Effect of Computer Keyboard Slope and Height on Wrist Extension Angle

  title={Effect of Computer Keyboard Slope and Height on Wrist Extension Angle},
  author={Guy G. Simoneau and Richard W. Marklin},
  journal={Human factors},
  volume={43 2},
The goal of this study was to determine the systematic effect that varying the slope angle of a computer keyboard along with varying keyboard height (relative to elbow height) have on wrist extension angle while typing. Thirty participants typed on a keyboard whose slope was adjusted to +15 degrees, +7.5 degrees, 0 degrees, -7.5 degrees, and -15 degrees. The height of the keyboard was set up such that participants' wrists were at the same height as their elbows, above their elbows, and four cm… CONTINUE READING


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