A knee guard provides compression and does not provide any additional stability. It can provide mild pain relief in patients with osteoarthritis of the knee, especially on climbing stairs. However, knee guards do not really prevent injuries in contact sports and do not work well in patients with advance arthritis of the knee.
Braces and guards do help in milder cases of wear and tear. However, when the wear and tear becomes severe, then it is known as osteoarthritis. In such cases, these aids do not work very well.
Q&A answered by Dr Kevin Lee, medical director of the Centre for Joint & Cartilage Surgery, a subsidiary of the Singapore Medical Group Limited. Dr Lee was awarded both the Singapore Orthopaedic Association Young Investigator Award and N Balachandran Award in 2005 and is the Principal Investigator for several active grants involving cartilage repair, stem cells, biomaterials and joint replacements.
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