Some risk factors for are beyond your control. Others, such as having weak quadriceps, you can change.
Risk factors that you cannot change
- Family history of kneeproblems.
- Knee abnormalities, such as knock-knees or an excessivelylong patellar tendon that allows the patella to slide too high on the kneejoint (patella alta).
- Apoorly healed injury of the hip, leg, knee, or foot.
- Previouskneecap dislocation.
- Previous knee surgery.
- Generalizedligamentous laxity, or "loose-jointedness."
- Damage to cartilage.
Risk factors that you can avoid or change
- Weak thigh muscles(quadriceps).
- The outer part of your thigh muscle is stronger orcontracts quicker than the inner thigh muscle.
- Tight ligaments,tendons, and muscles.
- Excessive body weight.
- Running,particularly on hills.
- Playing sports that require repeatedjumping, knee bending, or squatting.
- Improper athletic training or technique.