Human Factors Criteria for the Design and Acquisition of ... - FAA
Human Factors Criteria for the Design and Acquisition of ... - FAA
Human Factors Criteria for the Design and Acquisition of ... - FAA
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Keyboards June 2004e. Pronation/supination – 0-60 degrees pronation, withcloser to 45 degrees pronation preferredExhibit 9.3.1.e Pronation/Supination: Supination, Neutralwrist, Pronation[Source: Armstrong & Chaffin, 1979; Bach, Honan, & Rempel, 1997;Cook & Kothiyal, 1998; Erdelyi, Sihoven, Helin & Hanninen, 1988;Gr<strong>and</strong>jean, 1988; Gr<strong>and</strong>jean, Hunting & Piderman, 1983; Hunting,Laubli & Gr<strong>and</strong>jean, 1981; Keir, Bach & Rempel, 1999; Marcus, Gerr,Monteilh, Ortiz, Gentry, Cohen, Edwards, Ensor & Kleinbaum, 2002;OSHA, 1997; Rempel, 1995; Rempel, Bach, Gordon & So, 1998;Sauter, Schleifer & Knutson, 1991; Simoneau & Marklin, 2001; Weiss,Gordon, Bloom, So & Rempel, 1995;Werner, 1997; Zipp, Haider,Halpern, & Rohmert, 1983]Additional in<strong>for</strong>mation. The fur<strong>the</strong>r postures deviate fromneutral positions, <strong>the</strong> higher <strong>the</strong> probability <strong>of</strong> cumulativetrauma disorders. [Source: Matias et al., 1998]9.3.2 Keyboard support surface height. The keyboardsupport surface should be adjustable from 65 cm (25.6inches) to 82 cm (32.3 inches) without <strong>the</strong> need <strong>for</strong> specialtools. [Source: Gr<strong>and</strong>jean, 1988; Miller & Su<strong>the</strong>r, 1983; Nakaseko,1985]9-6
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