Patellar tendon and quadriceps serve a vital function in your body's anatomy. These complex components of the knee aid in jumping, cutting, & sudden rapid movements. This extension movement is compiled of the quadriceps muscle, quadriceps tendon, patella, patellar tendon, and tibia.

Causes of a patellar tendon tear include:

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• Forceful contraction while running, kicking, or jumping

• Falling directly on the kneecap

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Quadriceps Tendon tears: ​

• Sports Injury 

• Joint weakness 

• Underlying Chronic Knee Condition

• Bent knee under a heavy load

• Muscle strain