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司弦时4083 快乐阅读.                                   写字姿势歌 小朋友,听仔细,写字姿势要注意:头正、肩平、背要直... -
魏宏锦19372326379 ______[答案] 1.2 2.头正、肩平、背要直,两脚并排放在地;左手轻轻按住纸,右手自然握笔. 3.眼离纸面一尺远,胸离书桌一拳余,手距笔尖约一寸.

司弦时4083腰椎间盘突出症患者的坐姿是怎样的?
魏宏锦19372326379 ______ 人类的坐姿五花八门,但并不是自已感到舒服的坐姿就是好的坐姿 态.正确的坐姿应是上身挺直,收腹,下颌微收,两下肢并拢.如有可能,最 好在双脚下塾一踏脚或脚凳,使膝关节略高出髋部.如坐在有靠背的椅子 上,则应在上述姿势的基础上尽量将腰背紧贴并倚靠椅背,这样腰骶部的 肌肉不会太疲劳.久坐之后也应活动一下,松弛下肢肌肉.另外,腰椎间盘 突(膨)出症患者不宜坐低于20cm的矮凳,应坐有靠背的椅子,因为这样 可以承担躯体的部分重量,使腰背部相对处于松弛状态,减少腰背劳损的 机会.