Motion of a mobile bearing knee allowing translation and rotation
Walker, Peter S., Komistek, Richard D., Barrett, David S., Anderson, Dylan, Dennis, Douglas A. and Sampson, Madeleine (2002) Motion of a mobile bearing knee allowing translation and rotation. Journal of Arthroplasty, 17, (1), 11-19. (doi:10.1054/arth.2002.28731).
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The kinematics of a mobile bearing knee, which allowed ±20° of rotation and 4.5 mm of anteroposterior translation, was measured for ascending and descending a step, deep-knee bend, normal walking, and twisting. A fluoroscopic technique was used, analyzed by 2 different methods. The rotations and displacements during the activities were similar to those of moderate-to-high constrained fixed bearing knees. The motion patterns were variable among test subjects and in general did not reproduce normal knee motion. Because of the freedom of anteroposterior translation and rotation in the design, however, each knee could determine its own neutral position and its own axis of internal-external rotation, depending on the activity.
|Keywords:||total knee arthroplasty, mobile bearing knee, knee motion, knee kinematics, fluoroscopy|
|Subjects:||T Technology > T Technology (General)
R Medicine > R Medicine (General)
R Medicine > RD Surgery
|Divisions:||University Structure - Pre August 2011 > School of Engineering Sciences > Bioengineering Sciences
University Structure - Pre August 2011 > School of Chemistry
|Date Deposited:||21 Jun 2006|
|Last Modified:||27 Mar 2014 18:24|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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