Author(s)

K. Sadeghipour, J.C. McGinley and S.H. Koziif

Abstract

The interosseous membrane (IOM) is a fibrous structure located within the forearm that possesses distinct direction and shape patterns. The definitive function of this structure currently remains undefined. We propose that the IOM functions similarly to a composite material composed of stiff central fibers (longitudinal portion) surrounded by a supporting fibrous matrix (transverse portion). The matrix of the membrane is not actively involved in force transfer, but rather it functions to maintain the orientation of the IOM fibers relative to the radius and ulna. The matrix also transfers applied forces to the load bearing longitudinal fibers. The experimental process consisted of a force being applied by a tensile testing apparatus across

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