title: Low frequency components of the body's center of gravity and blood circulation.
abstract: The purpose of this study was to clarify how low frequency components of the body's center of gravity, mainly 1 minute waves (1-MWs), are related to the mechanism of compensation for the venous blood pooling in the legs during static standing in humans. The 1-MWs of foot pressure center, oscillations of body circumferences and other parameters were analyzed with cross-power spectral analysis. The 1-MW of the calf's blood volume propagated to the chest via the venous system. This was inversely synchronized with the 1-MW of the body's center of gravity. It was speculated that muscular pumping of the calf related to the 1-MW of the body's center of gravity might be compensating for the venous blood pooling in the legs.
authors.affiliation: Faculty of Liberal Arts, Shizuoka University, Japan.
authors.forename: K
authors.initials: K
authors.lastname: Inamura
authors.forename: T
authors.initials: T
authors.lastname: Mano
authors.forename: S
authors.initials: S
authors.lastname: Iwase
authors.forename: Y
authors.initials: Y
authors.lastname: Amagishi
authors.forename: K
authors.initials: K
authors.lastname: Aoki
mesh_terms: D000328:Adult; D001775:Blood Circulation / Q000502:physiology*; D004576:Electromyography; D006112:Gravitation; D006801:Humans; D008297:Male; D010507:Periodicity; D011187:Posture; D012016:Reference Values