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The effect of osteoarthritis of the knee on the biomechanics of other joints in the lower limbs

Metcalfe, A. J., Stewart, C., Postans, N., Dodds, A. L., Holt, Catherine Avril and Roberts, A. P. 2013. The effect of osteoarthritis of the knee on the biomechanics of other joints in the lower limbs. The Bone & Joint Journal 95-B (3) , pp. 348-353. 10.1302/0301-620X.95B3.30850

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Abstract

The aim of this study was to examine the loading of the other joints of the lower limb in patients with unilateral osteoarthritis (OA) of the knee. We recruited 20 patients with no other symptoms or deformity in the lower limbs from a consecutive cohort of patients awaiting knee replacement. Gait analysis and electromyographic recordings were performed to determine moments at both knees and hips, and contraction patterns in the medial and lateral quadriceps and hamstrings bilaterally. The speed of gait was reduced in the group with OA compared with the controls, but there were only minor differences in stance times between the limbs. Patients with OA of the knee had significant increases in adduction moment impulse at both knees and the contralateral hip (adjusted p-values: affected knee: p < 0.01, unaffected knee p = 0.048, contralateral hip p = 0.03), and significantly increased muscular co-contraction bilaterally compared with controls (all comparisons for co-contraction, p < 0.01). The other major weight-bearing joints are at risk from abnormal biomechanics in patients with unilateral OA of the knee.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TJ Mechanical engineering and machinery
Publisher: The British Editorial Society Of Bone & Joint Surgery
ISSN: 2049-4394
Last Modified: 04 Jun 2017 04:46
URI: http://orca-mwe.cf.ac.uk/id/eprint/44555

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