Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/99126
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Type: Journal article
Title: Preoperative asymmetry in load distribution during quite stance persist following total knee arthroplasty
Author: Thewlis, D.
Hillier, S.
Hobbs, S.
Richards, J.
Citation: Knee Surgery, Sports Traumatology, Arthroscopy, 2014; 22(3):609-614
Publisher: Springer-Verlag
Issue Date: 2014
ISSN: 0942-2056
1433-7347
Statement of
Responsibility: 
Dominic Thewlis, Susan Hillier, Sarah Jane Hobbs, Jim Richards
Abstract: Purpose: Preoperative function has been shown to persist posttotal knee arthroplasty. However, it remains unclear whether asymmetries are task specific. Therefore, we investigated postoperative asymmetries in loading during quiet stance and walking gait. Methods: Ten patients with end-stage knee osteoarthritis scheduled for total knee arthroplasty were studied at baseline (preoperative), 6-week, 3- and 6-month postoperative. Load distribution and balance were quantified during quiet stance. Furthermore, dynamic loading was quantified during walking gait. Patient satisfaction was assessed using the Knee Osteoarthritis and injury Outcome Score. Results: Preoperatively, load distribution was significantly different between limbs, with approximately 70 % of the load through the contralateral or ‘good’ side. Asymmetries persisted and up to 6-month postoperative during quiet stance. No significant change was found in balance. During walking, preoperative loading asymmetry was present; however, no significant postoperative loading asymmetries were identified. Conclusions: Total knee arthroplasty does not appear to significantly change load distribution or balance 6-month postoperative during quiet stance; however, during walking gait, symmetry appears to be restored. This could be potentially improved through enhanced rehabilitation. Level of evidence: Therapeutic study, Level IV.
Keywords: Postoperative asymmetry; Weight distribution; Total knee arthroplasty; Function
Description: First online: 24 July 2013
Rights: © Springer-Verlag Berlin Heidelberg 2013
RMID: 0030026513
DOI: 10.1007/s00167-013-2616-7
Appears in Collections:Orthopaedics and Trauma publications

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