اثر حاد و مزمن تمرین تناوبی با شدت باال در محیط طبیعی و گرم بر سطوح سرمی BDNF در مردان سالم

طاهرای راد, الناز; رجبی, حمید

اثر حاد و مزمن تمرین تناوبی با شدت باال در محیط طبیعی و گرم بر سطوح سرمی BDNF در مردان سالم

نوع مقاله : علمی - پژوهشی

نویسندگان

دانشکده تربیت بدنی و علوم ورزشی، دانشگاه خوارزمی، تهران، ایران

چکیده

هدف: هدف از انجام این پژوهش تعیین اثر تمرین تناوبی با شدت باال در محیط طبیعی و گرم بر تغییرات سطوح سرمی BDNF
مردان سالم بود.
روشها: در این پژوهش 24 دانشجوی مرد سالم با توجه به برآورد vVO2max به سه گروه تمرین در محیط گرم )8 نفر(، تمرین
در محیط طبیعی )8 نفر( و کنترل )8 نفر( به صورت همگن تقسیم شدند. آزمودنیهای گروه محیط گرم و طبیعی 12 جلسه طی
دو هفته متوالی تمرین کردند. هر جلسه تمرین شامل 5 وهله 150 ثانیه دویدن با شدت 90-85 درصد vVO2max روی نوارگردان
بود که بین هر وهله 150 ثانیه دویدن با شدت 50 درصد vVO2max به عنوان استراحت فعال قرار داشت. مقادیر BDNF به روش
االیزا سنجیده شد و دادهها با استفاده از روش آماری تحلیل واریانس یکطرفه تحلیل شدند.
نتایج: پس از یک جلسه فعالیت مقدار BDNF در دو گروه تمرینی گرم )018/0=P )و طبیعی )045/0=P )در مقایسه با پیشآزمون
افزایش معناداری داشت. البته این تغییرات در گروه محیط گرم در مقایسه با محیط طبیعی تفاوت معناداری نداشت )262/0=P.)
عالوه بر این در دو گروه تمرینی گرم )001/0=P )و طبیعی )012/0=P )بعد از گذشت دو هفته از فعالیت در مقدار BDNF افزایش
معناداری مشاهده شد. همچنین دو هفته تمرین بر سطوح BDNF بین گروههای تمرینی تفاوت معنادار به وجود نیاورد )267/0=P .)
نتیجهگیری: به نظر میرسد که فعالیت تناوبی صرف نظر از اینکه در محیط طبیعی یا گرم انجام شود باعث افزایش مقدار BDNF
میشود.

کلیدواژه‌ها

عنوان مقاله [English]

Acute and chronic effect of high-intensity interval training in nutral and hot environment on serum BDNF levels in healthy men

نویسندگان [English]

Elnaz Taherirad
Hamid Rajabi

Faculty of Physical Education and Sport Science, Kharazmi University, Tehran, Iran

چکیده [English]

Purpose: The purpose of this study was to determine the effect of high intensity interval training in
temperate and warm environment on serum BDNF in healthy men.
Methods: In this research, 24 healthy male students according to vVo2max estimation divided to 3 groups,
training in the warm environment (n=8), training in the temperate environment (n=8) and control (n=8)
categorized as matched. Subjects of experimental group were trained 12 sessions for two weeks. Each session
included 5 set of 150 seconds running on treadmill with %85-90 of vVo2max with 150 seconds active recovery
between each set with 50 percent of vVo2max. Serum BDNF was assessed using ELISA kits and the data were
analyzed by one-way ANOVA.
Results: The results show that one session high intensity interval activity in warm (p=0.018) and temperate
(p=0.045) environment induce significant increment in serum BDNF, However between training group,
significant difference was not observed (p=0.262). Furthermore two weeks of high intensity interval training
in warm (p=0.001) and temperate (p=0.012) environment resulted in significant increment in serum BDNF,
also two weeks of training on the level of BDNF not produce significant difference between training and
control groups (p=0.267).
Conclusions: It seems that high intensity interval training regardless of whether in temperate or warm
environment increases the level of BDNF.

کلیدواژه‌ها [English]

High intensity interval training
Environment temperature
Brain derived neurotrophic factor
VO2max

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