Alterations to wrist tendon forces following flexor carpi radialis or ulnaris sacrifice: a cadaveric simulator study

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Title: Alterations to wrist tendon forces following flexor carpi radialis or ulnaris sacrifice: a cadaveric simulator study
Authors: Shah, D
Middleton, C
Gurdezi, S
Horwitz, M
Kedgley, AE
Item Type: Journal Article
Abstract: Tenotomies, tendon transfers or nerve injuries can result in partial or complete loss of the flexor carpi radialis (FCR) or flexor carpi ulnaris (FCU) function. The aim of this study was to observe alterations in the distribution of muscle forces at the wrist due to the absence of each of these flexors. Cyclic planar and complex wrist motions were actively simulated in cadaveric specimens by applying tensile loads to six muscle tendons using a validated physiological wrist simulator. The absence of FCR or FCU resulted in higher forces in synergists, coupled with lower forces in antagonists, and an overall decrease in the total force of all tendons. Thus, alterations in wrist tendon forces following reconstructive procedures utilising a tendon may have clinical implications, such as muscle fatigue or reduced strength.
Issue Date: 1-Oct-2018
Date of Acceptance: 20-May-2018
ISSN: 1753-1934
Publisher: SAGE Publications
Start Page: 886
End Page: 888
Journal / Book Title: Journal of Hand Surgery (European Volume)
Volume: 43
Issue: 8
Copyright Statement: © The Author(s) 2018. This article is distributed under the terms of the Creative Commons Attribution 4.0 License ( which permits any use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (
Sponsor/Funder: Arthritis Research UK
The Royal Society
Funder's Grant Number: 20556
Keywords: Science & Technology
Life Sciences & Biomedicine
flexor carpi radialis
flexor carpi ulnaris
wrist simulator
muscle forces
1103 Clinical Sciences
Publication Status: Published
Online Publication Date: 2018-06-27
Appears in Collections:Faculty of Engineering

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