Kinesiology 2241A/B Lecture 22: Biomechanics to Intervention

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Medial compartment of knee most commonly affected. Risk factors include: genetics, age, sex, obesity. Effects the things people are able to do. Knee adduction moment is a good indicator of progression and severity. Measuring a proxy for knee joint load- an indicator for this. Is not a direct measure of the load taking place in the knee. Would have to chop off knee to get a direct measure. can only get indirect measure. Indicator of what the load is like in that knee. With oa, becomes more of a load- more than 75% Knee adduction moment- alignment is the best predictor. Can determine the load by measuring alignment. If big angle, likelihood of large knee adduction moments are high. If angle is equal, higher likelihood that they have lower knee adduction moments. Boat legged alignment and then even alignment after surgery. Starts with high knee adduction moment (high proxy for medial knee load) then reduced.

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