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Seasonal Oxy-Inflammation and Hydration Status in Non-Elite Freeskiing Racer: A Pilot Study by Non-Invasive Analytic Method

Author

Listed:
  • Andrea Brizzolari

    (Environmental Physiology and Medicine Laboratory, Department of Biomedical Sciences, University of Padova, 35131 Padova, Italy
    DAN Europe Research Division, 64026 Roseto degli Abruzzi, Italy)

  • Gerardo Bosco

    (Environmental Physiology and Medicine Laboratory, Department of Biomedical Sciences, University of Padova, 35131 Padova, Italy)

  • Alessandra Vezzoli

    (Institute of Clinical Physiology, National Research Council (IFC-CNR), Piazza dell’Ospedale Maggiore, 3, 20162 Milan, Italy)

  • Cinzia Dellanoce

    (Institute of Clinical Physiology, National Research Council (IFC-CNR), Piazza dell’Ospedale Maggiore, 3, 20162 Milan, Italy)

  • Alessandra Barassi

    (Department of Health Sciences, Università degli Studi of Milan, 20142 Milan, Italy)

  • Matteo Paganini

    (Environmental Physiology and Medicine Laboratory, Department of Biomedical Sciences, University of Padova, 35131 Padova, Italy)

  • Danilo Cialoni

    (Environmental Physiology and Medicine Laboratory, Department of Biomedical Sciences, University of Padova, 35131 Padova, Italy
    DAN Europe Research Division, 64026 Roseto degli Abruzzi, Italy)

  • Simona Mrakic-Sposta

    (Institute of Clinical Physiology, National Research Council (IFC-CNR), Piazza dell’Ospedale Maggiore, 3, 20162 Milan, Italy)

Abstract

Freeskiing is performed in an extreme environment, with significant physical effort that can induce reactive oxygen species (ROS) generation and dehydration. This study aimed to investigate the evolution of the oxy-inflammation and hydration status during a freeskiing training season with non-invasive methods. Eight trained freeskiers were investigated during a season training: T0 (beginning), T1-T3 (training sessions), and T4 (after the end). Urine and saliva were collected at T0, before (A) and after (B) T1-T3, and at T4. ROS, total antioxidant capacity (TAC), interleukin-6 (IL-6), nitric oxide (NO) derivatives, neopterin, and electrolyte balance changes were investigated. We found significant increases in ROS generation (T1A-B +71%; T2A-B +65%; T3A-B +49%; p < 0.05–0.01) and IL-6 (T2A-B +112%; T3A-B +133%; p < 0.01). We did not observe significant variation of TAC and NOx after training sessions. Furthermore, ROS and IL-6 showed statistically significant differences between T0 and T4 (ROS +48%, IL-6 +86%; p < 0.05). Freeskiing induced an increase in ROS production, which can be contained by antioxidant defense activation, and in IL-6, as a consequence of physical activity and skeletal muscular contraction. We did not find deep changes in electrolytes balance, likely because all freeskiers were well-trained and very experienced.

Suggested Citation

  • Andrea Brizzolari & Gerardo Bosco & Alessandra Vezzoli & Cinzia Dellanoce & Alessandra Barassi & Matteo Paganini & Danilo Cialoni & Simona Mrakic-Sposta, 2023. "Seasonal Oxy-Inflammation and Hydration Status in Non-Elite Freeskiing Racer: A Pilot Study by Non-Invasive Analytic Method," IJERPH, MDPI, vol. 20(4), pages 1-15, February.
    • Handle: RePEc:gam:jijerp:v:20:y:2023:i:4:p:3157-:d:1064834
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    References listed on IDEAS

    as
    1. Simona Mrakic-Sposta & Alessandra Vezzoli & Federica D’Alessandro & Matteo Paganini & Cinzia Dellanoce & Danilo Cialoni & Gerardo Bosco, 2020. "Change in Oxidative Stress Biomarkers During 30 Days in Saturation Dive: A Pilot Study," IJERPH, MDPI, vol. 17(19), pages 1-10, September.
    2. Wajdi Souissi & Mohamed Amine Bouzid & Mohamed Amine Farjallah & Lobna Ben Mahmoud & Mariem Boudaya & Florian A. Engel & Zouheir Sahnoun, 2020. "Effect of Different Running Exercise Modalities on Post-Exercise Oxidative Stress Markers in Trained Athletes," IJERPH, MDPI, vol. 17(10), pages 1-12, May.
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