A guide to safety aspects in the design of equipment and the conduct of experiments. It is concerned with whole body vibration and its purpose is to reduce the chance of the subject and other personnel being exposed to undue risk of injury arising from exposure to shock or vibration, or maloperation of the vibration equipment. To be read in conjunction with BS 6841Cross References:BS 2771:Part 1BS 3015BS 4220:Part 1BS 5304BS 6841Replaces BS DD 23:1973.