NPTE Physical Therapist Exam Review

Category - Orthopedic Trauma

The patellar tendon most commonly ruptures at?
  1. Near its proximal end
  2. Near its distal end
  3. At the posterior pole of patella
  4. All of these
Explanation
Answer: A - In the flexed knee position, the patellar tendon sustains greater stress than the quadriceps tendon, and the tensile load is much higher at the insertion sites than in the midsubstance of the tendon. Therefore, the patellar tendon most commonly ruptures near its proximal end, off the inferior pole of the patella.
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