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Keyboard Frame의 평면경사각과 측면경사각 및 Keypad 평면회전각의 변화가 Typing 수행도에 미치는 영향에 관한 연구
이면우,전영호,장성록,이도준,최재호,김대철,지철규,박현구 한국경영과학회 1990 한국경영과학회 학술대회논문집 Vol.- No.1
Occupational disease among typists such as Carpal Tunnel Syndrome (CTS) and tendonitis has increased along with the rapid expansion of office automation. During typing, the posture can be defined as forearm pronation, ulnar abduction, wrist extension and finger flexion. The CTS results from awkward posture between forearm-wrist-hand and the keyboard arrangement. Therefore, ergonomic principles should be emphasized in keyboard design. The objective of the study is to improve keyboard design by analyzing anatomical posture of forearm and hand during typing. An experimental study was performed to investigate relationships between a keyboard and typing performance. Results showed that typing performance is dependent to angles and slopes of a keyboard. Statistcal analysis indicated that the suggested ergonomic keyboard improved typing speed significantly(17%).