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Lower back pain in drivers of specialized vehicles may be related to excessive lumbar spine loading. The purpose of this study was to investigate human lumbar spine loads and lumbar muscle forces in a forward-flexed driving position in a specialty vehicle to better understand lower back pain and improve the design of automotive seats. The results of the study showed that the driver's lumbar load and lumbar muscle strength tended to increase and then decrease with the increase of the forward flexion angle at different forward flexion angles, and the lumbar spine load and lumbar muscle strength reached the peak value when the forward flexion angle was5°. The results of the study provide a theoretical basis for the correlation between lower back pain and sitting posture and help prevent low back pain in drivers.

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Biomechanical Analysis of Forward Driving Posture Based on Human Musculoskeletal Model

  • 会议论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年

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  • Shanlin Wang,
  • Kun Wang,
  • Tianhui Wang,
  • Jianjun Zhang

摘要

Lower back pain in drivers of specialized vehicles may be related to excessive lumbar spine loading. The purpose of this study was to investigate human lumbar spine loads and lumbar muscle forces in a forward-flexed driving position in a specialty vehicle to better understand lower back pain and improve the design of automotive seats. The results of the study showed that the driver's lumbar load and lumbar muscle strength tended to increase and then decrease with the increase of the forward flexion angle at different forward flexion angles, and the lumbar spine load and lumbar muscle strength reached the peak value when the forward flexion angle was5°. The results of the study provide a theoretical basis for the correlation between lower back pain and sitting posture and help prevent low back pain in drivers.