Miami Dolphins linebacker Bradley Chubb (2) grabs his knee after an injury during the game against the Baltimore Ravens in the fourth quarter at M&T Bank Stadium in Baltimore, Maryland on Sunday, Dec.

Chondromalacia patella occurs when the cartilage of a person’s kneecap softens. It is common in athletes of high impact sports or those who have arthritis in their knees. Chondromalacia patella is ...

Partial knee replacement surgery replaces one part of a damaged knee with an artificial joint. Compared with total knee replacement, partial knee replacement is less painful and has a shorter recovery ...