A comparison of joint position sense, determined by reproducibility of index angles and their subsequent change, was performed in 55 knees that had undergoing a semiconstrained total knee arthroplasty. Knees were stratified into groups that represented arthroplasties performed with or without posterior cruciate ligament retention, with or without resurfacing of the patella, and with or without cement for fixation. There was no significant difference in joint position sense among all the arthroplasty groups. Likewise, there was no difference in joint position sense between any of the arthroplasty groups and an age-matched control group of 32 knees in 32 patients who had not previously undergoing a total knee arthroplasty. Knee arthroplasty does not affect joint position sense.
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