Dr. Ebraheim’s educational animated video describes the condition known as patellar tendonitis or jumper's knee.
The patella facilitates the function of the quadriceps to straighten the knee.
Patellar tendonitis is often referred to as “jumper’s knee”. It is an overuse condition that usually occurs in sports athletes who perform repetitive jumping activities.
Patellar tendonitis commonly causes pain in the inferior patella area just below the kneecap and affects about 20% of jumping athletes.
Jumper’s knee can occur above the patella, below the patella or at the tendon insertion into the tibia. The most common area for patellar tendonitis to occur is just below the kneecap.
Examples of sports activities that are typically associated with patellar tendonitis include basketball, volleyball, soccer and it also may occur in runners.
It is a common cause of pain in the inferior patellar region. It occurs due to irritation of the tendon and progresses to tearing and degeneration.
It is a degenerative process rather than inflammatory tendonitis affecting 20% of jumping athletes.
Palpation below the kneecap will reproduce the patient’s symptoms.
Xrays will appear normal.
MRI and ultrasound will show degenerative changes in the tendon and tendon hypertrophy.
Ultrasound with colored Doppler may show increased vascularity.
Examine the patient for flexibility of the lumbar spine as well as the hamstring and quadriceps tendon. Stiffness may cause patellar tendonitis.
Treatment
•Antiinflammatory medication
•Rest
•Ice
•Physiotherapy
•Stretching and strengthening
•Activity modification.
•Patellar tendonitis strap helps relieve knee pain caused by patellar tendonitis.
•Injections
Do not inject steroids into the tendon
Could inject around the tendon
Early stages of patellar tendonitis will respond well to nonoperative treatment
Needling with injection of PRP is probably a good option however not proven.
When the patient continues to have pain during activity and rest, conservative treatment will not work.
If conservative treatment fails for 612 months, surgical treatment is indicated.
Surgery consists of excision of the degenerated parts of the tendon at the inferior part of the patella.
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