Interosseous membrane (IOM) extreme tautness in forearm neutral position, evident from in vitro anatomical observations, strongly suggests unwished effects on fingers and thumb long muscles, during repetitive tasks in vivo

Abstract

This short survey is concluded by stating that of all positions of the forearm, its so-called “neutral” position contains the greatest potential source of muscular and other damage during longstanding and repetitive movements of thumb and fingers. Most of this present conclusion is based on evident observations in preserved anatomical specimens of the forearm, supple enough to be compared to the situation in the living. Studies performed by means of modern imaging techniques moreover, applied to the forearms in otherwise normal subjects do clearly support these observations. To avoid the abovementioned effects, as a consequence of PC mice in “handshake” of “joystick” positions, we strongly recommend pronated positions of the forearm, explicitly the somewhat tilted variances e.g. in using lightly slanted computer mice, by proof requiring least muscle activities