Effects of electromyographic and mechanomyographic biofeedback on upper trapezius muscle activity during standardized computer work

Article Abstract:

Increased health expenses have made the prevention of musculoskeletal disorders (WMSD) a top priority. Computer work greatly contributes to WMSD and the effects of surface electromyography (EMG)- and mechanomyography (MMG)- based audio and visual biofeedback during computer work were compared and it was confirmed that MMG as biofeedback is better in terms of lowering trapezius activity level than EMG.

Electromyography, Biofeedback training, Biofeedback

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The feasibility of repositioning ability as a tool for ergonomic evaluation: Effects of chair back inclination and fatigue on head repositioning

Article Abstract:

Increase in the usage of computers at workplaces means that more people are facing a video display unit (VDU) resulting in an increase in neck pain due to forward inclination of the head without any support. Ergonomic factors like posture and fatigue are sensitive to repositioning ability and could be used to evaluate the working conditions.

Causes of, Neck pain

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An investigation of children's posture and discomfort during computer use

Article Abstract:

A study investigates the posture and discomfort of schoolchildren during computer use by Rapid upper limb assessment (RULA) method. It is observed that most children complain of discomfort, but it is not clear whether it is due to poor sitting postures or computer use.

Students, Senior High, Analysis, Physiological aspects, High school students

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