Abstract
were 8.2±3.2◦, 10.2±3.7◦ and 8.8±5.3◦ in group A, and 7.3±3.5◦, 12.6±2.6◦ and 12.5±4.2◦ in group B. EMG analysis revealed prolonged activation of the medial/lateral vasti muscles in group A. Such muscle co-contraction was not generally observed in all patients in group B, this being proving more stability in the knee joint after TKA according KA. Discussion: These results reveal that better function occurs usingKA thanNMA inTKR. Though small differenceswereobserved between TKR groups in terms of motion data, the higher data consistency and the less prolonged muscle activations identified using KA support the claim of a more natural soft tissue balance in corresponding knees. More patients are needed to establish the superiority of KA.
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