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Showing 2 results for Pedobarography

Mr Abbas Farjad Pezeshk, Dr Heydar Sadeghi,
Volume 14, Issue 11 (4-2016)
Abstract

Introduction and Objectives. The trajectory of center of pressure (COP) during the stance phase of gait is considered as an important parameter in assessing of dynamic balance, foot and ankle function and effectiveness of shoe and orthotics. The aim of this study was to determine the COP trajectory during stance phase of gait in healthy males and females, by means of Pedar-X plantar pressure measurement apparatus.Methods: 15 healthy adult females who didn’t have any history of injury that altered their normal gait pattern and trajectory of COP, participated in this study. The coordinate of COP in transverse (X) and vertical (Y) axes were measured using Pedar-X system. The stance phase of gait divided into the four sections by key points of acceleration vector in Y direction and then position, velocity and acceleration of COP at these portions were computed. To statically analysis, Descriptive statistic (Mean and standard deviation), Pearson correlation coefficient and ICC coefficient were used  (P≤0.05). Results and Discussion: The results indicated that during stance phase of gait, COP moves forward and medial in Y and X axes, respectively. Significant, strong but negative correlation seen between COP coordinates in X and Y axes. High Inter Class Correlation also showed between trials reliability for Pedar-X system in estimation of COP coordinates. Conclusion:  The results of this study could be used as a standard norm of trajectory of COP in healthy adult subjects


Raghad Memar, Shiva Noori,
Volume 14, Issue 12 (10-2016)
Abstract

Since, sports activities are likely to be changes in various parameters of plantar pressure distribution during walking to create, This study compared patterns of plantar pressure distribution between right and left feet and their relationship with anthropometric parameters. 10 elite wrestler with the average and standard deviation of age: 23.6±3.33 yrs, height: 173.5±7.67 cm and mass: 83.3±21.8 kg voluntarily participated as subjects in this study. EMED-AT2 System for plantar pressure analysis, of parametric statistical methods paired t-test to compare parameters between the right and left leg and also of the Pearson methods for investigating correlation between variables was used. The only in the contact area parameter between the right leg and left at 4th mask significant differences were found (p≤0.05, ES=0.03). Also positive and significant correlation between height and mass with all the parameters were found (p≤0.01, p≤0.05) and in the heel area the correlation between maximum force in the right foot with height (medial heel r2=0.45 ; lateral heel r2=0.68) and weight (medial heel r2=0.56 ; lateral heel r2=0.8) and in the left foot with height (lateral heel r2=0.53) and weight (lateral heel r2=0.55) was reversed. (p≤0.05). Considering the lack of significant differences in plantar pressure parameters between the right and left foot, it could be argued, in wrestling foot demand function is the same. Also this research confirmed the results previous study indicating the absence of dominant leg in wrestling.



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