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, ,
Volume 11, Issue 5 (3-2013)

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.

Mr Reza Amini, Dr Hamid Rajabi, Dr Mohamad Reza Amir Seifadini, Mr Koros Divsalar,
Volume 14, Issue 12 (10-2016)

The aim of the study, study of Changes in adiponectin, leptin, and plasma lipid profile of Inactive men the  result 24 session, playing futsal. In this study, 20 healthy men 20 to 30 years old, the experimental group (age: 23/5±2/58, weight: 69/36±14/48, body composition: 22/82±4/41) of controls (age: 24/6±2, weight: 68/22±12/71, body composition: 21/99±3/58) inactive randomly divided into control and experimental groups. Experimental groups in each session, indoor futsal training program for eight weeks and will run three sessions per week, while the control group had normal activity. Before the training program, and 48 h after the last session of play, 5 ml blood samples for measurement of adiponectin, leptin, and plasma lipid profile, blood was collected from the participants. After 48 hours of the last training session before the test was re-sampled in the same conditions. T-test results showed that exercise increased adiponectin and high-density lipoprotein and decreased leptin, low density lipoprotein, lipoprotein (a), triglycerides and cholesterol are, however, differences in adiponectin was not significant (P≤0.05). Overall, this study can be taken that these exercises in a short period of eight weeks futsal, adiponectin does not cause significant changes but the significant changes in leptin, high-density lipoprotein, low density lipoprotein, lipoprotein (a), triglycerides and cholesterol in the blood plasma.

Reza Sabzevari Rad, Hekmat Ehsan Bakhsh, Ebrahim Fasihi Ramandi,
Volume 19, Issue 22 (12-2021)

Adiponectin plays an important role in many metabolic and heart diseases. Regulation of liver enzymes is also essential for the health of the body's organs. Therefore, this study aimed to evaluate the effect of a HIIT training period on adiponectin levels and serum concentrations of liver enzymes in obese and overweight boys. 22 obese and overweight boys were selected and randomly divided into two groups of control and experimental. The experimental group performed eight weeks of HIIT pedaling with 80% HR reserve intensity for 3 days a week. The variables of adiponectin, aspartate aminotransferase (AST), alkaline phosphatase (ALP), alanine aminotransferase (ALT) using kits and laboratory methods as well as aerobic power, body mass index, and fat percentage of tests in the two stages before and after Exercise protocol was also measured and covariance test was used to compare the research variables and Pearson correlation coefficient was used to examine the relationship. The results were analyzed at a significant level (P<0.05) using SPSS software version 24. Performing eight weeks of HIIT exercise using a bicycle resulted in a non-significant reduction in adiponectin (P>0.05), AST(P>0.05)   and ALP(P >0.05) enzymes. This exercise also significantly reduced ALT enzyme (P<0.05) and fat percentage (P<0.05) and increased aerobic capacity (P<0.05)
HIIT exercise strengthens aerobic power and reduces the percentage of fat and reduces the liver enzyme ALT in obese boys. Of course, more research is needed to clarify this issue.

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