اثر هشت هفته تمرینات منتخب والیبال بر امید به زندگی و عملکرد قلبی زنان سالمند
محورهای موضوعی : فیزیولوژی علمی عضلانی - فیزیولوژی فعالیت بدنی و تندرستی -
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2 - استاد، گروه فیزیولوژی ورزشی، واحد مرودشت ، دانشگاه آزاد اسلامی، مرودشت ، ایران.
کلید واژه: تمرین والیبال, فشار خون, ضربان قلب, هزینه اکسیژن مصرفی میوکارد, امید به زندگی,
چکیده مقاله :
مقدمه: امید به عنوان یکی از منابع مقابله ای انسان در سازگاری با مشکلات و حتی بیماریهای صعب العلاج درنظر گرفته می شود و از آنجا که هرگونه اختلال و آسیب در عملکرد دستگاه قلبی-عروقی سلامت و زندگی انسان را به مخاطره می‌اندازد. بنابراین هدف از انجام تحقیق حاضر بررسی اثر هشت هفته تمرینات منتخب والیبال بر عملکرد قلبی زنان سالمند بود.
روش شناسی پژوهش: جامعه آماری پژوهش شامل زنان سالمند شهر شیراز بودند که تعداد 30 نفر به صورت داوطلبانه و در دسترس به عنوان نمونه آماری انتخاب و بصورت تصادفی به دو گروه تمرین (15 نفر) و کنترل (15 نفر) تقسیم شدند. در ابتدا شاخص های توصیفی قد و وزن اندازه گیری شد. فشار خون سیستول و دیاستول، ضربان قلب اندازه گیری شد. پرسشنامه امید به زندگی توسط آزمودنی ها تکمیل گردید. آزمودنی های گروه تمرین 8 هفته تمرینات منتخب والیبال را مطابق پروتکل تمرینی انجام دادند. گروه کنترل هیچ گونه فعالیتی انجام ندادند. 48 ساعت بعد از آخرین جلسه تمرینی مجددا اندازه گیری ها از هر دو گروه بعمل آمد. جهت بررسی توزیع طبیعی داده ها از آزمون کالموگروف- اسمیرنوف و جهت تجزیه و تحلیل یافته‌ها از آزمون t وابسته و مستقل استفاده شد (05/0≥P).
یافته ها: نتایج نشان دادند که تمرینات منتخب والیبال باعث کاهش معنی دار ضربان قلب و هزینه اکسیژن مصرفی میوکارد، فشار خون سیستول، فشار خون دیاستول و متوسط فشار خون سرخرگی می شود. همچنین تمرینات منتخب والیبال می تواند باعث بهبود و افزایش امید به زندگی در زنان سالمند گردد.
نتیجه گیری: بنابراین با توجه به نتایج به نظر می رسد پروتکل تمرینی والیبال می تواند اثرات مثبتی بر عملکرد قلبی زنان سالمند داشته باشد و جهت کاهش فشار خون از پروتکل تمرینی تحقیق حاضر استفاده نمود.
Introduction: Hope is considered as one of the human coping resources in adapting to problems and even incurable diseases, and since any disorder and damage to the cardiovascular system endangers human health and life. Therefore, the purpose of the present study was to investigate the effect of eight weeks of selected volleyball exercises on the cardiac function of elderly women.
research methodology: The statistical population of the study included elderly women in Shiraz, of whom 30 were voluntarily and conveniently selected as a statistical sample and randomly divided into two training groups (n=15) and control (n=15). Initially, descriptive indicators of height and weight were measured. Systolic and diastolic blood pressure, heart rate were measured. The life expectancy questionnaire was completed by the subjects. The subjects in the training group performed 8 weeks of selected volleyball exercises according to the training protocol. The control group did not perform any activity. 48 hours after the last training session, measurements were taken again from both groups. The Kolmogorov-Smirnov test was used to examine the normal distribution of data, and the dependent and independent t tests were used to analyze the findings (P≥0.05).
Findings: The results showed that selected volleyball exercises significantly reduced heart rate and myocardial oxygen consumption, systolic blood pressure, diastolic blood pressure, and mean arterial blood pressure. Also, selected volleyball exercises can improve and increase life expectancy in elderly women.
Conclusion: Therefore, according to the results, it seems that the volleyball training protocol can have positive effects on the cardiac function of elderly women, and the training protocol of the present study was used to reduce blood pressure.
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