Finally, knee cartilage accidents bring on knee osteoarthritis, a degenerative issue causing considerable pain and stiffness, specifically for accidents wider than a centimetre. Cartilage injury, also known as chondral injury, chondral lesions or ulcers, refers to damage on the cartilage that handles the finishes of bones in a very joint. https://www.theorthopaedicandpainpractice.com/what-are-cartilage-lesions/