Before revision: With progression, scar tissue (or fibrosis) leads to closure of the anterior interval, tethering the patella tendon and causing pain, loss of range of motion, damage to knee cartilage, and/or pain, among other URL
After revision: With progression, scar tissue (or fibrosis) leads to closure of the anterior interval, tethering the patella tendon and causing pain, loss of range of motion, damage to knee cartilage, and/or pain, among other symptoms.