Most descriptions of the knee's extensor mechanism overlook its complexity and variations in structure.
A study of 20 cadaver limbs revealed only 3 showed the typical quadriceps tendon arrangement, with many presenting more intricate fiber patterns.
The medial patellofemoral ligament was found more frequently than the lateral one, highlighting its importance in stabilizing the patella, suggesting that understanding these anatomical differences could help with knee joint issues and total knee replacements.