| 摘要 |
A cradle for supporting the forearm of a computer operator above a work surface as the operator's hand and forearm are moved across the work surface for operating a computer mouse, the cradle having an elongated body of resilient foam with a longitudinally extending trough and an outer elastic sleeve extending around the elongated body and across the trough to form therewith an open channel for receiving, supporting and elevating the forearm above the work surface and for maintaining the operator's hand in a neutral position over a computer mouse for operating the mouse without abnormal cocking and hyperextension of the wrist, the sleeve providing a bottom surface adapted to glide across the work surface so that the cradle is retained under the forearm and is moved by and with the forearm as the operator's hand and forearm are moved across the work surface.
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