Notebook computer use with different monitor tilt angle: effects on posture, muscle activity and discomfort of neck pain users.
This study aimed to evaluate the posture, muscle activities, and self reported discomforts of neck pain notebook computer users on three monitor tilt conditions: 100°, 115°, and 130°. Six subjects were recruited in this study to completed typing tasks. Results showed subjects have a trend to show the forward head posture in the condition that monitor was set at 100°, and the significant less neck and shoulder discomfort were noted in the condition that monitor was set at 130°. These result suggested neck pain notebook user to set their monitor tilt angle at 130°.
Department of Industrial Design, Chang Gung University, Wen-Hwa 1st Road, Kwei-Shan Tao-Yuan, Taiwan, 333, ROC. wkchiu@mail.cgu.edu.tw
Wen-Ko
WK
Chiou
Wei-Ying
WY
Chou
Bi-Hui
BH
Chen
D000328:Adult; D004576:Electromyography; D005260:Female; D006801:Humans; D008297:Male; D008838:Microcomputers; D009119:Muscle Contraction; D009334:Neck Muscles / Q000502:physiology*; D019547:Neck Pain / Q000209:etiology*; D011187:Posture; D020069:Shoulder Pain / Q000209:etiology; D064171:Superficial Back Muscles / Q000502:physiology*; D055815:Young Adult