Meniscus injuries, also called meniscal tears, take place in the event the cartilage inside the knee is torn. In case the damage is critical, the torn part can transfer out of put, locking the knee. Post-Traumatic Arthritis is actually a type of secondary osteoarthritis that happens resulting from a specific joint https://www.theorthopaedicandpainpractice.com/what-is-a-meniscal-injury/