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Medical Journal of Islamic Republic of Iran، جلد ۲۷، شماره ۳، صفحات ۱۴۱-۱۴۶
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عنوان انگلیسی Effects of probiotic yogurt on performance, respiratory and digestive systems of young adult female endurance swimmers: a randomized controlled trial
چکیده انگلیسی مقاله Background: To determine the effects of probiotic yogurt on performance and health status of young adult female endurance swimmers. Methods: In a randomized controlled trial, 46 endurance swimmers girls with mean age of 13.8 ±1.8 years, weight of 48.6±7.5kg and height of 159±5.6cm, were studied. Subjects were randomly assigned into two groups, receiving either 400 ml probiotic yogurt (intervention group) or ordinary yogurt (control group) daily for 8 weeks. At the beginning and at the end of the study, the 400-m free swimming record was done and the Harvard Step test was employed to measure VO2max. Statistical analysis of the data was performed using SPSS software. This trial has been registered with IRCT ID of IRCT2012122311849N1. Results: Average changes in the records of the intervention and control groups were 3.9 and 0.5 seconds, respectively (p= 0.22). The intervention group complained of dyspnea for 2.4 days and the value for the control was 4.4 days (p=0.024). Values for ear pain were 0.5 and 1.6 days (p=0.008) respectively. The average number of episodes of respiratory infection in the intervention group was 0.9 day, which was statistically fewer than that in the control group (1.4 days), P=0.009. Conclusions: A reduction in the number of episodes of respiratory infections and duration of some symptoms such as dyspnea and ear pain was observed. Due to the reduction in upper respiratory tract infections of the athletes following intake of probiotic yogurt, improvement in VO2max is possible.
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نویسندگان مقاله ناهید سالارکیا | nahid salarkia
dept. of food and nutrition policy and planning research, national nutrition and food technology research institute, faculty of nutrition sciences and food technology, shahid beheshti university ofmedical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه شهید بهشتی (Shahid beheshti university)

لیلی قدم لی | leili ghadamli
shahid beheshti university of medical sciences, international branch, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (Shahid beheshti university of medical sciences)

فرید زایری | farid zaeri
dept. of biostatistics, faculty of paramedical sciences, shahid beheshti university of medical sciences, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (Shahid beheshti university of medical sciences)

لیلا صباغیان راد | leila sabaghian rad
islamic azad university, science and research branch, tehran, iran.

سازمان اصلی تایید شده: دانشگاه آزاد اسلامی علوم و تحقیقات (Islamic azad university science and research branch)

نشانی اینترنتی http://mjiri.iums.ac.ir/browse.php?a_code=A-10-1-586&slc_lang=en&sid=en
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