Which facet(s) of the patella are subject to the earliest degenerative changes under normal conditions? Why?
What will be an ideal response?
ANS:
Under normal conditions, the medial facet receives the greatest amount of overall compression. Although the thickest articular cartilage in the body is found on this surface, degenerative changes are common with aging but are rarely progressive to the point of becoming symptomatic. Similarly, the odd facet of the patella may show asymptomatic degenerative change, but such changes are likely due to inadequate rather than excessive compression.
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