ﺗﺄﺛﯿﺮ ورزش ﻣﻘﺎوﻣﺘﯽ داﯾﺮهاي ﻗﺒﻞ از دوﯾﺪن واﻣﺎﻧﺪهﺳﺎز ﺑﺮ روي ﻧﻮار ﮔﺮدان ﺑﺮ ﻣﺘﺎﺑﻮﻟﯿﺴﻢ ﭼﺮﺑﯽ، ﮐﺮﺑﻮﻫﯿﺪرات و ﻫﺰﯾﻨﻪ اﻧﺮژي در دﺧﺘﺮان داراي اﺿﺎﻓﻪ وزن و ﭼﺎق

The effect of circuit resistance exercise before exhausting running on treadmill on fat, carbohydrate metabolism and energy expenditure in overweight and obese girls

زﻣﯿﻨﻪ ﺗﻤﺮﯾﻨﺎت ﻣﻘﺎوﻣﺘﯽ؛ ﺑﺎ ﺗﺤﺮﯾﮏ ﻫﻮرﻣﻮنﻫﺎ و آﻧﺰﯾﻢﻫﺎي درﮔﯿﺮ در ﻓﺮاﯾﻨﺪ ﻟﯿﭙﻮﻟﯿﺰ ﻣﯽﺗﻮاﻧﻨﺪ ﺑﺎﻋﺚ اﻓﺰاﯾﺶ ﻟﯿﭙﻮﻟﯿﺰ ﺷﻮﻧﺪ. ﻫﺪف ﺗﺤﻘﯿﻖ ﺣﺎﺿﺮ، ﺑﺮرﺳﯽ ﺗﺄﺛﯿﺮ ورزش ﻣﻘﺎوﻣﺘﯽ داﯾﺮهاي ﻗﺒﻞ از دوﯾﺪن واﻣﺎﻧﺪهﺳﺎز ﺑﺮ روي ﻧﻮارﮔﺮدان ﺑﺮ ﻣﺘﺎﺑﻮﻟﯿﺴﻢ ﭼﺮﺑﯽ، ﮐﺮﺑﻮﻫﯿﺪرات و ﻫﺰﯾﻨﻪ اﻧﺮژي در دﺧﺘﺮان داراي اﺿﺎﻓﻪ وزن و ﭼﺎق ﺑﻮد. روش ﮐﺎر 10 دﺧﺘﺮ داراي اﺿﺎﻓﻪ وزن و ﭼﺎق )وزن 10/18 78/02 ﮐﯿﻠﻮﮔﺮم( در دو ﺟﻠﺴﻪ ﻓﻌﺎﻟﯿﺖ 1( ورزش ﻣﻘﺎوﻣﺘﯽ و ﺳﭙﺲ دوﯾﺪن ﺑﺮ روي ﻧﻮارﮔﺮدان و 2( ﻓﻘﻂ دوﯾﺪن ﺑﺮ روي ﻧﻮارﮔﺮدان ﺷﺮﮐﺖ ﮐﺮدﻧﺪ. دوﯾﺪن ﺑﺮ روي ﻧﻮارﮔﺮدان ﺑﺎ ﺷﺪت 75 درﺻﺪ ﺿﺮﺑﺎن ﻗﻠﺐ ﺑﯿﺸﯿﻨﻪ ﺗﺎ رﺳﯿﺪن ﺑﻪ واﻣﺎﻧﺪﮔﯽ و ورزش ﻣﻘﺎوﻣﺘﯽ داﯾﺮهاي ﺷﺎﻣﻞ 5 اﯾﺴﺘﮕﺎه، 3 ﻧﻮﺑﺖ ﺑﺎ ﺷﺪت 55 درﺻﺪ ﯾﮏ ﺗﮑﺮار ﺑﯿﺸﯿﻨﻪ )1RM( اﻧﺠﺎم ﺷﺪ. ﮔﺎزﻫﺎي ﺗﻨﻔﺴﯽ آزﻣﻮدﻧﯽﻫﺎ ﺑﺎ اﺳﺘﻔﺎده از دﺳﺘﮕﺎه ﮔﺎز آﻧﺎﻟﺎﯾﺰور در ﺣﺎﻟﺖ ﭘﺎﯾﻪ ﺑﻪ ﻣﺪت 30 دﻗﯿﻘﻪ و در ﺣﯿﻦ ﻓﻌﺎﻟﯿﺖ ﺑﺮ روي ﻧﻮارﮔﺮدان ﺗﺎ رﺳﯿﺪن ﺑﻪ واﻣﺎﻧﺪﮔﯽ ﺟﻤﻊآوري ﺷﺪ. دادهﻫﺎ ﺑﺎ اﺳﺘﻔﺎده از آزﻣﻮن آﻧﺎﻟﯿﺰ وارﯾﺎﻧﺲ ﭼﻨﺪ ﻣﺘﻐﯿﺮه ﺗﺤﻠﯿﻞ ﺷﺪ )0/05 = α(. ﯾﺎﻓﺘﻪﻫﺎ ﻧﺘﺎﯾﺞ ﻧﺸﺎن داد ﮐﻪ ﻣﺘﺎﺑﻮﻟﯿﺴﻢ ﭼﺮﺑﯽ ﺣﯿﻦ ﻓﻌﺎﻟﯿﺖ در ﮔﺮوﻫﯽ ﮐﻪ ورزش ﻣﻘﺎوﻣﺘﯽ را ﻗﺒﻞ از دوﯾﺪن ﺑﺮ روي ﻧﻮار ﮔﺮدان اﻧﺠﺎم دادﻧﺪ ﺑﻪ ﻃﻮر ﻣﻌﻨﺎداري ﺑﯿﺸﺘﺮ از ﮔﺮوﻫﯽ ﺑﻮد ﮐﻪ ﻓﻘﻂ دوﯾﺪن ﺑﺮ روي ﻧﻮارﮔﺮدان را اﻧﺠﺎم داده ﺑﻮدﻧﺪ. ﻫﺰﯾﻨﻪ اﻧﺮژي و ﻣﺘﺎﺑﻮﻟﯿﺴﻢ ﮐﺮﺑﻮﻫﯿﺪرات ﺑﯿﻦ دو ﮔﺮوه ﺗﻔﺎوت ﻣﻌﻨﺎداري ﻧﺸﺎن ﻧﺪاد. ﻧﺘﯿﺠﻪﮔﯿﺮي دﺧﺘﺮان داراي اﺿﺎﻓﻪ وزن و ﭼﺎق ﻣﯽﺗﻮاﻧﻨﺪ ﺑﺮاي اﻓﺰاﯾﺶ ﻣﺘﺎﺑﻮﻟﯿﺴﻢ ﭼﺮﺑﯽ و ﮐﺎﻫﺶ اﺣﺘﻤﺎﻟﯽ در درﺻﺪ ﭼﺮﺑﯽ ﺑﺪن ﺧﻮد ﻗﺒﻞ از اﻧﺠﺎم دوﯾﺪن ﺑﺮ روي ﻧﻮارﮔﺮدان از ﻓﻌﺎﻟﯿﺖ ﻣﻘﺎوﻣﺘﯽ اﺳﺘﻔﺎده ﮐﻨﻨﺪ.

Introduction: Stimulating the hormones and enzymes involved in the lipolysis, resistive exercises can increase lipolysis. The aim of this study was to examine the effect of circular resistive exercises before exhausting running on treadmill on fat and carbohydrate oxidation and energy expenditure in overweight and obese girls. Materials and Methods: Ten overweight and obese girls (weight range: 78.02 to 10.18 kg) performed two types of exercises: 1) performing circular resistive exercises before running on treadmill, 2) just running on treadmill without any circular resistive exercises. Running on treadmill was performed at the intensity of 75% of the maximum heart rate until they were exhausted, and the circular resistive exercises consisted of five stations, each with three rounds at 55% of 1-RM (1-Repetition Maximum). The respiratory gases of the participants were measured by a gas analyzer system for 30 minutes in the baseline and while running on the treadmill until exhaustion. The collected data was analyzed using multivariate analysis of variance (MANOVA) (α = 0.05). Results: It was found that fat metabolism during the activity in the first group (performing circular resistive exercises before running on treadmill) were significantly higher than the second group (just running on the treadmill). Energy expenditure and carbohydrate metabolism were not reported to be significantly different between the two groups of the study. Conclusion: Overweight and obese girls can use circular resistive exercises before running on a treadmill in order to increase their fat oxidation and reduce their body fat percentage.