Assessment of kinematic and kinetic patterns following limb salvage procedures for bone sarcoma

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Title Assessment of kinematic and kinetic patterns following limb salvage procedures for bone sarcoma
Author Carty, Christopher Paul; Bennett, Michael B.; Dickinson, Ian C.; Steadman, Peter
Journal Name Gait & Posture
Year Published 2009
Place of publication Netherlands
Publisher Elsevier
Abstract Bone sarcomas are the fourth most common cancer in individuals under 25 years. Limb salvage procedures have become increasingly popular for the treatment of osteosarcomas as they have functional and psychological benefits over traditional amputative procedures. The purpose of this paper was to evaluate kinematic and kinetic characteristics of patient's post-limb salvage and examine key predictive factors of gait dysfunction. A retrospective outcome studywas undertaken on 20 limb salvage patients (10,, 10<) recruited from the Queensland Bone Tumour Registry. Kinematic and kinetic data were collected using a 3D motional analysis system and three force platforms. Loading response knee flexion in the affected lower limb was reduced compared to the unaffected lower limb (P < 0.001) and the control group (P < 0.001), although, closer examination of results showed two contrasting patterns of knee flexion during loading. Multiple regression analysis showed that muscular integrity (i.e. strength, ROM and residual mass) was the most predictive factor of function following limb salvage surgery. ANOVA showed that patients treated with the Stanmore SIMLESTM prostheses exhibited superior torque and power production at the ankle during late stance compared to those treated with the Stryker HMRS. In summary, the results showed that limb salvage patients adopted a gait pattern that reduced the moment demand at the knee and hip, suggesting a compensation for pain, reduced stability and/or muscle weakness.
Peer Reviewed Yes
Published Yes
Alternative URI http://dx.doi.org/10.1016/j.gaitpost.2009.08.234
Volume 30
Issue Number 4
Page from 547
Page to 551
ISSN 0966-6362
Date Accessioned 2010-02-23
Language en_AU
Research Centre Griffith Health Institute
Faculty Griffith Health Faculty
Subject Biomechanics
URI http://hdl.handle.net/10072/30370
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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