An anatomical and biomechanical assessment of the interosseous membrane of the cadaveric forearm

Ten cadaveric specimens underwent biomechanical assessment on a motorized jig with an in-built torque sensor. A differential variable reluctance transducer was placed on the central bundle of the interosseous membrane to detect changes in strain. Torque was measured with an intact interosseous membr...

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Bibliographic Details
Published inThe Journal of hand surgery, European volume Vol. 45; no. 4; p. 369
Main Authors Bin Abd Razak, Hamid Rahmatullah, Andy Yew, Khye-Soon, Bin Mohd Moideen, Irwan Shah, Kenny Tay, Xian-Khing, Howe, Tet-Sen, Joyce Koh, Suang-Bee
Format Journal Article
LanguageEnglish
Published England 01.05.2020
Subjects
Interosseous membrane
biomechanics
forearm
Essex-Lopresti
anatomy
IOM
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Summary:Ten cadaveric specimens underwent biomechanical assessment on a motorized jig with an in-built torque sensor. A differential variable reluctance transducer was placed on the central bundle of the interosseous membrane to detect changes in strain. Torque was measured with an intact interosseous membrane and a sectioned central bundle of the interosseous membrane. Changes in strain and torque were plotted against the degree of rotation of the cadaveric forearms. We found that the overall magnitude of strain to be greatest in pronation and smallest in supination. However, the relative displacement of the interosseous membrane between pronation and supination was minimal in absolute terms. There was no difference in torque between an intact and cut central bundle. We conclude that the interosseous membrane acts as a static longitudinal stabilizer of the forearm and less so as a rotational stabilizer.
ISSN:2043-6289
DOI:10.1177/1753193419900490