An ergonomic aid to reduce shoulder and torso loads for operating working in static working postures

摘要

A device to support the arm of a user comprises an arm support ( 10 ) pivotally attached to a frame member ( 4 ), the frame member ( 4 ) being mountable or attachable to a chair ( 1 ), the device comprising means ( 4 ) to allow the support surface ( 10 ) to be positionable at user-defined positions above the chair when attached thereto and means ( 5 ) to allow the support surface ( 10 ) to be positionable in a plurality of user-defined positions to support the forearm of a user whilst undertaking a task. The device may be used in a dentist's chair.