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Article in Chinese | WPRIM | ID: wpr-683125


Objective To determine the extent and distribution of error in knee joint proprioception and e- valuate the relationship between knee joint proprioception and pain and dysfunction.Methods Twenty-eight knee OA patients (19 female and 9 male) were compared with 27 age-matched healthy adults (20 female and 7 male). Knee joint proprioception was measured with a repositioning test on the Biodex dynamometer.The pain and knee dys- function were assessed with Visual Analogue Scale and Lequesne Index,respectively.Results Knee OA patients produced 79% more proprioception errors than the healthy subjects (P

Article in Chinese | WPRIM | ID: wpr-682696


Objective To evaluate the functional changes in the isometric,concentric and eccentric muscle strength of the knee extensors and flexors in patients with knee osteoarthritis,and to explore the relationship among these contractions.Methods A Biodex System-3 isokinetic test system was used to assess the isometric,concentric and eccentric strength of the knee extensors and flexors of the involved and uninvolved limbs of 54 patients suffering from osteoarthritis.Results The strength of the knee extensors and flexors of the involved limbs was significantly less than that of the uninvolved legs in the different contraction modes(P<0.05).The difference was especially marked in concentric and eccentric contraction at low angular velocity.The hamstrings/quadriceps ratio and the dy- namic control ratio showed abnormalities in the muscle balance of the hamstrings and quadriceps.Conclusion Iso- kinetic testing should be applied and the hamstrings/quadriceps ratio and the dynamic control ratio should be analyzed in evaluating patients with knee osteoarthritis.