Effect of the moderate exercise on performance in upper/lower limb during long term bed rest

Masami Miyazaki*, Hidehiro Yoritaka, Takeshi Sato, Shoji Igawa, Tasuku Miyoshi, Kimitaka Nakazawa, Eiji Watanabe

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review


The purpose of this study was to investigate that considers the influence of the moderate exercise has on the upper limbs and the legs during 21 days head down bed rest. Therefore motor evoked potential (MEP) induced by transcranial magnetic stimulation (TMS) in lower leg muscles of four healthy subjects were investigated before/after and during bed rest. There were no significant differences statistically between soleus MEPs before and after bed rest in all subjects. However there were decreased tendency in MEPs during non-exercise group. And then there were not change discriminal ability on differential threshold of weight sensory in scale test in all subjects during head down bed rest. Theses results indicate that the assign cognitive performance, sensory in scale for upper limb no changes during and after head down bed rest.

Original languageEnglish
Pages (from-to)117-118
Number of pages2
JournalEuropean Space Agency, (Special Publication) ESA SP
Issue number501
Publication statusPublished - 2002 Sept
EventProceedings of the European Symposium on Life in Space for Life on Earth - Stockholm, Sweden
Duration: 2002 Jun 22002 Jun 7

ASJC Scopus subject areas

  • Aerospace Engineering
  • Space and Planetary Science


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