Knee
The knee joint joins the thigh with the lower leg and consists of two articulations: one between the femur and tibia, and one between the femur and patella. It is the largest joint in the human body and is very complicated. The knee is a mobile trocho-ginglymus (a pivotal hinge joint), which permits flexion and extension as well as a slight medial and lateral rotation. Since in humans the knee supports nearly the whole weight of the body, it is vulnerable to both acute injury and the development of osteoarthritis.
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“Gold? Yellow, glittering, precious gold?
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Will knit and break religions, bless th accursed,
Make the hoar leprosy adored, place thieves,
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With senators on the bench.”
—William Shakespeare (15641616)