C Shaped Hand Posture : Positioning fingers and thumb in the form of a "C" provides neutral postures for fingers and thumb eliminating pinch grip. This is the desired hand posture for using hand tools
US Department of Labor, Ergonomics in the Printing Industry eTool: Glossary, Occupational Safety & Health Administration OSHA, Washington, D.C., USA 2010. https://www.osha.gov/SLTC/etools/printing/glossary .html, (OSHA/ Ergo in Printing Ind - Amer) {621}