Distractors
          Because of significant innervation of the cartilage
Even though its damage rarely reaches the subchondral bone
Even though chemical mediators soothe nociceptors around the knee
Key
              Despite poor innervation of the cartilage
Question
              In the article “The Grind of Chondromalacia Patellae,” author Whitney Lowe says chondromalacia can be quite painful: