What is the pathophysiology of prepatellar bursitis (housemaid's knee)?

Updated: Sep 15, 2020
  • Author: Divakara Kedlaya, MBBS; Chief Editor: Dean H Hommer, MD  more...
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Answer

The prepatellar bursa is a flat, round, synovial-lined structure; its main function is to separate the patella from the patellar tendon and skin. This bursa is superficial, suggesting that it is undeveloped at birth. Within the first few months to years of life, the bursa arises from direct pressure and friction. It reduces friction between the skin and the patella and allows maximal range of motion (ROM).


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