Postural control responses sitting on unstable board during visual stimulation

Y. Mizuno, M. Shindo, S. Kuno, T. Kawakita, S. Watanabe

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


Concerning with the relation of vection induced by the optokinetic stimulation and the body movement, especially we attended to the neck joint movement, which counteracted to the shoulder movement. Then, we analyzed the mechanisms of the sitting postural control by using the seesaw board. By the optokinetic stimulation through the head mounted display (H.M.D.), the vection was leaded, and it affected to the sway of the body on the seesaw board. In this experiment, we found that the movement of upper part of body except for the head was the same direction to the seesaw board but the head moved out of phase to the seesaw board. This phenomenon will be suggested that the unstable condition of sway is balanced by the counter swing of head and the neck muscle tonus is controlled by acting of the vestiburo-collic reflex.

Original languageEnglish
Pages (from-to)131-136
Number of pages6
JournalActa Astronautica
Issue number3-10
Publication statusPublished - 2001 Aug 11
Externally publishedYes

ASJC Scopus subject areas

  • Aerospace Engineering


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