Part 1 Concepts, methods and a philosophy: the value of participation; ergonomics and methods; strategies for introducing and implementing participatory ergonomics into organizations. Part 2 Specific case studies: enhancing participatory strategies through supervisory and management support systems, A.S.Imada; participatory ergonomics in industrially developing countries, K.Kogi; quality control circle activities used to improve productivity, worker health and safety and better utilization of an ageing workforce, M.Nagamachi; participatory and QCC activities in the Federal Republic of Germany, K.Zink; integrating participation and new technology implementation, R.G.Rawlings.