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Analysis of Foot Kinematics with Unstable Sole Structure Using Oxford Foot Model

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Abstract:

To determine the influence of the unstable sole structure on foot kinematics and provide theoretical basis for further application.12 healthy female subjects walked through a 10-meter experimental channel with normal speed wearing experimental shoes and control shoes respectively at the gait laboratory. Differences between the groups in triplanar motion of the forefoot, rearfoot and hallux during walking were evaluated using a three-dimensional motion analysis system incorporating with Oxford Foot Model (OFM). Compare to contrast group, participants wearing experimental shoes demonstrated greater peak forefoot dorsiflexion, forefoot supination and longer halluces plantar flexion time in support phase. Additionally, participants with unstable sole structure also demonstrated smaller peak forefoot plantarflexion, rearfoot dorsiflexion and range of joint motion in sagittal plane and frontal plane.. The difference mainly appeared in sagittal and frontal plane. With a stimulation of unstable, it may lead to the reinforcement of different flexion between middle and two ends of the foot model. The greater forefoot supination is infered that the unstable element structure may affect the forefoot motion on the frontal plane and has a control effect to strephexopodia people. The stimulation also will reflexes reduce the range of rearfoot motion in sagittal and frontal planes to control the gravity center of the body and keep a steady state in the process of walking.

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Journal of Biomimetics, Biomaterials and Biomedical Engineering Vol. 34

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Periodical:

Journal of Biomimetics, Biomaterials and Biomedical Engineering (Volume 34)

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1-9

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https://doi.org/10.4028/www.scientific.net/JBBBE.34.1

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Online since:

October 2017

Authors:

Ying Yue Zhang, Gusztáv Fekete, Justin Fernandez, Yao Dong Gu*

Keywords:

Foot Kinematics, Oxford Foot Model, Unstable Sole Structure

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* - Corresponding Author

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