تاثیر کم‌خوابی بر برخی شاخص‌های قلبی-عروقی و خستگی بعد از تمرین ورزشی در صبح و عصر

نوع مقاله: مقاله پژوهشی

نویسندگان

گروه علوم ورزشی، دانشگاه شیراز، شیراز، ایران

چکیده

سابقه و هدف: برخی تحقیقات نشان داده­اند که کم‌خوابی بر عملکردهای ورزشکاران آثار مختلفی دارد. اما کمتر به تاثیر نواخت شبانه‌روزی در شرایط کم‌خوابی بر عملکرد توجه شده است. هدف از این تحقیق بررسی اثر حدود 4 ساعت محرومیت از خواب بر توان بی‌هوازی؛ برخی شاخص‌های قلبی عروقی شامل ضربان ‌قلب، فشار‌خون و میزان درک تلاش دختران ورزشکار متعاقب یک وهله ورزش بی هوازی در صبح و عصر بود.
مواد و روش­ها: آزمودنی‌های این تحقیق شامل 23 زن (سن: 730/0 ±52/21 سال، قد: 82/4±4/160 سانتی متر، وزن: 07/1 ±26/56  کیلوگرم) بودند که به طور داوطلبانه در تحقیق شرکت کردند.
آزمون‌های مربوط به اندازه­گیری توان بی‌هوازی (آزمون وینگیت)‌، فشار‌خون و ضربان‌قلب (استراحت و بعد از آزمون بی­هوازی) و میزان درک تلاش در چهار جلسه مجزا اجرا گردید. برای ارزیابی اطلاعات از روش آماری تحلیل واریانس با اندازه‌گیری مکرر و آزمون تعقیبی بن فرونی استفاده شد.
یافته‌ها: چهارساعت محرومیت از خواب موجب افزایش معنی­دار میزان درک تلاش آزمودنی­ها در هنگام عصر در مقایسه با خواب کامل شد (03/0P=). اما بر درک تلاش صبح، توان بی‌هوازی، فشار‌خون و ضربان‌قلب صبح و عصر تاثیر معنی­داری نداشت.
نتیجه گیری: از آنجا که کم‌خوابی می‌تواند‌ منجر به افزایش میزان درک تلاش ورزشکاران در هنگام عصر شود، توصیه می­شود که در مسابقات ورزشی زمان عصر، ورزشکاران خواب کافی داشته باشند.

کلیدواژه‌ها


عنوان مقاله [English]

The Effects of four hours of sleep deprivation on cardiovascular factors and fatigue index in morning and evening

نویسندگان [English]

  • Maryam Koushkie Jahromi
  • Shahrzad Asghari
Sport Sciences department, Shiraz University, Shiraz, Iran
چکیده [English]

Background&Purpose: Some studies have indicated that sleep deprivation induce different effects on athlete's performance. However, little attention has been paid to the effects of circadian rhythm on sleep deprivation. The aim of this study was to investigate the effect of 4 hours of sleep deprivation on anaerobic power, some cardiovascular factors including heart rate, blood pressure and perceived exertion following a boat of exercise in the morning and evening.
Material and Methods: 23 female collegiate athletes (21.47±0.730 year, 160.4± 4.82 cm, 56.26± 1.07 kg) voluntarily participated in this study. Anaerobic power (wingate test), blood pressure and heart rate (rest and following exercise test), and perceived exertion tests were performed during four separated sessions.  ANOVA with reapeated measures and post hoc test of Bonferroni were used for data analysis.
Results: 4 hours of sleep deprivation caused significant reduction of perceived exertion (p=0.03), but did not cause any significant effect on morning perceived exertion, morning and evening anaerobic power, heart rate and blood pressure.
Conclusions: Since sleep deprivation increases athlete’s perceived exertion in evening, enough sleep is recommended for evening competitions.
 

Results: 4 hours of sleep deprivation caused significant reduction of perceived exertion (p=0.03), but did not cause any significant effect on morning perceived exertion, morning and evening anaerobic power, heart rate and blood pressure.
Conclusions: Since sleep deprivation increases athlete’s perceived exertion in evening, enough sleep is recommended for evening competitions.

کلیدواژه‌ها [English]

  • Sleep Deprivation
  • Anaerobic Power
  • Heart Rate
  • Blood Pressure
  • Perceived Exertion
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