Effects of graded load of artificial gravity on cardiovascular functions in humans.

Satoshi Iwase, Qi Fu, Kenichi Narita, Eiichi Morimoto, Hiroki Takada, Tadaaki Mano

Research output: Chapter in Book/Report/Conference proceedingChapter

21 Scopus citations

Abstract

An artificial gravity and ergometric exercise loading device for human use was manufactured. It has the capacity of a max 2 G-load at the heart level, and a max 150 W of work-load. Eight subjects (six completed) were subjected to four repeated trials with or without 20 W ergometric exercise. Anti-G score, defined as the G-load x running time to the endpoint, was significantly higher in the exercise trials than standing trials. Heart rate (HR), mean arterial pressure (MAP), thoracic fluid index (TFI) were significantly superior during the exercise trials. Artificial gravity by centrifuge at 1.2 or 1.4 G with 40 or 60 W of ergometric workload may be an excellent countermeasure against cardiovascular deconditioning after long exposure to microgravity.

Original languageEnglish (US)
Title of host publicationEnvironmental medicine : annual report of the Research Institute of Environmental Medicine, Nagoya University
Pages29-32
Number of pages4
Volume46
Edition1-2
StatePublished - 2002

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