M L Ponta1, M Gozza, J Giacinto, R Gradaschi, G F Adami. 1. Department of Medical Sciences, University of Turin-Subsidiary seat of University of Genoa, 8 Largo Rosanna Benzi, 16132, Genova, Italy, monicaponta@virgilio.it.
Abstract
BACKGROUND: We investigate whether in severely obese people a marked weight loss may influence individual postural control and motor activities and then reverse the alterations caused by the extra load of body mass. Recent studies have shown that most severely obese patients have various degrees of impairment of postural control, but only a few studies considered those subjects before and after a marked weight loss. METHODS: Ten obese and ten subjects of average weight took part in our experiment. The subjects were requested to perform four different tasks. All obese patients repeated the tasks 1 year after undergoing bariatric surgery. RESULTS: We have found differences between obese and normal-weight people in the execution of all four work tasks. However, a year after surgery, obese patients showed a change in the execution of only two tasks, keeping the same performance in the other two. CONCLUSIONS: The excess of fat mass alters the execution of some tasks, as confirmed by the improvement obtained after weight loss. For other work tasks, we can hypothesize that the neurophysiological plasticity of the neuro-muscular system would require more time to adapt.
BACKGROUND: We investigate whether in severely obesepeople a marked weight loss may influence individual postural control and motor activities and then reverse the alterations caused by the extra load of body mass. Recent studies have shown that most severely obesepatients have various degrees of impairment of postural control, but only a few studies considered those subjects before and after a marked weight loss. METHODS: Ten obese and ten subjects of average weight took part in our experiment. The subjects were requested to perform four different tasks. All obesepatients repeated the tasks 1 year after undergoing bariatric surgery. RESULTS: We have found differences between obese and normal-weight people in the execution of all four work tasks. However, a year after surgery, obesepatients showed a change in the execution of only two tasks, keeping the same performance in the other two. CONCLUSIONS: The excess of fat mass alters the execution of some tasks, as confirmed by the improvement obtained after weight loss. For other work tasks, we can hypothesize that the neurophysiological plasticity of the neuro-muscular system would require more time to adapt.
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