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船上における姿勢制御


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Title: 船上における姿勢制御
Other Titles: Postural Control on the Ship
Authors: 朝長, 昌三
Authors (alternative): Tomonaga, Shozo
Issue Date: Sep-1997
Citation: 長崎大学教養部紀要. 人文科学篇. 1997, 38(1), p.217-226
Abstract: The purpose of this study was to examine the relationship of body sway on a ship and ship motion. The ship navigated for four days. The subjects controlled their posture under the conditions both with eyes open and eyes closed on the oscillating ship. The indexes of body sway were velocity, acceleration, shift length, and area. The indexes of ship motion were the amplitude and frequency of rolling and pitching. The results were as follows: (1) Velocity, acceleration, shift length, and area under the eyes-closed condition were larger than under the eyes-open condition. (2) Velocity, accelaration, and shift length of X-component were larger than those of Y-component under both the eyes open and the eyes closed conditions. (3) There were strong correlations between the amplitude of rolling and the body sway. (4) There were strong correlations between the frequency of rolling and the X -component of the body sway. (5) There were strong correlations between the frequencies and amplitude of pitching and the body sway.
Keywords: body sway / eyes open condition / eyes closed condition / ship motion / rolling / pitching
URI: http://hdl.handle.net/10069/15419
ISSN: 02871300
Type: Departmental Bulletin Paper
Text Version: publisher
Appears in Collections:Volume 38, No. 1

Citable URI : http://hdl.handle.net/10069/15419

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