外研版高中英語(yǔ)必修2 module 1《our body and healthy habits》教學(xué)參考資料(文件)
【正文】 l, repetitive motions they do on the job every day,says Liu . Common Injury Causes The top culprits of what experts call repetitive strain disorders include: Sitting in an unnatural posture for a long time. Not allowing recovery time.[來源 :Zxx ] Shallow breathing. Repetitive motions, such as using the phone, typing with bent wrists and using a mouse. Using force or pressure, such as pinching pens, gripping the
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