%0 Journal Article %A Gustavo Ponce-Gonzalez, Jesus %A Corral-Perez, Juan %A Saez de Villarreal, Eduardo %A Vicente Gutierrez-Manzanedo, Jose %A De Castro-Maqueda, Guillermo %A Casals, Cristina %T Antioxidants Markers of Professional Soccer Players During the Season and their Relationship with Competitive Performance %D 2021 %@ 1640-5544 %U https://hdl.handle.net/10668/25232 %X The aim of this study was to assess antioxidant markers before and after a mid-season of professional soccer players from the 3rd Spanish Division, and to correlate antioxidant markers with competitive performance. Sixty-five male players (age = 25.3 +/- 4.2 yr, body mass = 73.2 +/- 6.7 kg, body height = 177.8 +/- 5.7 cm) from three soccer clubs from Cadiz (Spain) participated in the study. Body composition, maximal aerobic capacity (VO2max), and baseline antioxidant blood markers (Total Antioxidant Status (TAS) and Reduced glutathione/Oxidized glutathione ratio) were assessed in the first week of the championship season (pre-test) and after 18 weeks in the mid-season (post-test). Soccer performance was registered according to the official classification ranking at both the mid-season and at the end of the season; ranking positions for Team A were 2nd and 1st, for Team B were 5th and 5th, while for Team C were 12th and 14th, respectively. Regression analyses showed that TAS and VO2max were able to independently predict (p %K total antioxidant capacity %K glutathione %K oxidative stress %K elite athletes %K team sports %K Oxidative stress biomarkers %K Muscle damage %K Oxygen-uptake %K Time-course %K Match %K Endurance %K Exercise %K Responses %K Recovery %K Fatigue %~