The task required data entry only, using the rightside number pad. The data for keying were presented on the screen to control for neck posture changes. Before starting and at the completion of each task the subjects marked any areas of pain, ache or discomfort they were experiencing on a body map based on the Corleit and Bishop body part discomfort (BPD) method’ I. Recording of RULA was conducted 15 min after starting the task when the operator had settled into a working rhythm and posture. The right side of the body was evaluated as the was the arm experiencing higher muscoloskeletal loading.