Training session intensity affects plasma redox status in amateur rhythmic gymnasts

作     者：Marianna Bellafiore Antonino Bianco Giuseppe Battaglia Maria Silvia Naccari Giovanni Caramazza Johnny Padulo Karim Chamari Antonio Paoli Antonio Palma 

作者机构：Sport and Exercise Sciences Research UnitUniversity of PalermoPalermo 90144Italy University"eCampus"Novedrate 22060Italy Faculty of KinesiologyUniversity of SplitSplit 21000Croatia Athlete Health and Performance Research CentreASPETARQatar Orthopaedic and Sports Medicine HospitalDoha 29222Qatar Department of Biomedical Sciences(DSB)University of PadovaPadova 35131Italy 

出 版 物：《Journal of Sport and Health Science》 (运动与健康科学（英文）)

年 卷 期：2019年第8卷第6期

页      面：561-566页

核心收录：

学科分类：0403[教育学-体育学] 04[教育学] 

基　　金：supported by the University of Palermo (FFR 2012-13) 

主　　题：Antioxidant capacity Exercise physiology Free radicals Oxidative stress Reactive oxygen species Rhythmic gymnastics Training intensity 

摘      要：Purpose:The aim of this study was to examine systemic responses of oxidant/antioxidant status following 2 training sessions of different intensity in amateur rhythmic ***:Before the experimental training,10 female gymnasts performed a gradually increased exercise test to assess maximal heart rate,maximal oxygen consumption,and anaerobic *** executed 2 intermittent training sessions separated by 48 h of recovery(48 h-post R):the first was performed at low-moderate intensity(LMI)and the second at high intensity(HI).Blood samples were collected immediately preand post-training and 48 h-post *** level(OxL)and total antioxidant capacity(TAC)were photometrically ***:OxL was significantly higher in post-training and 48 h-post R following HI than the same conditions after an LMI session(HI *** post-training:381.10±46.17(mean±SD)vs.344.18±27.94 Units Carratelli(***);48 h-post R:412.21±26.61 vs.373.80±36.08 ***).There was no change in TAC between the 2 training sessions *** LMI training,OxL significantly decreased in post-training and increased to reach the baseline at 48 h-post R,whereas TAC increased only at 48 h-post *** HI training,OxL significantly increased to reach a high oxidative stress 48 h-post R,whereas TAC was lower in post-training than ***:The pattern of OxL and TAC levels implies different regulation mechanisms by HI and LMI training *** oxidative stress induced by an HI protocol might be associated with both insufficient TAC and recovery time at 48 h necessary to restore redox balance.