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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: Work posture, workstation design, and musculoskeletal discomfort in a VDT data entry task.
    Author: Sauter SL, Schleifer LM, Knutson SJ.
    Journal: Hum Factors; 1991 Apr; 33(2):151-67. PubMed ID: 1860702.
    Abstract:
    Self-report data on musculoskeletal discomfort were collected from several hundred VDT users in two agencies of a state government. Aspects of worker posture and workstation design were objectively assessed for 40 of the VDT users. Multiple regression analyses were used to examine the relationship between these ergonomic variables and musculoskeletal discomfort. Effects of ergonomic factors on musculoskeletal discomfort were clearly evident in the analyses. Regression models explained up to 38% of the variance in discomfort at different body sites. Of special interest was that leg discomfort increased with low, soft seat pans, suggesting that postural constraint is more important than thigh compression as a risk factor for leg discomfort in VDT work. In addition, arm discomfort increased with increases in keyboard height above elbow level, supporting arguments for low placement of the keyboard. Finally, high levels of neck and shoulder girdle discomfort observed in the study population suggest the need for further attention to the control of cervicobrachial pain syndromes in VDT work.
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