上肢用力时，胸腔压力大，心脏回血量不足，输出自然减少，会有脑缺血缺氧。做这些动作时，要时不时停一下，缓缓气，过过血

来源: fuz 于 2022-06-14 18:48:00 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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