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| | eMedicine - Patellar Tendon Rupture : Article by Christopher Annunziata, MD |
 | | With a tendon rupture extending through the medial and lateral retinacula, active extension is completely lost and the patient is unable to maintain the passively extended knee against gravity. |
 | | Anteriorly, the fibers of the rectus femoris tendon traverse the patella and condense inferior to the patella to insert on the tibial tubercle as the patellar tendon. |
 | | In the circumstance of patellar tendon rupture secondary to systemic disease, such as chronic renal failure, SLE, rheumatoid arthritis, or diabetes, the tendon rupture is rarely the harbinger or the first symptom of the disease. |
| www.emedicine.com /orthoped/topic246.htm (5795 words) |
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