Patellofemoral instability accounts for approximately 3% of all knee injuries and predominantly affects young ...

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.

What does it mean to have a broken kneecap? Your kneecap, or patella, is a sesamoid bone, meaning it’s not attached to bone on either end—it sits in the tendon, explains Kevin Stone, M.D., orthopedic ...