Rectus femoris tendon rupture upper pole patella

Case contributed by Dr Chris O'Donnell

Presentation

Sudden severe knee pain whilst performing squats in the gym

Patient Data

Age: 50
Gender: Male

Rupture of rectus femoris component of the quadriceps tendon with retraction. Vastus lateralis and intermedius remain intact and vastus medialis is only partially disrupted. Patellar position remains normal in relation to the femoral trochlea.

Case Discussion

The quadriceps tendon is made up of 4 muscles ie vastus lateralis, medialis and intermedius as well as rectus femoris. Quadriceps tendon rupture can be complete or incomplete. If incomplete, usually the largest component tears, i.e. rectus femoris (as in this case).

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Case information

rID: 34941
Case created: 15th Mar 2015
Last edited: 21st Nov 2015
Inclusion in quiz mode: Included

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