| Título: | Running on a cross-slope: a study of the biomechanical adaptations of the lower leg and foot |
| Autores: | Tisseyre, Magali |
| Fecha: | 2010 |
| Publicador: | McGill University - MCGILL |
| Fuente: |
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| Tipo: | Electronic Thesis or Dissertation |
| Tema: | Health Sciences - General |
| Descripción: |
To the author's knowledge, no studies have included an analysis of foot or ankle kinematics during cross-sloped running, a condition frequently encountered in the runner's training environment. The goal of this thesis was to evaluate the kinematic adaptations induced at the level of the foot while running on a ten degree cross-slope. A three segment foot model that distinguished the hallux, forefoot and hindfoot was used for this purpose. Ten healthy male experienced runners volunteered to perform level and cross-slope trials, while running barefoot at a moderate speed. The angular excursion of the adjacent foot segments during running was analyzed in all three planes. Statistical analysis were made between the level and cross-sloped condition as well as across limb sides (up-slope and down-slope limb). Results showed that the slope created significant bi-lateral differences in both the hindfoot/tibia and forefoot/hindfoot coupling, most of which occurred in the frontal plane. À l'heure actuelle, aucun article ne décrit une analyse cinématique du comportement du pied et de la cheville lors de la course sur terrain en pente transversale. Le principal objectifs de cette étude était d'évaluer l'effet d'une pente transversale de dix degrés sur les variables cinématiques au niveau du pied durant une activité de course. Un modèle représentant le pied en trois segments a permis d'évaluer l'exursion angulaire des segments adjacents dans les trois plans de l'espace. Dix coureurs masculins ont participé à cette expérience et ont couru pieds nuds à vitesse modérée pour réaliser les répétitions. L'analyse statistique a ensuite permis de comparer chaque jambe ( en haut de pente ou bas de pente) et chaque condition (terrain plat ou pente transversale). Les résultats ont souligné des différences bi-latérales significatives au niveau de la relation de couplage de l'arrière-pied/tibia et avant-pied/arrière-pied, la plupart desquelles survenaient dans le plan frontal. |
| Idioma: | en |
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