Motorcycle riding is a physically challenging task in which certain actions can lead to muscle tension while seated, potentially contributing to road accidents. Maintaining a consistent riding posture over a lengthy period can induce lower back discomfort. This research aims to monitor the muscle activation of motorcyclists’ back muscles, specifically the latissimus dorsi and erector spinae (longissimus) sections. Additionally, it compares the total average root mean square (RMS) amplitude of muscle activities between two types of motorcycles: the standard versus the sport motorcycle. The data was collected using surface electromyography (sEMG) with the electrode sensor placed on specific skin locations. The experiment was performed on five respondents in static riding posture. As a result, the erector spinae (longissimus) muscles showed a significantly higher average RMS value when the respondent adopted an upright riding posture compared to a forward-leaning posture. Furthermore, the average RMS of the latissimus dorsi muscle was high (above 50% rate) when the respondent adopted a forward-leaning riding posture. These results suggest that riding postures can influence muscle activation, and prolonged use may lead to fatigue and further injuries.

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EMG Monitoring of Motorcyclists’ Muscle Activation During Two Different Riding Postures

  • Wan Zaim Hazim Wan Hilmi,
  • Nur Muhamad Farhan Mohd Johan,
  • Mohammad Azzeim Mat Jusoh,
  • Helmi Rashid

摘要

Motorcycle riding is a physically challenging task in which certain actions can lead to muscle tension while seated, potentially contributing to road accidents. Maintaining a consistent riding posture over a lengthy period can induce lower back discomfort. This research aims to monitor the muscle activation of motorcyclists’ back muscles, specifically the latissimus dorsi and erector spinae (longissimus) sections. Additionally, it compares the total average root mean square (RMS) amplitude of muscle activities between two types of motorcycles: the standard versus the sport motorcycle. The data was collected using surface electromyography (sEMG) with the electrode sensor placed on specific skin locations. The experiment was performed on five respondents in static riding posture. As a result, the erector spinae (longissimus) muscles showed a significantly higher average RMS value when the respondent adopted an upright riding posture compared to a forward-leaning posture. Furthermore, the average RMS of the latissimus dorsi muscle was high (above 50% rate) when the respondent adopted a forward-leaning riding posture. These results suggest that riding postures can influence muscle activation, and prolonged use may lead to fatigue and further injuries.