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), pp. 11-19. (doi:10.1054/arth.2002.28731).

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Description/Abstract

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.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1054/arth.2002.28731
ISSNs: 0883-5403 (print)
Related URLs:
Keywords: total knee arthroplasty, mobile bearing knee, knee motion, knee kinematics, fluoroscopy
Subjects:

ePrint ID: 39171
Date :
Date Event
2002Published
Date Deposited: 21 Jun 2006
Last Modified: 16 Apr 2017 21:56
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/39171

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