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dc.contributor.authorHe Wangen_US
dc.contributor.authorKathy J. Simpsonen_US
dc.contributor.authorMichael S. Ferraraen_US
dc.contributor.authorSamatchai Chamnongkichen_US
dc.contributor.authorTracy Kinseyen_US
dc.contributor.authorOrmonde M. Mahoneyen_US
dc.description.abstractThe purpose of the study was to investigate the influence of the mechanical differences between a single-radius total knee arthroplasty (SR TKA) and a multi-radius (MR) TKA design on the functional performance during a sit-to-stand movement. Three-dimensional kinematics and electromyography for selected knee flexor and extensor muscles were obtained for 16 (8 SR and 8 MR) unilateral, posterior-stabilized TKA participants. Compared to the SR group, the MR group demonstrated compensatory adaptations, with increases in performance time, trunk flexion displacement and velocity, and knee extensor electromyography; and greater relative hamstring co-activation of the MR limbs was needed to increase joint stability. An initial knee abduction displacement was exhibited by more MR than SR participants. In conclusion, SR TKA provides functional benefits to patients. © 2006 Elsevier Inc. All rights reserved.en_US
dc.titleBiomechanical Differences Exhibited During Sit-To-Stand Between Total Knee Arthroplasty Designs of Varying Radiien_US
article.title.sourcetitleJournal of Arthroplastyen_US
article.volume21en_US College, City University of New Yorken_US University of Georgiaen_US Mai Universityen_US Orthopedic Clinicen_US
Appears in Collections:CMUL: Journal Articles

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