There are 2 menisci in each knee which work as shock absorbers. These are crescent-formed and enable distribute body weight in the knee as well as lubricate and stabilize the knee. Degeneration of our cartilage and tears within our meniscus usually happen with each other and contribute for the symptoms https://www.theorthopaedicandpainpractice.com/unlocking-the-mystery-of-knee-replacement-surgery-everything-you-need-to-know/