Wrist Flexion 2 : The wrist posture where the hand and wrist are bent down so that the palm of the hand moves 'toward' the forearm. When in this posture a person's grip strength can be reduced by as much as 55%
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}