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Effects of Obesity on Symmetry and Spatio-Temporal Characteristics of Adolescent Gait

Child obesity is becoming all too prevalent as society becomes more sedentary. The percentage of overweight children 12-19 yrs old in the U.S. has increased over 11% since 1980, with the current level reported at 16.1% [1]. In adults, gait characteristics have been shown to vary with increasing adiposity, most notably a slower preferred walking speed, longer stance and double support phases, and greater base of support [2-4]. It is not known if obesity leads to similar locomotor outcomes for adolescents. In addition, the question of symmetry has been raised relative to limb dominance observed in obese children [5]. The purpose of the study was to examine the effects of obesity on bilateral symmetry and spatio-temporal characteristics of adolescent walking.