تأثیر مصرف ملاتونین بر توان بی‌هوازی و عملکرد کوتاه‌مدت بیشینه دختران دانشجوی تربیت‌بدنی

نوع مقاله : مقاله پژوهشی Released under (CC BY-NC 4.0) license I Open Access I

نویسندگان

1 کارشناس ارشد فیزیولوژی ورزشی، دانشکده علوم ورزشی، دانشگاه شهید چمران اهواز، اهواز، ایران

2 استادیار گروه فیزیولوژی ورزشی، دانشکده علوم ورزشی، دانشگاه شهید چمران اهواز، اهواز، ایران

3 مربی گروه فیزیولوژی ورزشی، دانشکده علوم ورزشی، دانشگاه شهید چمران اهواز، اهواز، ایران

چکیده

توان بی‌هوازی که یکی از اجزای آمادگی جسمانی و توانایی زیست حرکتی مهم در ورزش‌هایی است که نیاز به اجرای کوتاه‌مدت و سریع با بازده توان حداکثر دارند. هدف تحقیق حاضر، بررسی تأثیر مصرف حاد 6 میلی‌گرم ملاتونین بر توان بی‌هوازی و عملکرد کوتاه‌مدت دختران دانشجوی تربیت‌بدنی بود. تعداد 13 نفر (سن 29/1±5/21 سال، وزن 69/2±36/58 کیلوگرم، حداکثر اکسیژن مصرفی 17/4 ±08/39 میلی‌لیتر/کیلوگرم/دقیقه) به‌صورت متقاطع در 2 مرحله مکمل (6 میلی‌گرم ملاتونین) و دارونما (کپسول نشاسته) موردبررسی قرار گرفتند. توان بی‌هوازی توسط آزمون وینگیت، قدرت انفجاری بالاتنه و پایین‌تنه به ترتیب توسط پرتاب توپ مدیسن بال و پرش طول و هم‌چنین قدرت دست‌وپا توسط دینامومتر اندازه‌گیری شد. نتایج نشان داد مصرف 6 میلی‌گرم ملاتونین باعث افزایش معنادار توان بی‌هوازی می‌شود (P≤ 0/05)؛ در حالی که هیچ یک از شاخص های قدرت انفجاری بالاتنه و پایین تنه و هم چنین قدرت دست و پا پس از دریافت ملاتونین تغییر معناداری نکرد (P≥0/05). به نظر می‌رسد مصرف حاد ملاتونین 30 دقیقه قبل از فعالیت منجر به افزایش توان بی‌هوازی دختران دانشجوی تربیت‌بدنی می‌شود، اما بر عملکرد کوتاه‌مدت بیشینه بی‌تأثیر است.

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

The effect of melatonin on anaerobic power and short-term maximal performances in Girls student in Physical Education

نویسندگان [English]

  • Fatemeh Shiravand 1
  • Mohsen Ghanbar Zadeh 2
  • Maryam Hosein Zadeh 3
1 Master of Exercise Physiology, Faculty of Sport Sciences, Shahid Chamran University of Ahvaz, Ahvaz, Iran
2 Assistant Professor of Exercise Physiology, Faculty of Sport Sciences, Shahid Chamran University of Ahvaz, Ahvaz, Iran
3 Instructor of Exercise Physiology, Faculty of Sport Sciences, Shahid Chamran University of Ahvaz, Ahvaz, Iran
چکیده [English]

Purpose: Anaerobic power, which is one of the components of physical fitness and vital motor ability in sports requiring short and long term activities with maximum power output. The purpose of this study was to investigate the effect of acute consumption of 6 milligrams of melatonin on anaerobic power and short-term performance of girls Student was a nurse. Methods: Twelve (21.5 ± 1.29 years old, 58.63 ± 2.69 pounds, 39.8 ± 4.17 mg / kg / min) were selected randomly and crossed to 2 The supplementation phase (6 mg melatonin) and placebo (starch capsule) were evaluated. The anaerobic power was measured by the Wingate test, the upper and lower explosive strength, respectively, by means of the Madison Wing Ball and jump length, as well as the power of the duplex by the dynamometer, respectively. Results: The results showed that using 6 milligrams of melatonin, a significant increase in anaerobic power was observed in melatonin compared to placebo (P <0.05); however, short-term performance after melatonin administration did not change significantly (P≥0.05). Conclusion: The short-term use of melatonin seems to increase the anxiety of female students in nursing education, but it does not affect the long-term short-term efficacy.

کلیدواژه‌ها [English]

  • Anaerobic power
  • melatonin
  • short-run function

مراجع

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  • تاریخ دریافت: 09 فروردین 1398
  • تاریخ بازنگری: 31 خرداد 1398
  • تاریخ پذیرش: 02 تیر 1398

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