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Theses

Peur de chuter, contrôle supraspinal de la marche et personne âgée : quelle relation ?

Abstract : Changes in gait performance related to fear of falling (FOF) are usually classified as supraspinal gait control disorders called “higher-level gait disorders” due to impairment in cortical gait control. It is now well established that the study of the variability in stride characteristics and in particular the variability of stride time, provide information on the impairment of the automatic character of gait. In fact, gait variability, which is a biomarker of higher-level gait disorders, is inversely related to gait stability. A limited number of studies have examined the association between FOF and higher stride time variability (STV), and have showed mixed results mainly due to the non-consideration of potential factors that may influence the relationship between STV and FOF. Thus, the main objective of this thesis was to examine the association between STV and FOF in elder people taking into account the potential factors influencing the relationship between these two variables.Our results show that FOF is significantly associated with an increase in STV. Indeed, the combination of FOF and history of previous falls increases STV. The adverse gait effect of this combination depends on the level of the walking speed.
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Farah El Mir El Ayoubi. Peur de chuter, contrôle supraspinal de la marche et personne âgée : quelle relation ?. Médecine humaine et pathologie. Université d'Angers, 2015. Français. ⟨NNT : 2015ANGE0038⟩. ⟨tel-01525082⟩

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