.: You may have swelling of the knee. You may have pain with locking or catching.