本文研究了462名大型汽车驾驶员和285名以坐姿工作为主的机关职员的腰椎X线改变。

The X-ray pictures of lumbar vertebrae of 462 drivers (driver group) and 285 administrative personnels (control group) were investigated.

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不良坐姿或是设计欠合理的工作台面，会导致肩膀肌肉疼痛。

Poor posture or a poorly-designed work station can leave you with aching shoulder muscles.

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很多问题的解决其实只需要小小的改变——比如调整你的坐姿或者把你的手臂抬高离开桌子——这些都不需要咨询工作学专家。

Many changes can be small — like adjusting the seat position or raising your arms off the desk — and can be done without consulting an ergonomics expert.

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