Quadriceps tendon rupture

Last revised by Rohit Sharma on 27 May 2024

Quadriceps tendon rupture is usually associated with forced flexion of the knee or a direct blow, although spontaneous ruptures are reported.

Predisposing illnesses include: 

Quadriceps tendon rupture is one of the extensor mechanism of knee injuries, more common than patellar tendon rupture but less common than patellar fractures.

Most ruptures are thought to occur at or around the osseotendinous junction at the superior pole of the patella 4.

  • complete ruptures of the quadriceps tendon are treated surgically with transosseous sutures passed through longitudinal patellar drill holes 8

  • partial ruptures may be treated conservatively depending on the extent of the rupture 7

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