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<p>This research investigates the physical effort required to operate the clutch pedal in manual transmission vehicles, focusing on drivers. Investigating factors ranging from biomechanics to pedal design advancements, this study utilizes surface electromyography (sEMG), to identify key muscles that experienced increased activity during clutch use, indicating signs of fatigue. The assessment includes maximum voluntary contraction (MVC), root mean square (RMS), and mean power frequency (MPF) measures, offering insights into the endurance and performance aspects of human–machine interaction during driving. In addition, postural risk was also appraised with the use of Rapid Entire Body Assessment (REBA) that considered trunk, neck, limb, and lower body posture in engagement of clutch. Prior statistical analysis and visual examination guided the selection of anatomical areas for observation. Throughout repeated clutch pedal engagement, sEMG detected activity in the soleus, tibialis, gastrocnemius, and achilles tendon. Data analysis including regression analysis and statistical tests were conducted using MATLAB 2018 and SPSS version 22.0. Findings revealed a correlation between longer driving durations, increased muscle fatigue, and medium to high ergonomic risk levels based on REBA scores. The integrated findings provide critical insights for improving driver safety, reducing the risk of work-related musculoskeletal disorders (WMSDs), and informing ergonomic vehicle design and driver posture education.</p>

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Investigating Muscular Fatigue Associated with Clutch Pedal Operation in Manual Transmission Vehicles Using Surface Electromyography

  • 期刊论文

  • 发表日期：

    2025年9月22日

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  • V. Sudhir Kumar,
  • P. K. Rajesh

摘要

This research investigates the physical effort required to operate the clutch pedal in manual transmission vehicles, focusing on drivers. Investigating factors ranging from biomechanics to pedal design advancements, this study utilizes surface electromyography (sEMG), to identify key muscles that experienced increased activity during clutch use, indicating signs of fatigue. The assessment includes maximum voluntary contraction (MVC), root mean square (RMS), and mean power frequency (MPF) measures, offering insights into the endurance and performance aspects of human–machine interaction during driving. In addition, postural risk was also appraised with the use of Rapid Entire Body Assessment (REBA) that considered trunk, neck, limb, and lower body posture in engagement of clutch. Prior statistical analysis and visual examination guided the selection of anatomical areas for observation. Throughout repeated clutch pedal engagement, sEMG detected activity in the soleus, tibialis, gastrocnemius, and achilles tendon. Data analysis including regression analysis and statistical tests were conducted using MATLAB 2018 and SPSS version 22.0. Findings revealed a correlation between longer driving durations, increased muscle fatigue, and medium to high ergonomic risk levels based on REBA scores. The integrated findings provide critical insights for improving driver safety, reducing the risk of work-related musculoskeletal disorders (WMSDs), and informing ergonomic vehicle design and driver posture education.