✦ LIBER ✦

An integrated approach to the study of posture in keyboard operation

✍ Scribed by M.A. Life; S.T. Pheasant

Publisher: Elsevier Science
Year: 1984
Tongue: English
Weight: 678 KB
Volume: 15
Category: Article
ISSN: 0003-6870
DOI: 10.1016/0003-6870(84)90277-1

No coin nor oath required. For personal study only.

✦ Synopsis

currently at the British Aerospace Dynamics Group, Bristol Division An initial survey showed that typists tended to work with their keyboards higher than is normally recommended in the ergonomics literature and to report discomfort in the shoulders, neck and upper back. An experiment was conducted in which biomechanical stress, subjective comfort and typing performance were evaluated with respect to keyboard height and the presence or absence of a copy stand. Increased keyboard height resulted in increased postural torque about the shoulder joint, decreased torque about the C7 vertebra, and increased discomfort. Keyboard height had no effect on typing performance.

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