Chondromalacia patellae is damage to the cartilage at the back of the kneecap, which can cause pain and grating in the knee. Learn about the possible causes, diagnosis, and conservative treatment options, such as physiotherapy and exercises. Chondromalacia patella causes front knee pain due to damage of the cartilage at the back of the kneecap. Learn about the causes, symptoms and treatment options. Chondromalacia patellae (CMP; from Greek μαλακία (malakia) 'softening' χόνδρος (chondros) ' cartilage ' and Latin patella ' kneecap '[1]) is an inflammation of the underside of the kneecap and softening of the cartilage. Introduction Chondromalacia patella , otherwise known as runner's knee, presents a common yet challenging condition affecting the kneecap's cartilage, often leading to anterior knee pain. Primarily impacting athletes and active young women, this condition arises from overuse and improper alignment surrounding the knee joint, resulting in discomfort, swelling, and pain during various physical activities. This article outlines its symptoms, causes, diagnostic approaches, and both conservative ...