Upper limb discomfort profile due to intermittent isometric pronation torque at different postural combinations of the shoulder-arm system PRABIR MUKHOPADHYAY# LEONARD W.O’ SULLIVAN*Ŧ Tel: + 353 61 234249 Fax: + 353 61 202913 Email leonard.osullivan@ul.ie TIMOTHY J. GALLWEY* # National Institute of Design, Post Graduate Campus, GH-0 Extension Road, Gandhinagar 382007, Gujarat, India. * Ergonomics Research Centre, Department of Manufacturing and Operations Engineering, University of Limerick, Ireland Ŧ Contact author