The patellar tendon helps the muscles extend the knee. This injury is most common in athletes who frequently jump, such as when playing basketball and volleyball.
Knee pain, swelling, and stiffness are common symptoms.
Treatment usually begins with physical therapy and pain relief.
- patellar tendinitis
- sinding-larsen-johansson disease
Consult a doctor for medical advice
Sources: Mayo Clinic and others.
More than 200,000 US cases per year
Lab tests or imaging not required
Short-term: resolves within days to weeks