 字幕及翻译： a back spasm is a sudden and involuntary contraction of the muscles in the back, often causing pain and discomfort. it can be caused by a variety of factors including overuse of the muscles, sudden twist or turn or sometimes due to a herniated discs or arthritis. back spasms can range in severity from mild discomfort to severe pain and can last anywhere from 24 to 72 hours. it can also be accompanied by other symptoms such as muscle stiffness difficulty moving or standing up straight and even numbness or tingling in the affected area. for management of the back spasm, complete bed rest is not recommended. ice pack or heat therapy would be recommended following a gentle Mobility exercise routine for pain management. 背部痉挛是背部肌肉的突然和不自主的收缩，经常引起疼痛和不适，可能由多种因素引起，包括过度使用肌肉突然扭曲或转动，有时是由于椎间盘突出或关节炎引起。背部痉挛可根据严重程度分为轻度不适到剧烈疼痛不等，疼痛可持续 24 到 72 小时不等，还可能伴有其他症状，例如肌肉僵硬，难以背部移动或站立直立，甚至在受影响的区域 出现麻木或刺痛感，不建议完全卧床休息来控制背部痉挛，冰敷或热疗可同时配合温和的活动锻炼进行疼痛管理。 重点词汇总结： spasm /ˈspæzəm/n. 痉挛；抽搐；发作 involuntary /ɪnˈvɑːlənteri/adj. 无意识的；自然而然的；不知不觉的 herniated discs 椎间盘突出 herniate/ˈhɜːrnɪˌet/v. （器官）成疝，突出 再温习一遍视频： |
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