Quadriceps Tendon Rupture

Quadriceps

The quadriceps are the anterior thigh muscles that straighten the knee (extend the knee).

The quadriceps tendon inserts into the upper pole of the kneecap (patella).

Quadriceps Tendon Rupture

The quadriceps tendon can rupture. This is a rare occurrence but can be debilitating and painful when it occurs.

Quadriceps tendon ruptures are associated with:

  1. Chronic renal failure patients.
  2. People with alkaptonuria (Alkaptonuria is a rare inherited genetic disorder in which the body cannot process the amino acids phenylalanine and tyrosine, which occur in protein.)
  3. Trauma e.g. falls.
  4. Diabetes.
  5. Gout.
  6. Steroids use.
  7. Fluoroquinolone use (a type of antibiotics).
  8. Post-surgery or post-patella dislocation.

Diagnosis

MRI scan of the knee joint will usually show the ruptured tendon.

Treatment

In complete quadriceps tendon ruptures with loss of knee extension, surgery to repair the torn tendon  back to the patella (kneecap bone) is necessary.

Ruptured Quadriceps Tendon as seen during surgery to repair it.

 

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ABOUT DR HC CHANG

  • 16 years of experience in surgical and non-surgical procedures in sports injuries.
  • Received multiple awards and accolades in the Orthopaedic field.
  • He is a USA Sports Medicine Fellowship trained Orthopaedic Surgeon and is a member of the Arthroscopy Association of North America as well as the International Society of Arthroscopy, Knee Surgery and Orthopaedic Sports Medicine.
  • Published many acclaimed articles on Sports Medicine. If you are experiencing one or more of the symptoms mentioned above, it is important to get a prompt and accurate diagnosis to determine the severity of your injury and get proper treatment immediately.

 

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