Applied biomechanics of the patella.

@article{Grelsamer2001AppliedBO,
  title={Applied biomechanics of the patella.},
  author={Ronald P. Grelsamer and Craig H. Weinstein},
  journal={Clinical orthopaedics and related research},
  year={2001},
  volume={389},
  pages={
          9-14
        }
}
Although numerous prominent orthopaedists of the twentieth century considered the patella to be useless, even detrimental, it now is clear that the patella serves an important biomechanical function. It is a complex lever that magnifies the moment arm of the extensor mechanism. The patellofemoral contact area (the fulcrum of the lever) shifts along a proximodistal axis through the knee's arc of motion. As the knee flexes, the force within the patellar tendon diminishes relative to that of the… CONTINUE READING
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