تاثير هشت هفته تمرين تناوبي با شدت بالا در تركيب با رژيم‌هاي غذايي پر پروتئين بر عملكرد فيزيولوژيكي، نشانگر‌هاي استرس اكسيداتيو و التهابي در سالمندان كم تحرك داراي اضافه وزن

Effects of 8 weeks High Intensity Interval Training in combined with High- Protein Diets on physiological function, Oxidative Stress an‎d Inflammation Markers in Sedentary Elderly with Overweight

فيزيولوژي ورزش

Background an‎d purpose: Diets high in amino acids have been widely used to improve inflammatory markers an‎d performance in various athletes, but this issue is controversial in sedentary elderly undergoing high-intensity interval training (HIIT). This study was aimed at the effect of protein diets with different doses on body composition, physiological factors, markers of oxidative an‎d inflammatory stress in sedentary overweight elderly people undergoing HIIT. Materials an‎d Methods: In this semi-experimental study, 56 overweight elderly people with the mean an‎d stan‎dard deviation of age: 69.43±4.04 years an‎d body mass index: 28.70±0.87 kg/m2 volunteered in They participated in this study an‎d then ran‎domly divided into four groups: (n=13), exercise + high protein diet (n=14), exercise + moderate protein diet, exercise + natural diet (n=14) an‎d Control (n=15) were placed. The estimated amount of protein consumed in the groups was 0.8 g, 1.2 g, 1.6 g/kg body weight per day, respectively. High-intensity interval training in all intervention groups was 3 sessions/week for 8 weeks. Oxidative stress markers (MDA, SOD, CAT), levels of C-reactive protein, adiponectin, tumor necrosis factor alpha (TNF-a), Irisin an‎d body composition were measured before an‎d at the end of the study period. The data were analyzed using dependent t test an‎d analysis of covariance at a level less than 0.05. Results: covariance analysis, significant difference in the levels of oxidative stress markers (MDA, SOD, CAT), levels of CRP, TNF-a, adiponectin, irisin an‎d body composition (weight, body mass index, BF%) between the high protein an‎d medium protein groups compared to the normal an‎d control protein groups after 8 weeks of HIIT training (p≤0.05). Conclusion: The findings of the present study showed that effects of HHT combined with high protein diets in comparison with diets with natural protein have a greater effect on improving markers of oxidative stress, inflammation, Irisin, an‎d body composition in sedentary, overweight elderly people undergoing HHT.

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