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List of Articles
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Open Access Article
1 - Effect of Concurrent Lower Body Endurance Training and Upper Body Resistance on CRP, Blood Lipid Profile and Endurance and Resistance Performance of Overweight and Obese Girls
Khalid Mohamadzadeh salamat parisa mokri babamiriThis study investigated the effect of 12weeks of lower body endurance training (LBET, 40 min endurance training on ergometer), upper body resistance training (UBRT, 40 min upper body resistance training), concurrent endurance and resistance training (CERT, 20 min lower MoreThis study investigated the effect of 12weeks of lower body endurance training (LBET, 40 min endurance training on ergometer), upper body resistance training (UBRT, 40 min upper body resistance training), concurrent endurance and resistance training (CERT, 20 min lower body endurance + upper body resistance training) and control (C, no training) on CRP, serum lipids and lipoproteins, VO2max, and maximum strength of leg pressures (LP) and chest press (CP) in overweight girls. Forty-eight overweight and obese girls (BMI> 25 kg / m2) were randomly divided into four equally numbers groups. Measurements were performed before the beginning of the training and 24 hours after the last training session. The results showed a significant difference in CRP (P = 0.001), LDL-C (P = 0.014), cholesterol (P = 0.001) and VO2max (P = 0.001) between LBET and UBRT and also in CRP groups (P = 0.031) and LP (P = 0.008) between LBET and UBRT groups. However, there was no significant difference in HDL-C and TG between groups (P> 0.05). After the training, there was a significant decrease in LDL-C and TG concentrations in all intervention groups and CRP, HDL-C, VO2max, CP and cholesterol in LBET and CERT groups (P <0.05). Also, there was a significant increase in CP in UBRT and CERT groups. Therefore, it can be concluded that doing concurrent training with the allocation of half the duration of each of LBET and UBRT interventions, improves the inflammation, lipid profiles, and endurance and resistance performance of overweight and obese girls. Manuscript profile -
Open Access Article
2 - Response of β-cell function and serum leptin to progressive aerobic exercise in obese males
Davood KhorshidiObesity is associated with metabolic disorders including type 2 diabetes. The objective of this study was to investigate the alternation of β-cell function and serum leptin following progressive aerobic exercise in obese males. Fifteen obese males adult (mean body MoreObesity is associated with metabolic disorders including type 2 diabetes. The objective of this study was to investigate the alternation of β-cell function and serum leptin following progressive aerobic exercise in obese males. Fifteen obese males adult (mean body mass index, 31.6 kg/m2) participated in this quasi -experimental study. Glucose, insulin, leptin, insulin resistance and β-cell function measured before and immediately after a single of aerobic exercise on a bicycle ergometer. Data were analyzed using paired t-test. A single session of progressive aerobic exercise resulted in a significant change in glucose and β-cell function; however, no significant changes were found in the insulin, leptin and insulin resistance. The results of this study showed that exercise may have a desirable effect on β-cell function independent of changes in insulin resistance and adipocytokines such as leptin. Manuscript profile -
Open Access Article
3 - Compare the effect of acute aerobic activity on the oxidative and antioxidant status of normal and obese women
Adnan Fatahi Fatima FatahiDespite the beneficial effects of physical activity on health and disease prevention, some studies suggest that physical activity increases the production of reactive oxygen species; therefore the aim of the present study was to compare the effect of acute aerobic activ MoreDespite the beneficial effects of physical activity on health and disease prevention, some studies suggest that physical activity increases the production of reactive oxygen species; therefore the aim of the present study was to compare the effect of acute aerobic activity on the oxidative and antioxidant status of normal and obese women. For this purpose twenty subjects non-athlete women (10 normal weight and 10 obese) were selected randomly. Subjects participated in the Bruce Treadmill Test Protocol (acute aerobic activity). Body fat percentage of subjects were measured using calipers and by measuring the thickness of the triceps skin folds of the females according to the Jackson and Pollock equations. Blood samples were collected from both groups before and after the activity to measure changes in Malondialdehyde and total antioxidants. The results showed that the levels of malondialdehyde increased significantly in both groups immediately after the pretest activity, but total antioxidant levels did not change significantly between the two groups. Aerobic exercise in non-athlete subjects results in increased levels of malondialdehyde which is an oxidant index. Acute aerobic activity overproduces free radicals and reduces antioxidant resources, Increases oxidative stress, weakens antioxidant capacity, and increases oxidative damage to biological macromolecules including membrane proteins and lipids (malondialdehyde). Manuscript profile -
Open Access Article
4 - Investigation the protective effect of vitamin C and forced swimming activity on glycemic index in male diabetic rats treated with alloxan monohydrate.
Ronak Azizbeigi Aazam Amiri Mahdieh RaeeszadehThe aim of this study was to investigate the effect of vitamin C on glycemic indices during forced swimming activity in male diabetic rats treated with alloxan monohydrate. For this purpose, 50 adult male Wistar rats were randomly divided into 5 groups of 10, including MoreThe aim of this study was to investigate the effect of vitamin C on glycemic indices during forced swimming activity in male diabetic rats treated with alloxan monohydrate. For this purpose, 50 adult male Wistar rats were randomly divided into 5 groups of 10, including the control group, the diabetic group, the diabetic - vitamin C group, diabetic - forced swimming activity group and the diabetic - vitamin C - forced swimming activity group. According to the protocol, forced swimming activity was performed in six sessions (10 to 60 minutes) per week.Blood sampling was done 24 hours after the last interventions, in state fasting and directly from the heart of the animals. The results showed that there is a significant difference between the diabetic - vitamin C - forced swimming group and the control group with the diabetic group, in fasting blood sugar, insulin, glycosylated hemoglobin and insulin resistance. (p≥0.05). Also, a significant difference was observed in insulin levels between the diabetic - forced swimming group, the diabetic - vitamin C group (p=0.035) and the diabetic - forced swimming - vitamin C group (p=0.019).While there was no significant difference between any of the intervention groups in other variables (p>0.05). In general, it can be concluded that although vitamin C and forced swimming were able to moderate and reduce fasting blood sugar in diabetic rats, despite this, the combination of these two factors will not bring more benefits.Key words: vitamin C, forced swimming activity, diabetes, alloxan monohydrate, male rat Manuscript profile -
Open Access Article
5 - The Effect of whey protein supplementation and strength training on serum lipids in overweight women
Mahnaz Noroozi Naser Behpour Mehran GhahramaniAbstractAim: The aim of this study was to investigate the effect of eight weeks of resistance training and whey protein supplementation on female serum hyperlipidemia. Methods: The research method was semi-experimental. 18 overweight women aged 20 to 35 years and a body MoreAbstractAim: The aim of this study was to investigate the effect of eight weeks of resistance training and whey protein supplementation on female serum hyperlipidemia. Methods: The research method was semi-experimental. 18 overweight women aged 20 to 35 years and a body mass index of more than 25 were randomly selected and randomly divided into two experimental (8) and control (10) groups. Both groups practiced resistance training for eight weeks based on the principle of overload. During this time, the experimental group consumed 1.2 mg for per kilogram of body weight whey protein supplementation, per day, and the control group consumed the same amount of maltodextrin. Blood samples were taken before and after the period of eight weeks. Data were analyzed using an Kolmogram-Smirnov test, independent and dependent t test at a level α<0.5. Results: The results showed that resistance training and whey protein supplementation had a significant effect on LDL ‐ C, but trigliceride, total cholesterol, HDL ‐ C serum did not have a significant effect. The results obtained from the dependent t between pre-test and post-test in the experimental group were significant only in blood cholesterol and low-density lipoprotein, and there was no significant difference in other indicators. Conclusion: Whey supplementation and strength training improve body composition and fat profile, but more time (more than 12 weeks) is needed for significant changes. Manuscript profile -
Open Access Article
6 - The effect of eight weeks of intense circular exercise on serum irisin levels in inactive women
javad almasi Sajad Mohamadbigi Fatemeh Zakery PurBackground: The Effect of 8 weeks of High Intensity Ciruit Training on serum levels of Irisin in overweight sedentary females Abstract Irisin is a myokine released from a membrane protein FNDC5 and has positive effects on carbohydrate metabolism. The aim of this study w MoreBackground: The Effect of 8 weeks of High Intensity Ciruit Training on serum levels of Irisin in overweight sedentary females Abstract Irisin is a myokine released from a membrane protein FNDC5 and has positive effects on carbohydrate metabolism. The aim of this study was to investigate the effect of 8 weeks of Hight intensity circuit training on serum levels of Irisin in overweight sedentary females. the results of this study can help by improving the level of the aerobic fitness, weight loss and increasing serum levels of Irisin. Its also could explain the benefits of these exercises to enhance women's exercise levels and reduce the growing number of noncommunicable diseases, especially obesity, diabetes, and cardiovascular disease in this population of the basic foundations of any family are a great help. Methods: 30 healthy women in the age range of 25-35 years with menstrual period and regular sleep, BMI equal to and between 25-29/9 kg / m2, without any chronic disease , available as a sample and voluntarily. The study was randomly divided into 2 groups including (control group n=10, training group n=20). high intensity circuit training was performed for 24 sessions over 8 weeks, and they were trained 3 days a week. Before and after the 8-week period, the serum levels of Irisin were measured. Results: The results showed that a period of high intensity circuit training had a significant effect on Irisin, weight loss, BMI and aerobic fitness in overweight sedentary women (P<0.05). Conclusion: It can be concluded that this exercise protocol intake have some positive effects on serum levels of Irisin in overweight sedentary women can benefit from any of these interventions to improve their physical condition and their health Manuscript profile
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