Exposure of a body part to a hard or sharp surface/edge from a workstation or a hand tool, e.g. leaning forearms against the sharp edge of a desk/table. Contact stress has been associated with the development of some WMSDs
Association of Canadian Ergonomists/ Association Canadienne d'Ergonomie (ACE), Ergonomics Glossary, NW, Canada 2014. http://www.ace-ergocanada.ca/index.php?contentid=2 45, (Ergo - Amer) {740}