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Six high-intensity interval training sessions over 5 days increases maximal oxygen uptake,endurance capacity,and sub-maximal exercise fat oxidation as much as 6 high-intensity interval training sessions over 2 weeks

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Journal of Sport and Health Science 2021年第4期10卷 478-487页

作者： Muhammed M.Atakan yasemin guzel Suleyman Bulut Sukran N.Kosar Glenn K.McConell Huseyin H.Turnagol Division of Nutrition and Metabolism in Exercise Faculty of Sport SciencesHacettepe UniversityAnkara 06690Turkey Institute for Health and Sport Victoria UniversityMelbourneVIA 3011Australia

Background:High-intensity interval training(HIIT)induces similar or even superior adaptations compared to continuous endurance ***,just 6 HIIT sessions over 2 weeks significantly improves maximal oxygen uptake(VO_(2max)),submaximal exercise fat oxidation,and endurance *** even faster adaptations can be achieved with HIIT is not ***,we aimed to determine whether 2 sessions of HIIT per day,separated by 3 h,every other day for 5 days(double HIIT(HIIT-D),n=15)could increase VO_(2max),submaximal exercise fat oxidation,and endurance capacity as effectively as 6 sessions of HIIT over 2 weeks(single HIIT(HIIT-S),n=13).Methods:Each training session consisted of 10×60 s of cycling at 100%of VO_(2max)interspersed with 75 s of low-intensity cycling at 60 watt(W).Pre-and post-training assessments included VO_(2max),time to exhaustion at-80%of VO_(2max),and 60-min cycling trials at-67%of VO_(2max).Results:Similar increases(p0.05)and endurance capacity(HIIT-D:80.1%***-S:79.2%,p>0.05)were *** exercise carbohydrate oxidation was reduced in the 2 groups after exercise training(HIIT-D:9.2%,p=0.014 ***-S:18.8%,p=0.012)while submaximal exercise fat oxidation was significantly increased in HIIT-D(15.5%,p=0.048)but not in HIIT-S(9.3%,p=0.290).Conclusion:Six HIIT sessions over 5 days was as effective in increasing VO_(2max)and endurance capacity and was more effective in improving submaximal exercise fat oxidation than 6 HIIT sessions over 2 weeks.

关键词： Double interval training Exercise metabolism Performance Substrate oxidation

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A cross-sectional study of post-COVID syndrome at a tertiary care center in Turkey

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Asian Pacific Journal of Tropical Medicine 2022年第9期15卷 410-417页

作者： Efraim guzel Oya Baydar Toprak Burak Mete yasemin Saygıdeger Bengu Curuk Sedat Kuleci Cukurova University Faculty of MedicineDepartment of Chest DiseasesAdanaTurkey Cukurova University Faculty of MedicineDepartment of Public HealthAdanaTurkey

Objective:To investigate long-term symptoms after acute COVID-19,the link between symptoms and respiratory function,radiological changes in the post-COVID period,and risk factors for post-COVID ***:In this cross-sectional study,123 participants who were admitted within the first 3 months were categorized as group 1,and those who applied after 3 months were categorized as group *** to thoracic imaging and pulmonary function tests,patients were split into 3 groups as mild,moderate and ***:At least one symptom was present in 91.9%and 61.8%in acute and post-COVID period,*** function tests were normal in 60(70.6%)in the first three months,and 30(78.9%)in 91-days to 1-year period after acute COVID-19 *** 3 months,22.4%of chest X-rays and 7.9%of computerized tomography revealed *** who developed acute complications(OR 9.91,95%CI 1.93-50.87),had 2 or more symptoms at admission(OR 7.73,95%CI 2.56-23.33),had 1%to 14%CT involvement(OR 3.05,95%CI 1.06-8.79),or had 50%or more CT involvement(OR 14.68,95%CI 1.24-172.55)had a higher risk of developing post-COVID ***:COVID-19 symptoms can last for long *** of symptoms,acute complications,and the extent of radiological involvement may all contribute to elevated risk of post-COVID *** a result,patients with COVID-19 should be checked for long-term clinical difficulties on regular basis.

关键词： Post-COVID syndrome COVID-19 Symptoms Pulmonary function tests Risk factors

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