Causes
- Meniscus tears
- ligament injury (ACL or MCL)
- cartilage wear
- tendonitis
- excess load on the patella
Symptoms
- Swelling
- popping or clicking sounds while bending
- locking of the joint
- inability to bear full body weight
Risk Factors
- High BMI
- repetitive kneeling or squatting
- sports injuries
- aging cartilage
