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Appl Bionics Biomech. 2016;2016:9707801. doi: 10.1155/2016/9707801. Epub 2016 Jul 21.

Functional Design in Rehabilitation: Modular Mechanisms for Ankle Complex.

Applied bionics and biomechanics

Francesco Aggogeri, Nicola Pellegrini, Riccardo Adamini

Affiliations

  1. Department of Mechanical and Industrial Engineering, University of Brescia, Via Branze 38, 25123 Brescia, Italy.

PMID: 27524881 PMCID: PMC4972933 DOI: 10.1155/2016/9707801

Abstract

This paper is aimed at presenting an innovative ankle rehabilitation device based on a parallel mechanism. A functional analysis and design are described to obtain a device able to guarantee ankle movement while patient's body remains stationary. Human ankle is a challenging context where a series of joints are highly integrated. The proposed rehabilitation device permits a patient with walking defects to improve his or her gait. The research focuses on plantar-flexion-dorsiflexion movement. The robust design starts from an accurate modelling of ankle movements during walking, assessing motion data from healthy individuals and patients. The kinematics analysis and functional evaluations lead the study and development of the articulated system. In particular, results of simulations support the effectiveness of the current design. A 3D prototype is presented highlighting that the ankle motion is successfully demonstrated.

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