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人进入微重力环境后,约有1500ml～2000ml血液由下身向头一胸部转移,这是引起失重时心血管系统适应性综合症的主要起因。这种综合症的表现之一,就是返回地球后航天员的立位耐力降低。航天员在返回过程中需要耐受+Gz力的作用,它对心血管系统是一个很大的刺激,在心血管系统调节能力下降的情况下,有可能产生晕厥。因此,防止航天员引起的立位性低血压是一项重要的课题。目前已采用运动、穿抗荷服、电刺激肌
After people enter the micro-gravity environment, about 1500ml ~ 2000ml of blood from the lower body to head and chest metastasis, which is caused when weightless cardiovascular system adaptive syndrome the main cause. One of the manifestations of this syndrome is the reduction of astronauts’ standing stamina after returning to Earth. Astronauts need to tolerate the + Gz force during their return, which is a great stimulus to the cardiovascular system and may cause syncope if the regulatory capacity of the cardiovascular system is reduced. Therefore, to prevent astronaut-induced orthostatic hypotension is an important issue. Has been used to exercise, wear anti-Dutch clothing, electrical stimulation of muscle