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Effect of one or two sessions per day of physical activity, with equal intensity and duration, on adiponectin and insulin resistance in sedentary middle-aged men
, ,
Volume 11, Issue 5 (3-2013)
Abstract

improves insulin resistance. However, the effect of training sessions a day is not
clear in this regard. The aim of this study was to investigate the effect of one or
two sessions a day of exercise training, with equal intensity and duration, on
insulin resistance in sedentary middle-aged men. Materials & Methods: 30
sedentary middle-aged male volunteers (age=43.6±6.5 yr, weight=80.4±13.6kg,
height=174.1±5.5cm,BMI=26.5±3.6kg/m2،VO2max=35.46±6ml/kg) randomized to
the control (n=10), one session a day (n=10)and two sessions a day training
group( n=10). Exercise program consisted of 16 weeks, five days a week, tread
mill running which was implemented as one (30 minutes) or two sessions (2×15
minutes) a day. Training intensity was 40-50% of HRmax at first week and
reached to 70-80% at 16th week of the training. Measurements of fasting blood
samples (insulin, glucose and adiponectin), insulin resistance, cardiorespiratory
fitness, abdominal obesity and BMI were obtained at baseline and post
exercise. Paired t test and analysis of Variance were used to analyze the data.
Results: After 16 weeks of training, compared with the control group, a
significant reduction in blood glucose, abdominal obesity and BMI, and a
significant increase in cardiorespiratory fitness were observed in the both
experimental groups; whereas insulin resistance remained unchanged, and
adiponectin was significantly increased only in the one session a day training
group. Conclusion: based on the findings it seems that, dividing the physical
activity session in two shorter parts can improve glucose profile, cardiorespiratory
fitness and obesity indicators the same as a continuous exercise session. But in
terms of increased adiponectin and decreased abdominal obesity, continuous
exercise session is more effective.


The effect of glucose and glutamine supplementation on serum HSP72 in non-athlete men during four weeks exhausting endurance-intermittent training
, , , , ,
Volume 12, Issue 7 (4-2014)
Abstract

The aim of the present study was to investigate the effect of glucose and glutamine supplementation on serum HSP72, in non-athlete men during four weeks exhaustive endurance - intermittent training that causes glycogen depletion. For this purpose 20 non-athlete healthy men were selected and randomly divided into four groups including: glucose supplementation with glycogen depletion training group (n = 5, supplement 1), glutamine supplementation with glycogen depletion training group (n = 5, supplement 2), glycogen depletion training group (n = 5, placebo) and a group without any treatment (n = 5, control). The blood samples were collected at the onset of training protocol period and 48 hours after final training session from anticubital venous. Serum HSP72 concentration were determined by ELISA technique. The main and interaction effects of variables were determined using TWO WAY ANOVA compeleted with Tukey post-hoc test. The significant level was chosen as &alpha; = 0.05.The results showed the significant effect of training variable for serum HSP72 concentration, [F(1,17)= 6.362 P<0.05] . The effect of supplementation variable was significant for serum HSP72 concentration, [F(1,17)= 15.362 P<0.01] . Post-hoc test showed the significant difference between placebo with supplement 1 group (p<0.05) and placebo with supplement 2 group (p<0.01). The interaction effect between two variables was not significant. In summery, the results suggested that in glycogen depletion training condition, glucose or glutamine supplementation have significant effect on serum HSP72 concentration.


Effects of 12-week integrated exercise training on glycemic and peripheral sensation control in diabetic peripheral neuropathy
, , , ,
Volume 19, Issue 22 (12-2021)
Abstract
Aim: Neuropathy control and management is an objective in therapeutic exercises prescribed for patients with Type 2 diabetic peripheral neuropathy. We examined the effects of 12-week integrated exercises (IE) on glycemic control and peripheral sensation criteria in patients with diabetic neuropathy. Methods: Based on scores of MNSI, we assigned 40 patients into two equal paired random groups (control vs. IE). Pre and post-tests were administered before and after three months of intervention for 3 sessions per week with a time of 60 minutes in the first week and gradually increased with the duration and volume of training to 90 minutes in the final session.
 Results: Repeated measures ANOVA showed no significant interaction between FBS of the groups (P = .26), but significant interactions were observed between the levels of 2 hrs pp G , 4 pm G, HbA1c, Diapason, Monofilament, and Thermofeel in favor of the IE group (P <.05). Conclusion: At the beginning of the IE, we used massage and foam roller to release pain, and improve blood circulation as well as sensation in the neuropathic areas. This may have helped the patients perform the aerobic and resistance exercises more easily Therefore, better glycemic control and peripheral sensation was achieved. Verification of the long-term effects of this training strategy requires further study.


Association of Arterial Stiffness Following Glucose Uptake and Exercise with Baseline Vitamin D Levels in Inactive Men and Women
Dr Adel Donyaei, Mustafa Rahimi, Fatemehsadat Nabavi,
Volume 20, Issue 24 (3-2023)
Abstract
vitamin D deficiency is associated with many cardiovascular disorders. Arterial stiffness responses also depend on nutritional and exercise. Therefore, the study aimed to investigate the relationship between arterial stiffness response after glucose uptake and exercise with baseline levels of vitamin D in inactive men and women.
The present study was an analysis correlation study, and the subjects were 88 inactive men and women with an age range of 20 to 45 years. Vitamin D, body composition, and arterial stiffness, were measured. Subjects then ran for 30 minutes at 65% of maximum heart rate. Also, 75g of glucose was given to the subjects after 30 minutes of activity, 60 minutes after the of glucose consumption and arterial stiffness was measured. Data were analyzed using Pearson correlation test and analysis of variance with repeated measures at a significant level (P≤0.05).there was a negative and significant relationship between baseline levels of vitamin D and changes in CAVI in women (p=0.001 and r=-0.559) and in men a positive and significant relationship (p=0.005 and r=0.413).It seems that basal levels of vitamin D can be effective in the vascular response; due to little research, more research is need.

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