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      Voluntary vs forced physical activity, which is more effective in reducing body weight gain from sucrose consumption? Translated title: Actividad física voluntaria vs actividad física forzada, ¿Cuál actividad física es más efectiva para reducir la ganancia de peso corporal por el consumo de sacarosa?

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          Abstract

          ABSTRACT The organoleptic characteristics of sucrose encourage its consumption in excessive amounts that result in increased body weight and possible involvement of other health indicators. In contrast, physical activity reduces body weight and promotes health and well-being, however the question remains as to what type of physical activity is the most effective to achieve those goals. The objective of the current study was to compare the effect of voluntary (VA) vs forced physical activity (FA) on body weight in organisms that consume sucrose daily. Twenty, three-month-old Wistar female rats were assigned either VA or FA; both groups were exposed to beverages with 8% sucrose concentration. The results showed that consuming sucrose daily increased body weight, despite being an active organism. However, this increase was by 11% in the VA group and 8.4% among the FA group. Therefore, although neither type of physical activity proposed in this study was effective to reduce body weight, FA influenced body weight gain less. Another interesting result was that VA registered a greater effect by reducing the consumption of sucrose. In conclusion, performing physical activity delays, but does not reverse, body weight gain from sucrose consumption.

          Translated abstract

          RESUMEN Las características organolépticas de la sacarosa incentivan su consumo en cantidades excesivas que tienen como resultado el incremento del peso corporal y la posible afectación de otros indicadores de salud. En contraparte, la realización de actividad física reduce el peso corporal y favorece la salud y bienestar, pero ¿cuál es la manera más efectiva de realizar actividad física para lograr esos objetivos? Se planteó como objetivo comparar el efecto de la actividad física voluntaria (AV) contra el de la actividad física forzada (AF) sobre el peso corporal en organismos que consumen diariamente sacarosa. Se utilizaron veinte ratas hembras de la cepa Wistar de tres meses de edad, agrupadas en: (1) actividad voluntaria; (2) actividad forzada. Ambos expuestos a una bebida al 8% de concentración de sacarosa. Los resultados mostraron que consumir sacarosa diariamente incrementa el peso corporal, a pesar de ser un organismo activo. Sin embargo, este aumento fue en un 11% en AV y del 8.4% en AF. Por lo que, si bien ningún tipo de actividad física propuesto en este estudio fue efectivo para reducir el peso corporal, realizar actividad física de forma forzada influye en que la ganancia de el peso corporal sea menor. Otro resultado de interés, fue que realizar actividad física voluntaria registró un mayor efecto al reducir el consumo de sacarosa. En conclusión, realizar actividad fisica retrasa, pero no revierte la ganancia de peso corporal ante el consumo de sacarosa.

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          ORGANIZATION FOR PHYSIOLOGICAL HOMEOSTASIS

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            Effects of stevia, aspartame, and sucrose on food intake, satiety, and postprandial glucose and insulin levels.

            Consumption of sugar-sweetened beverages may be one of the dietary causes of metabolic disorders, such as obesity. Therefore, substituting sugar with low calorie sweeteners may be an efficacious weight management strategy. We tested the effect of preloads containing stevia, aspartame, or sucrose on food intake, satiety, and postprandial glucose and insulin levels. 19 healthy lean (BMI=20.0-24.9) and 12 obese (BMI=30.0-39.9) individuals 18-50 years old completed three separate food test days during which they received preloads containing stevia (290kcal), aspartame (290kcal), or sucrose (493kcal) before the lunch and dinner meal. The preload order was balanced, and food intake (kcal) was directly calculated. Hunger and satiety levels were reported before and after meals, and every hour throughout the afternoon. Participants provided blood samples immediately before and 20min after the lunch preload. Despite the caloric difference in preloads (290kcal vs. 493kcal), participants did not compensate by eating more at their lunch and dinner meals when they consumed stevia and aspartame versus sucrose in preloads (mean differences in food intake over entire day between sucrose and stevia=301kcal, p<.01; aspartame=330kcal, p<.01). Self-reported hunger and satiety levels did not differ by condition. Stevia preloads significantly reduced postprandial glucose levels compared to sucrose preloads (p<.01), and postprandial insulin levels compared to both aspartame and sucrose preloads (p<.05). When consuming stevia and aspartame preloads, participants did not compensate by eating more at either their lunch or dinner meal and reported similar levels of satiety compared to when they consumed the higher calorie sucrose preload. Published by Elsevier Ltd.
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              The use of a running wheel to measure activity in rodents: relationship to energy balance, general activity, and reward.

              Running wheels are commonly employed to measure rodent physical activity in a variety of contexts, including studies of energy balance and obesity. There is no consensus on the nature of wheel-running activity or its underlying causes, however. Here, we will begin by systematically reviewing how running wheel availability affects physical activity and other aspects of energy balance in laboratory rodents. While wheel running and physical activity in the absence of a wheel commonly correlate in a general sense, in many specific aspects the two do not correspond. In fact, the presence of running wheels alters several aspects of energy balance, including body weight and composition, food intake, and energy expenditure of activity. We contend that wheel-running activity should be considered a behavior in and of itself, reflecting several underlying behavioral processes in addition to a rodent's general, spontaneous activity. These behavioral processes include defensive behavior, predatory aggression, and depression- and anxiety-like behaviors. As it relates to energy balance, wheel running engages several brain systems-including those related to the stress response, mood, and reward, and those responsive to growth factors-that influence energy balance indirectly. We contend that wheel-running behavior represents factors in addition to rodents' tendency to be physically active, engaging additional neural and physiological mechanisms which can then independently alter energy balance and behavior. Given the impact of wheel-running behavior on numerous overlapping systems that influence behavior and physiology, this review outlines the need for careful design and interpretation of studies that utilize running wheels as a means for exercise or as a measurement of general physical activity. Copyright © 2012 Elsevier Ltd. All rights reserved.
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                Author and article information

                Journal
                rchnut
                Revista chilena de nutrición
                Rev. chil. nutr.
                Sociedad Chilena de Nutrición, Bromatología y Toxicología (Santiago, , Chile )
                0717-7518
                June 2022
                : 49
                : 3
                : 318-324
                Affiliations
                [1] Zapotlán el Grande Jalisco orgnameUniversidad de Guadalajara Mexico
                [2] orgnameRed Internacional de Investigación en Comportamiento Alimentario y Nutrición México
                Article
                S0717-75182022000300318 S0717-7518(22)04900300318
                10.4067/s0717-75182022000300318
                5657294b-77cd-42c7-95b1-9559d3f64b1c

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 22 February 2022
                : 21 March 2021
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 41, Pages: 7
                Product

                SciELO Chile

                Categories
                ORIGINAL ARTICLES

                Body weight gain,Feeding behavior,Physical activity,Sucrose consumption,Actividad física,Comportamiento alimentario,Consumo de sacarosa,Ganancia de peso corporal

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