絶食時のレジスタンストレーニングが骨格筋及びその他臓器組織重量に及ぼす影響

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Experiments were conducted as part of research into the nutrition at the time of resistance training. Animals were used 20 female ICR mice. As a muscle hypertrophy model, the tenotomy method which Denny-Brown developed was used. The mice were classified into four groups(five in each group). (1) Food intake and tenotomy group, (2) Food intake and nontenotomy group (3) Non-food intake and tenotomy group (4) Non-food intake and non-tenotomy group The experiment was conducted for five days. The mice were kept in individual cages at a room temperature of 24℃. Drinking water was given freely. Non-food intake group was put on a fast from next day after the tenotomy. Five days later, mice were sacrificed by blood removal under anesthesia, and then each of the organs and tissues were collected from each mouse. As a result of considering the influence of fasting on the hypertrophy rate of a soleusand plantaris muscle, the statistical significant difference between the average value of each muscle weight was not seen.The result compared each organ weight of Food intake and tenotomy group, and non-foodintake and tenotomy group, Significant difference was observed between the mean values of groups, non-food intake and tenotomy group were lower. The result compared each organ weight of Food intake and non-tenotomy group, and non-food intake and non-tenotomy group, significant difference was observed between the mean values of both groups, And non-foodintake and non-tenotomy group were lower. As for brain weight, the significant difference was not seen between the average value of the four groups. Form the above experimental results, the presence of food has not been implicated in skeletal muscle hypertrophy, but the increase or decrease the weight of each organ were found to be significantly involved.
2012-03-10

絶食時のレジスタンストレーニングが骨格筋及びその他臓器組織重量に及ぼす影響

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