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E. Serina

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Publications by E. Serina (bibliography)

1995

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Honan, M., Serina, E., Tal, R. and Rempel, D. (1995): Wrist Postures While Typing on a Standard and Split Keyboard. In: Proceedings of the Human Factors and Ergonomics Society 39th Annual Meeting 1995. pp. 366-368.

“Fifty experienced typists participated in a laboratory based repeated measures study with two factors: keyboard height (three) and keyboard configuration (three). The work surface heights tested were 63, 67 and 71 cm. The three keyboard configurations tested were: standard (Apple Extended), alternative keyboard A (Microsoft Natural Keyboard) and alternative keyboard B (equivalent to Natural Keyboard with Leveler extended). Wrist and forearm posture data was acquired using electronic goniometers during 10 minutes of typing at each keyboard/height level. Across all heights tested, wrist extension, wrist ulnar deviation, and forearm pronation were statistically significantly closer to neutral when using alternative keyboard B than when using the standard keyboard.”

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