اثر یک جلسه تمرین وامانده ساز استقامتی برعملکرد بطنی مردان ورزشکار
محورهای موضوعی : دسترسی آزاد
قباد حسن پور
1
,
محمد قادری
2
*
1 - گروه فیزیولوزی ورزشی، واحد مرودشت ، دانشگاه ازاد اسلامی ، مرودشت ، ایران
2 - مربی، دانشگاه آزاد اسلامی، واحد مهاباد، گروه تربیت بدنی و علوم ورزشی، مهاباد، ایران.
کلید واژه: تمرین هوازی بیشینه وامانده ساز (آزمون بروس) , فشار خون سیستول , فشار خون دیاستول , هزینه اکسیژن مصرفی میوکارد,
چکیده مقاله :
مقدمه : دستگاه قلبی-عروقی در حفظ حیات انسان اهمیت زیادی دارد. وظیفه این دستگاه حفظ یک محیط مناسب در تمام مایعات بافتی بدن برای بقا و عمل مناسب سلول هاست. هدف از انجام این تحقیق بررسی تغییرات عملکرد بطنی مردان نخبه متعاقب یک جلسه فعالیت ورزشی وامانده ساز استقامتی بود. روش شناسی تحقیق : تحقیق حاضر با توجه به ماهیت و روش اجرا از نوع تحقیقات کاربردی بود که بصورت نیمه تجربی و میدانی اجرا شد. جامعه آماری این تحقیق را مردان ورزشکار نخبه تشکیل دادند که تعداد 15 نفر از انها به صورت داوطلبانه در دسترس به عنوان نمونه آماری انتخاب شدند . پس از برگزاری جلسه توجیهی و پر کردن فرم رضایت اگاهانه پروتکل تمرین هوازی بیشینه وامانده ساز آزمون بروس برای گروه تمرین توضیح داده شد . سپس در ابتدا آزمون های فشار خون و سنجش اکسیژن میوکارد و ضربان قلب از ازمودنی ها به عمل آمد و در ادامه پروتکل تمرین هوازی(تست بروس ) توسط آزمودنی های تحقیق اجرا شد و بلافاصله آزمون های فشار خون و سنجش اکسیژن میوکارد و ضربان قلب از ازمودنی ها بعمل آمد در قسمت آماری توصیفی از میانگین و انحراف استاندارد استفاده شد و همچنین جهت تجزیه و تحلیل یافته های تحقیق از آزمون های آماری شاپیر – ویلک ، t وابسته استفاده شد. سطح معنی داری در تمامی اندازه گیری ها کمتر از 05/0 در نظر گرفته شد. یافته ها : نتاییج این تحقیق نشان داد یک جلسه تمرین وامانده ساز هوازی بر فشار خون دیاستول و فشار متوسط خون اثر معنی داری دارد ( 05/0 = p ). نتیجه گیری : بر اساس نتایج این تحقیق می توان گفت که در حین تمرین استقامتی فشار خون دیاستول و فشار متوسط سرخرگی کاهش معنی دار و ضربان قلب و هزینه اکسیژن مصرفی میوکارد افزایش معنی داری می یابد.و همچنین فشار خون سیستول بدون تغییر بود.
Introduction: The cardiovascular system is very important in maintaining human life. The function of this system is to maintain a suitable environment in all body tissue fluids for the survival and proper functioning of cells. The purpose of this study was to investigate changes in ventricular function in elite men following a session of exhaustive endurance exercise. Research Methodology: The present study was an applied research study, which was conducted in a semi-experimental and field manner, considering its nature and method. The statistical population of this study consisted of elite male athletes, 15 of whom were voluntarily selected as a statistical sample. After holding a briefing session and filling out the informed consent form, the Bruce test maximal aerobic exercise protocol was explained to the exercise group. Then, initially, blood pressure tests, myocardial oxygen measurement, and heart rate were performed on the subjects, and then the aerobic exercise protocol (Bruce test) was performed by the subjects of the study, and immediately blood pressure tests, myocardial oxygen measurement, and heart rate were performed on the subjects. Mean and standard deviation were used in the descriptive statistics section, and Shapiro-Wilk and dependent t tests were used to analyze the research findings. The significance level in all measurements was considered less than 0.05. Findings: The results of this study showed that one session of aerobic exhaustion training has a significant effect on diastolic blood pressure and mean blood pressure (p = 0.05). Conclusion: Based on the results of this study, it can be said that during endurance training, diastolic blood pressure and mean arterial pressure decrease significantly, and heart rate and myocardial oxygen consumption increase significantly. Systolic blood pressure also remained unchanged.
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