The response of Irisin Serum and insulin resistance to acute Pilates training sessions Pilates Training in obese sedentary women

Background & Objective: Irisin is myokine, that is secreted by acute exercise activity from the muscle and increases energy consumption. The purpose of this study was to determine the response of irisin serum and insulin resistance to acute pilates training sessions pilates training in obese sedentary women. Materials & Methods: This research is a semi experimental study with pre-and post-test design. The statistical population of this study was made up of disabled obese women in Ahwaz, with 21 subjects (mean age 39.1±10.0 years and BMI 35.9±3.4 kg/m2) were randomly divided into Pilates group (n=12) and control group (n=9). The training group performed 60-minute Pilates training with a14-16 Borg perceived perception index, while the control group did not exercise. After at least 8 hours-fasting, blood samples were collected before and immediately after each activity, to measure the levels of Irisin, glucose, insulin and insulin resistance. Data were analyzed with paired-sample t-test and ANCOVA and the relationship between the variables was calculated by Pearson correlation test. Results: The results indicated no significant changes in blood glucose, insulin, insulin resistance index and serum Irisin levels in Pilate’s group compared with the control group after a Pilates exercise session (p≥0.05). Furthermore, correlation was not between Irisin to, glucose, insulin, and insulin resistance index (p≥0.05). Conclusion: Although research on this regard is a beginning pathway. However, Acute Pilates exercise does not seem to have an effect on glucose, insulin, insulin resistance, and Irisin level

Comparison of high-intensity interval versus low-intensity continuous training for myelin synthesis related genes in C57BL/6 mice

Abstract  Introduction: By increasing the scientific focus on myelination, identifying factors that influence the myelination is an important goal for brain health. There are some studies that regular exercise improves myelin sheath and neuronal regeneration. However, the effects of exercise intensities on the myelination remain unclear. Therefore, the purpose of this study was to compare the effect of high-intensity interval (HIIT) versus low-intensity continuous training (LICT) on myelin synthesis-related genes in hippocampus of C57BL/6 mice. Materials and methods: Male C57BL/6 mice (n = 30) were randomly assigned to 3 groups: control (C), Interval training (IT), and Continuous training (CT). Training programs on the treadmill were performed for 8 weeks and then, the hippocampus of animals was analyzed for the expression of myelin basic protein (MBP) and proteolipid protein (PLP) genes. Data were analyzed using ANOVA. Results: The result showed that HIIT program significantly increased the mRNA levels of MBP and PLP in comparison with LICT and Control groups (P0.05). Conclusion: Our results showed that HIIT had a more efficient by improving the expression of MBP and PLP genes compared to LICT in the hippocampus