Distractors
It must handle shear forces ascending from the feet during weight-bearing
It allows slight adduction and abduction movements
It must handle torsional forces descending from the pelvis
Key
It allows slight axial rotation in addition to flexion and extension
Question
In “The Knee is Rarely the Knee’s Problem” by Nate Faye, the knee is described as a modified hinge joint rather than a true hinge joint because: