About.com guide explains the degeneration of knee cartilage and what typically causes it. Includes symptoms and self-treatment suggestions.

Sufferer of the disease shares personal experiences and ways of coping. Offers a compilation of all the research she's compiled on the subject.

Offers researched documents detailing possible causes for the knee injury. Includes diagnostic criteria.

Suggestion lists for patients about to undergo knee surgery or other surgery limiting movement during recovery.

Gives knee injury advice geared toward those who practice sports and are at risk for chondromalacia. Offers tips on prevention.