Methodologies for evaluating electromyographic field data in ergonomics

Hägg, Göran M; Luttmann, Alwin; Jäger, Matthias

doi:10.1016/s1050-6411(00)00022-5

Cited by 140 publications

(94 citation statements)

References 40 publications

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“…This finding was in good agreement with previous, in frequency domain, studies which had hypothesized that decrease in median frequency signifies onset of muscle fatigue and was associated with the negative slope of the regression line [24][25][26][27]. Unlike our frequency domain analysis, other investigators used different approaches, such as time domain analysis, found that fatigue occurred when time domain parameters such as mean amplitude and root mean square (RMS) amplitude increased [28,29].…”

Section: Rwl (Kg)supporting

confidence: 92%

“…Unlike our frequency domain analysis, other investigators used different approaches, such as time domain analysis, found that fatigue occurred when time domain parameters such as mean amplitude and root mean square (RMS) amplitude increased [28,29]. In those studies, positive slopes, of time domain parameters, signified the fatigue rates [26,30].…”

Section: Rwl (Kg)mentioning

confidence: 71%

See 1 more Smart Citation

Muscle Fatigue Estimation in Repetitive Lifting Task Using Surface Electromyography-Based Analysis

Spyropoulos¹,

Chroni²,

Athanassiou

2015

Ergonomics

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Section: Rwl (Kg)supporting

confidence: 92%

Section: Rwl (Kg)mentioning

confidence: 71%

Muscle Fatigue Estimation in Repetitive Lifting Task Using Surface Electromyography-Based Analysis

Spyropoulos¹,

Chroni²,

Athanassiou

2015

Ergonomics

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“…Electromyography is sometimes used as a measure of exposure (43). Electromyography (EMG) monitors the electrical activation of the muscle fibers in the neighborhood of the electrodes.…”

Section: Other Measures Of Exposure Used In the Epidemiology Of Muscumentioning

confidence: 99%

Mechanical exposure concepts using force as the agent

Wells¹,

Eerd²,

Hägg³

2004

Scand J Work Environ Health

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“…The relationship between the force produced by the muscle or muscle activity and the amplitude of the EMG signal is relatively linear [32]. The relationship between the muscle activity and the energy content of the EMG signal within physiological limit is also linear but in fatigue state low energy content of the EMG is produced [33].…”

Section: Discussionmentioning

confidence: 99%

Assessment of Postural effect on Work Related Musculoskeletal Disorders and Back Muscle Fatigue among the Goldsmiths of India

Ghosh¹

2017

Int J Occup Safety & Health

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Abstract:Background: Musculoskeletal disorders (MSD) may be defined as injuries and disorders of the muscles, nerves, tendons, ligaments, joints, cartilage and spinal disc. This may occur due to improper physical work activities or appalling workplace conditions. Awkward or extreme postures are less efficient than posture keep joints near the center of their range of motion. Objective: The objective of the current study was to assessment of postural effect on work related musculoskeletal disorders and back muscle fatigue among the goldsmiths of India. Methods: In this current study, the experiment was performed on 100 male goldsmiths. A detailed questionnaire study on discomfort feeling was done and analysis of body posture by Rapid Upper Limb Assessment was done to evaluate the work stress during their job. Electromyographic activity was collected from ten major trunk muscles sites which consist of right and left muscle. Result: From the analysis, it was revealed that musculoskeletal disorders were the major problem of the goldsmiths. Moreover questionnaire study revealed that most of the workers were affected by pain at Neck (80%), Low back (91%), Wrist (45%), Shoulder (20%). Decreased in RMS and MedF of all the ten major trunk muscles were observed at the end of the every work cycle, which indicating that muscular fatigue was induced by the Gold Smiths tasks. Conclusion: From this study it can be concluded that the goldsmiths are working in awkward and forward bending postures for prolonged period of time with the potential risks of musculoskeletal disorders primarily affecting the low-back and neck region of the body. This can be attributed by the improper design of the workstation.

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Methodologies for evaluating electromyographic field data in ergonomics

Cited by 140 publications

References 40 publications

Muscle Fatigue Estimation in Repetitive Lifting Task Using Surface Electromyography-Based Analysis

Muscle Fatigue Estimation in Repetitive Lifting Task Using Surface Electromyography-Based Analysis

Mechanical exposure concepts using force as the agent

Assessment of Postural effect on Work Related Musculoskeletal Disorders and Back Muscle Fatigue among the Goldsmiths of India

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