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The Sporting Osteoarthritic Knee

I have had a personal interest in the management of osteoarthritic knees that dates back to the mid 1980’s when I dislocated my knee playing hockey. After the surgery and a long period of immobilisation, I was told by my surgeon that I would never be able to run or play sport again and that my then 26 year old knee would quickly succumb to arthritis. The first part of the surgeons advice proved to be way off the mark, as I managed to get back to running based sport. The second piece of advice was however spot on. My left knee has gradually deteriorated over the years, becoming more painful and less functional as regards running, twisting and turning. I’m not surprised at this as it is well documented that severe joint injury increases the risk of developing osteoarthritic joint surface changes. Despite this I have maintained an optimistic and positive approach to the management of my knee because there is a large body of evidence that supports the proactive management of so called “worn out” joints.

It turns out that building strength and exposing arthritic joints to good functional loading, reduces pain and improves function. However, this approach can be difficult to implement because of a “Catch 22” scenario - the exercises and activities that have the potential to reduce pain and improve function can be curtailed by the very pain that they are supposed to reduce. Physiotherapists can help patients get around this by customising and tweaking specific exercises. However, there is another and frequently under utilised strategy. This is the use of an unloader knee brace. Unloaders are lightweight sports braces that reduce pain by altering the direction of force transmission through the knee.

There is a saying in Physio & Sport Injury Rehab circles that “pain ruins exercise”. I subscribe wholeheartedly to this. Reducing or even eliminating knee pain with an unloader brace can be a crucial step in being able to expose the knee to exercise and activity loads that have the potential for long term pain control and functional preservation.

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