Dissertação
Biomecânica da marcha com obstáculos e dupla tarefa em idosas sedentárias e fisicamente ativas
Fecha
2014-03-28Registro en:
GUADAGNIN, Eliane Celina. BIOMECHANICS OF GAIT WITH OBSTACLE AND DUAL-TASK IN
SEDENTARY AND PHYSICALLY ACTIVE ELDERLY. 2014. 77 f. Dissertação (Mestrado em Educação Física) - Universidade Federal de Santa Maria, Santa Maria, 2014.
Autor
Guadagnin, Eliane Celina
Institución
Resumen
Aging is associated with several changes in human body functions and structures.
Neuromuscular, mechanical and cognitive deficits may increase difficulties in
locomotion, especially under challenging situations as the gait over obstacles. Such
effects can be enforced during situations of dual-task. Limitations for mobility,
strength asymmetries and decreased ability of response for changes in the context
can affect the gait and increase risks for falling in the elderly. Although physical
exercise benefits general health condition, its influence on performance of perturbed
gait has been briefly addressed. While the usual gait can be benefited by regular
physical exercise, questions still open on how regular exercise contributes to the
performance of perturbed gait combined or not with a dual-task, which bring
additional cognitive loading to the elderly. The purpose of this study was to evaluate
the biomechanics of gait crossing a obstacle while performing or not a dual-task in
sedentary and physically active elderly. Elderly aged 60 years old or more
participated in the study. They were classified as sedentary or physically active. A
brief interview was performed, followed by examination of cognitive status, leg
preference and gait kinematics under three conditions: during the usual overground
gait, overground gait crossing an obstacle and during overground gait crossing an
obstacle while performing a dual-task. Results suggest that some kinematic variables
of aged gait are improved in the physical active elderly, even with the execution of a
dual-task. Physically active elderly seemed to adopt a more secure pattern of
locomotion while crossing over an obstacle, despite of gait asymmetries observed for
both the groups.