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The pedipalps have the typical arachnid structure with a coxa, trochanter, femur, patella, tibia and tarsus.
en.wikipedia.org The most significant variations are between cemented and uncemented components and between resurfacing the patella or not.
en.wikipedia.org In theory, this technique could disrupt the superficial pain receptors near the patella in hopes of relieving anterior knee pain, a common post-operative complaint.
en.wikipedia.org Immediate reduction can be accomplished by hyperextension of the knee, and by providing a medialward pressure to move the patella back into the patellofemoral groove.
en.wikipedia.org It extends from the lower margin of the patella above, to the infrapatellar synovial fold below.
en.wikipedia.org