Influence of arm and wrist support on forearm and back muscle activity in computer keyboard operation.


The effects of forearm and wrist supports on the upper extremity postures in computer keying tasks and associated EMG activity of arm and back muscles were examined (N = 8). Four positions were forearms unsupported (floating) and supported, wrists supported by bead packed (WR1) and gel-filled (WR2) wrist rest. The right and left elbow extensions were 65… (More)
DOI: 10.1016/j.apergo.2008.04.016


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