پاسخ سرمی عوامل تغذیه عصبی به مصرف کربوهیدرات در خلال فعالیت ورزش هوازی در فوتسالیست‌های مرد جوان

نوع مقاله: مقاله پژوهشی

نویسندگان

1 .استادیار، دانشکدۀ علوم ورزشی، دانشگاه علامه طباطبائی، تهران، ایران

2 استادیار گروه علوم ورزشی، دانشکدۀ ادبیات و علوم انسانی، دانشگاه لرستان، خرم‌آباد، ایران

3 .کارشناس‌ارشد فیزیولوژی ورزشی، دانشکدۀ تربیت بدنی، دانشگاه شهید چمران، اهواز، ایران

چکیده

نروتروفین‌ها تأثیرات فعالیت‌بدنی بر عملکرد و سلامت مغز را تعدیل می‌کنند. هدف پژوهش بررسی تأثیر فعالیت هوازی به‌شکل دویدن بر روی نوارگردان با و بدون مصرف کربوهیدرات بر سطوح سرمیBDNF، NT-4، NT-3 و IGF-1 بود. در این مطالعه نیمه‌تجربی 12مرد فوتسالیست جوان مبتدی شهرستان خرم‌آباد (سن: 64/0±13/17 سال، وزن: 18/10±25/64 کیلوگرم، قد: 59/5±88/172 سانتی‌متر) داوطلبانه انتخاب شدند. آزمودنی‌ها یک ساعت دویدن با شدت متوسط (60 درصد ضربان قلب ذخیره) را در دو جلسه با مصرف کربوهیدرات یا دارونما، با طرح تصادفی متقاطع انجام دادند. نمونه‌های خونی قبل از جلسه تمرین و 5دقیقه پس از جلسات تمرین جمع‌آوری شدند. اندازه‌گیری سطوحBDNF، NT-4، NT-3 و IGF-1 سرمی به‌روش الایزا و با استفاده از کیت مربوطه انجام گرفت. برای تحلیل داده‌ها از آزمون اندازه‌گیری‌های مکرر استفاده و سطح معنی‌داری 05/0>p در نظر گرفته شد. یافته‌ها نشان داد یک ساعت دویدن بر روی نوارگردان توانست مقادیر سرمیBDNF، NT-3 و NT-4 را با و بدون مصرف مکمل نسبت به مقادیر پایه به‌طور معنی‌داری افزایش دهد (05/0p<). علیرغم افزایش بیشتر مقادیر BDNF، NT-3 و NT-4 در زمان مصرف مکمل، تفاوت معنی‌داری بین مکمل و دارونما مشاهده نشد (05/0p>). همچنین نتایج تغییری را در سطوح سرمی IGF-1 نشان نداد (099/0p=). یک ساعت فعالیت‌بدنی هوازی با شدت متوسط با و بدون مصرف مکمل کربوهیدراتی تقریباً به‌طور یکسانی باعث افزایش معنی‌دار BDNF، NT-3 و NT-4 سرمی شد. بنابراین، به‌نظر می‌رسد برای افزایش تأثیرات مصرف مکمل کربوهیدراتی بر سطوح سرمی نروتروفین‌ها مدت یا شدت تمرین یا هر دو یا غلظت کربوهیدرات باید افزایش یابد.

کلیدواژه‌ها


عنوان مقاله [English]

Responses of Serum Levels of Neurotrophic factors to Carbohydrate Consumption during Aerobic Exercise Training in Adolescent Men’s Futsal Players

نویسندگان [English]

  • rasoul eslami 1
  • vahid valipour dehnou 2
  • heshmatollah alikarami 3
1 Assistant Professor, Faculty of Sport Sciences, Allameh Tabataba’i University, Tehran, Iran
2 Associate Professor, Sport Sciences Department, Literature and Human Sciences Faculty, Lorestan University, Khorramabad, Iran
3 . MSc of Exercise Physiology, Physical Education Faculty, Shahid Chamran University, Ahwaz, Iran
چکیده [English]

Neurotrophic factors mediate the effects of physical activity on brain health and function. The aim of study was to study the effect of aerobic exercise in the form of treadmill running with and without carbohydrate supplementation on serum levels of BDNF, NT-3, NT-4 and IGF-1. In this semi-experimental study, 12beginner adolescent men’s futsal players in Khorramabad city (age: 17.13±0.64years; weight: 64.25±10.18kg; height: 172.88±5.59cm) voluntarily selected. Subjects performed 1hour of treadmill running with moderate intensity (60% heart rate reserve) in two sessions with carbohydrate supplementation and placebo, in a randomized cross-over design. Blood samples were obtained before first training session and 5min after training sessions. The serum BDNF, NT-3, NT-4 and IGF-1 concentrations were measured using an ELISA kit. Statistical analysis were performed by repeated measures test and the level of significance was set at p0.05). Also, there was no change in serum levels of IGF-1 (p =.099). One hour of aerobic exercise with moderate intensity with and without carbohydrate supplementation equally leads to increase serum levels of BDNF, NT-3 and NT-4. Therefore, it seems that in order to increase the effects of carbohydrate supplementation on serum levels of neurotrophins, duration/intensity of exercise, or both, or concentration of carbohydrate should be increased.

کلیدواژه‌ها [English]

  • Aerobic training
  • Carbohydrate
  • Futsal
  • Neurotrophic factors
 

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