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POSTURE AND SEATING
Alphonse Chapanis 1965 Words Words Words Human
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aircraft aircraft attitude alphabetic ALPHONSE CHAPANIS angle arrangement attitude indicators carpal tunnel syndrome cent cognitive cumulative trauma disorders dial disc pressure disorders display Dvorak Dvorak keyboard effect engineering Ergonomics errors exertion experiment experimental fatigue Figure finger force frequency front knob function Grandjean grip hand handle height home row horizontal Human Factors increase indicator instrument investigation Journal keyboard layout Kroemer layout lumbar machine Maltron keyboard man-machine man-machine systems measured ment middle knob motion movement moving muscle musculoskeletal myoelectric myoelectric activity occupational operated knob panel performance pilots pointer position posture preferred present problems Psychology QWERTY keyboard reader reading relationship reported response rotation screen seat shoulder shown speed static stereotypes stimulus strength stress subjects symptoms Table task tenosynovitis tion torque typewriter typists ulnar deviation variables VDT operators visual workplace workstation wrist