Analyse de la marche des personnes amputées de membre inférieur en situations contraignantes de la vie courante

Abstract : Gait analysis of lower limb amputee locomotion in limiting situations of daily livingABSTRACT : Project deals with disability and particularly lower limb amputation. Fitting and rehabilitation restore part of locomotor system functions and allow lower limb amputee people to recover autonomy in motion. However, this autonomy is restricted due to more limiting situations than level walking (inclined surfaces, stairs, cross-slopes) patients have to face in everyday life. Developing new prosthetic components and rehabilitation protocols could reduce lower limb amputee people difficulties in these situations. In this aim, it is essential to understand the behavior of the osteo-articular system and of the prosthetic components while walking in limiting situations of daily living. Quantified gait analysis served this objective of locomotion characterization. PhD work is part of a three years project funded by ANR (French National Research Agency) in partnership with two clinical research centers, INI-CERAH and IRR, and an industrial, Proteor prosthetic components manufacturer. A protocol was set. It allows to study locomotion and locomotion adaptations of lower limb amputee people between five different daily living situations. A large and unique database, with regards to the literature, was created. It gathers parameters describing gait of 22 transfemoral amputee subjects, 21 transtibial amputee people and 30 control subjects, who followed the same protocol. Biomechanical parameters were identified to characterize amputee people locomotion adaptations between level walking and slopes and cross-slopes walking by comparing to locomotion adaptations of control subjects between flat surface and these situations. This innovative analysis method enables to analyze the locomotion of a group of people taking into account the gait pattern of each individual in the group. This work provides a protocol, a database and complementary analyses of mechanisms occurring during slope and cross-slopes locomotion.Keywords : Amputation, Biomechanics, Cross-slopes, Locomotion, Prosthetic fitting, Slopes
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Coralie Villa. Analyse de la marche des personnes amputées de membre inférieur en situations contraignantes de la vie courante. Biomécanique [physics.med-ph]. Ecole nationale supérieure d'arts et métiers - ENSAM, 2014. Français. ⟨NNT : 2014ENAM0002⟩. ⟨pastel-01064361⟩

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