Examination of Parameters Evaluating the Center of Foot Pressure in Static Standing Posture from the Viewpoints of Trial-to-trial Reliability and Interrelationships Among Parameters.

“…A previous study examined body sway characteristics of young children using distance and area parameters [10]. In young adults, time-series characteristics of body sway have been examined using time-series parameters such as sway velocity and power spectrum in addition to distance and area [11][12][13]. The power spectrum is closely related to posture adjustment functions such as visuosensory, vestibular and proprioception organ systems, and is important when estimating posture adjustments [14][15][16].…”

Section: Introductionmentioning

confidence: 99%

Body sway characteristics during static upright posture in young children

2006

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This study aimed to determine gender and age differences in center of pressure (COP) during static upright posture in young children and to clarify their body sway characteristics. Subjects were 59 boys and 60 girls (3-6 years of age). Four body sway factors (sway velocity, anterior-posterior sway, medial-lateral sway, and high frequency sway) were used to assess characteristics of COP sway. Subjects' height and body weight did not differ significantly with gender and significantly increased with age. Sway velocity and anterior-posterior sway factors differed significantly with age and gender. For both boys and girls, the factors were larger in 3-and 4-year-old children and larger in boys than in girls at 3 and 4 years of age. In conclusion, sway velocity and anterior-posterior sway of young children change with growth and approach that of adults at 6 years of age. There is no gender difference in the physiques of young children, but boys tend to have greater body sway (faster and larger in the sagittal plane). The changes of sway characteristics in young children with growth may be largely influenced by development of the nervous system rather than by physique.

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“…Each measurement was carried out twice, and the average value was used for data analysis. [9][10][11]. For the CFP measurement , the subject stood on a stabilometer footprint and kept Romberg's posture in which the inside of both feet touch, while looking forward closely at a fixed point.…”

Section: Experimental Condition and Protocolmentioning

confidence: 99%

“…The 36 evaluation parameters for CFP deflection were selected for their high trial-to-trial reliability and logical validity [9,11] (see Table 1). Kitabayashi et al [12] summarized these parameters into the following four factors using factor analysis: deflection velocity (F1), anteroposterior deflection (F2), lateral direction (F3) and the high frequency band of the power spectrum (F4).…”

Section: Experimental Condition and Protocolmentioning

confidence: 99%

Effects of the package holding with one hand on the center of foot pressure

et al. 2007

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The purpose of this study was to examine the influence of holding a package with one hand on the CFP during a static upright posture. Fifteen healthy male adults participated in this study to keep the posture for 1 minute while holding a weight (7 weight conditions: 0%， 5%，10%，20%，30%，40%，and 50% of maximal jerk strength) with one hand. Body sway during a static upright posture with each weight was evaluated by the center of foot pressure (CFP) deflection. Before the CFP test, the bilateral difference of body weight was measured with each load weight to reveal the shift of the center of gravity. In the results of one-way ANOVA, the bilateral difference of body weight was significant between the weight conditions, and became significantly higher with increasing weight. On the other hand, the mean factor scores of CFP parameters with an increase of the package weight tended to increase markedly above 30% MVC (Factor 1, 3, and 4) or 40% MVC (Factor 2). There was no significant difference between mean factor scores in load weights from 0% to 30% in any factor. There is little CFP deflection for upright postural control with package weights up to 30% MVC. However, over 40% MVC there is a large CFP deflection, and the tendency is to keep the posture with high frequency CFP sway.

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Examination of Parameters Evaluating the Center of Foot Pressure in Static Standing Posture from the Viewpoints of Trial-to-trial Reliability and Interrelationships Among Parameters.

Cited by 37 publications

References 8 publications

Effect of shoes with rounded soft soles in the anterior–posterior direction on the center of pressure during static standing

Effect of shoes with rounded soft soles in the anterior–posterior direction on the center of pressure during static standing

Body sway characteristics during static upright posture in young children

Effects of the package holding with one hand on the center of foot pressure

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