تاثیر تمرینات قدرتی و مکملc4 بر عملکرد قدرتی، اشباع اکسیژن شریانی و لاکتات خون مردان تمرین‌کرده قدرتی

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی دکتری فیزیولوژی ورزشی، گروه تربیت بدنی و علوم ورزشی، دانشگاه آزاد اسلامی واحد تهران شمال، تهران، ایران

2 استادیار، گروه تربیت بدنی و علوم ورزشی، واحد تهران شمال، دانشگاه آزاد اسلامی، تهران، ایران

3 استادیار، گروه فیزیولوژی ورزشی، دانشگاه آزاد اسلامی واحد علوم تحقیقات، دانشگاه آزاد اسلامی، تهران، ایران

4 دانشجوی کارشناسی ارشد فیزیولوژی کاربردی، گروه تربیت بدنی و علوم ورزشی، دانشگاه آزاد اسلامی واحد تهران شمال، تهران، ایران

5 دانشجوی کارشناسی ارشد فیزیولوژی کاربردی، گروه تربیت بدنی و علوم ورزشی، دانشگاه آزاد اسلامی واحد تهران شمال. تهران، ایران

10.22049/jahssp.2021.26864.1329

چکیده

هدف: هدف پژوهش حاضر، مطالعه اثر تمرینات قدرتی و مکمل c4 بر قدرت، اشباع اکسیژن سرخرگی و تجمع لاکتات مردان تمرین­کرده قدرتی بود.  روش شناسی:  بدین منظور 45 نفر مرد در بازه سنی 22 تا 35 سال که حداقل یک سال تمرین منظم مقاومتی داشتند به طور تصادفی گزینش شدند و به 3 گروه 15 نفره کنترل، تمرین قدرتی+ دارونما و تمرین قدرتی + مکملc4 تقسیم شدند. آزمودنی­ ها به مدت 6 هفته تمرینات مقاومتی یکسان انجام دادند. آزمودنی­ های گروه مکمل، روزانه به مدت 6 هفته، به میزان 5 گرم مکمل c4 را در سه وعده و گروه دارونما نیز مشابه با این گروه و به همین میزان نشاسته 30 دقیقه قبل از تمرین مصرف کردند. پیش از شروع پژوهش و پس از اتمام 6 هفته، میزان اشباع اکسیژن سرخرگی و لاکتات آزمودنی­ها اندازه­گیری شد. یافته ها: تمرین­های قدرتی در هر دو گروه با وجود افزایش قدرت بالاتنه و پایین تنه (0/05 > P)، به تغییر معناداری در میزان انباشت لاکتات خون و میزان اشباع اکسیژن خون سرخرگی منجر نشد (0/05<P). به علاوه، از لحاظ مقدار تغییرات قدرت در طی دوره مداخله در بین دو گروه تمرین قدرتی + مکملc4 و تمرین قدرتی+ دارونما تفاوتی وجود نداشت(0/05<P). نتیجه ­گیری: مصرف مکمل c4  هیچ فوایدی بر عملکرد قدرتی و یا کاهش تجمع لاکتات در ورزشکاران قدرتی ندارد.

کلیدواژه‌ها


عنوان مقاله [English]

Effects of Strength Training and C4 Supplementation on Strength Performance, Arterial Oxygen Saturation and blood Lactate level in Strength Trained Men

نویسندگان [English]

  • Maziar Shojaie 1
  • Lida Moradi 2
  • Nader Shakeri 3
  • SetareH Asadi 4
  • Mani Shojaei 5
1 PhD Student in Exercise Physiology, Department of Physical Education and Sports Sciences, Islamic Azad University, North Tehran Branch, Tehran, Iran
2 Assistant Professor, Department of Physical Education and Sports Sciences, North Tehran Branch, Islamic Azad University, Tehran, Iran
3 Assistant Professor, Department of Sports Physiology, Islamic Azad University, Research Sciences Branch, Islamic Azad University, Tehran, Iran
4 M.Sc. Student of Applied Physiology, Department of Physical Education and Sports Sciences, Islamic Azad University, North Tehran Branch, Tehran, Iran
5 M.Sc. Student of Applied Physiology, Department of Physical Education and Sports Sciences, Islamic Azad University, North Tehran Branch, Tehran, Iran
چکیده [English]

Aim: The purpose of this study was to investigate the effect of strength training and c4 supplementation on strength, arterial oxygen saturation and lactate accumulation in strength training men. Methods: For this purpose, 45 men (age: 22 to 35 years) who had at least one year of regular resistance training history were randomly selected and divided into 3 groups of 15 controls, Strength training + placebo and strength training + supplement c4. Subjects performed the same resistance exercises for 6 weeks. Subjects in the supplement group consumed 5 grams of c4 supplement daily in 6 meals for 6 weeks and the placebo group consumed the same amount of starch 30 minutes before exercise. Pre and post intervention arterial oxygen saturation and lactate levels were measured. Results: strength training in both groups did not lead to significant blood lactate accumulation or oxygen saturation (P>0.05) in spite of significantly increased upper and lower muscle group strength values(p < 0.05). Moreover, no between group difference was recorded for amount of strength development throughout the intervention period (P>0.05). Conclusion: c4 supplementation nor has benefits on strength performance, neither lowers blood lactate in strength trained athletes.

کلیدواژه‌ها [English]

  • strength training
  • c4
  • arterial oxygen saturation
  • lactate
 
 
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