2014
DOI: 10.1590/0103-5150.027.002.ao12
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Comparison of the electrical activity in upper trapezius and wrist extensor muscles during two typewriting conditions

Abstract: Introduction The proper use of the position of the arm and wrist while typing may reduce muscle overload and prevent musculoskeletal disorders.Objective To evaluate the electromyographic activity of upper trapezius and wrist extensor muscles during two typewriting conditions.Materials and methods : Six healthy females (Xage = 42 years,SD= 10), (Xheight = 1.65m, SD = 0.05) and (Xweight = 71kg, SD = 16) participated in this study. The task was performed with a newly developed arm support and without the support.… Show more

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Cited by 2 publications
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“…This proposition was supported by other studies, (11,12) and the control parameter assumed was the case itself, i.e., the first measurement in relation to the second measurement (before and after measurements).…”
Section: Methodssupporting
confidence: 74%
“…This proposition was supported by other studies, (11,12) and the control parameter assumed was the case itself, i.e., the first measurement in relation to the second measurement (before and after measurements).…”
Section: Methodssupporting
confidence: 74%