This video provides a full overview of lumbar sympathetic block injections.

本视频全面概述了腰交感阻滞注射方法。

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After a lumbar sympathetic block, many people experience leg numbness or weakness.

许多人在腰交感神经阻滞术后感到下肢麻木或无力。

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Summary of Background Data. Sympathetic block is used to relieve symptoms in radiculopathy patients.

背景资料总结：交感神经阻滞已被用于减轻神经根痛症状。

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Then in March 1997 the scientists managed, with the help of a sympathetic deputy prime minister, Vladimir Fortov, to block the decree.

ECONOMIST: Russian science