Chondromalacia patella occurs when the cartilage at the back of the kneecap begins to soften and break down. This breakdown causes the kneecap to grind against the leg bones that join to form the knee joint, resulting in pain that worsens with activity. This article explores some of the exercises you can do if you have chondromalacia patella. It also looks at what kind of activities you should avoid and some other strategies that can help limit your pain.
Source: Verywell health