The Relation Between Upper Limb Muscle and Brain Activity in Two Precision Levels of Repetitive Light Tasks

• Autorzy: Zadry H. R. , Md Dawal S. Z. , Taha Z.
• Języki publikacji: EN

Abstrakty

EN

A study was conducted to investigate the effects of repetitive light tasks of low and high precision on upper limb muscles and brain activities. Surface electromyography (EMG) and electroencephalography (EEG) were used to measure the muscle and brain activity of 10 subjects. The results show that the root-mean-square (RMS) and mean power frquency (MPF) of the muscle activity and the mean power of the EEG alpha bands were higher on the high-precision task than on the low-precision one. There was also a high and significant correlation between upper limb muscle and brain activity during the tasks. The longer the time and the more precise the task, the more the subjects become fatigued both physically and mentally. Thus, these results could be potentially useful in managing fatigue, especially fatique related to muscle and mental workload.

Słowa kluczowe

EN

upper limb muscle; brain activity; precision repetitive; light task

• Wydawca: Taylor & Francis
• Czasopismo: International Journal of Occupational Safety and Ergonomics
• Rocznik: 2011
• Tom: Vol. 17, No. 4
• Strony: 373--384
• Opis fizyczny: Bibliogr. 41 poz., rys., tab.

Twórcy

autor

Zadry H. R.

• Faculty of Engineering, University of Malaya, Kuala Lumpur, Malaysia

autor

Md Dawal S. Z.

• Faculty of Engineering, University of Malaya, Kuala Lumpur, Malaysia

autor

Taha Z.

• Faculty of Engineering, University of Malaya, Kuala Lumpur, Malaysia

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