Study on Stress Characteristics of Plantar Walking and Rehabilitation Strategy

Zhao, Lingyan; Shi, Zhang; Yu, Lei; Guan, Zhiguang

doi:10.1109/iccar49639.2020.9108097

Cited by 1 publication

(2 citation statements)

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“…That is to say, the T state is significant for identifying when the body segment will require additional force and when foot pressure will move from the heel to the toe. Similarly, the authors in [33] studied the characteristics of plantar stress and its effect on the change of velocity during flat walking. The results indicated that the stress of the walking body on the ground was concentrated at the toe and the heel, and the stress of the toe increased significantly with increasing walking speed.…”

Section: Cp With Downward Force Of Bodymentioning

confidence: 99%

“…Therefore, it is important to be aware of this moment in every step in order to understand the transfer of force in the foot. From this perspective, the CP is a more economical method than that used in in [33], which employed a PVDF thin film pressure acquisition system consisting of two sets of 16 piezoelectric films. With the T from the CP estimation representing the momentum, it is possible to catch when the overall arrangement of forces in the body change.…”

Section: Cp With Downward Force Of Bodymentioning

confidence: 99%

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An Approach to Human Walking Analysis Based on Balance, Symmetry and Stability Using COG, ZMP and CP

Kim

Murakami

2020

Applied Sciences

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The parameters of walking have been studied from the viewpoints of joint rotation and translation of body. The balance and symmetry of walking are indispensable features to understand for healthy walking, while also being a personal characteristic. However, quantification has not been easy to carry out in the case of the conventional gait parameters COG (center of gravity) and ZMP (zero moment point). In this approach, the CP (crossing point) is proposed to quantify the concept of symmetry and balance by comparing it to the COG and ZMP. The CP is estimated based on the intersection between the hip line and the ankle line. While the hip line is fixed on the upper body where the COG is, the ankle line is altered depending on the each footfall, where the ZMP is. Therefore, the values of COG, ZMP, and CP have similar or different tendencies in terms of whether balanced walking results in symmetry or not. The validity of this is verified by carrying out a simulation with robot walking, and an experiment using human walking. Through additional experiments, it was noticed that the CP was able to improve the role of COG and ZMP in terms of not only stability, but also its relationship with the movement range of the lower limbs.

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Section: Cp With Downward Force Of Bodymentioning

confidence: 99%

Section: Cp With Downward Force Of Bodymentioning

confidence: 99%