Blar i Norges idrettshøgskole på emneord "blood volume"

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    • Blood volume expansion does not explain the increase in peak oxygen uptake induced by 10 weeks of endurance training 

      Skattebo, Øyvind; Bjerring, Anders W.; Auensen, Marius; Sarvari, Sebastian; Cumming, Kristoffer Toldnes; Capelli, Carlo; Hallén, Jostein (Peer reviewed; Journal article, 2020)
      Purpose: The endurance training (ET)-induced increases in peak oxygen uptake (V˙O2peak) and cardiac output (Q˙peak) during upright cycling are reversed to pre-ET levels after removing the training-induced increase in blood ...

    • Determinants and reference values for blood volume and total hemoglobin mass in women and men 

      Oberholzer, Laura; Montero, David; Robach, Paul; Siebenmann, Christoph; Ryrsøe, Camilla Koch; Bonne, Thomas C.; Bejder, Jacob; Karlsen, Trine; Edvardsen, Elisabeth; Hamarsland, Håvard; Cepeda-Lopez, Ana C.; Rittweger, Jörn; Treff, Gunnar; Ahlgrim, Christoph; Almquist, Nicki Winfield; Hallén, Jostein; Andersen, Andreas Breenfeldt; Rønnestad, Bent R.; Lundby, Carsten (Peer reviewed; Journal article, 2024-01-01)
      Blood volume (BV) is an important clinical parameter and is usually reported per kg of body mass (BM). When fat mass is elevated, this underestimates BV/BM. One aim was to study if differences in BV/BM related to sex, age, ...

    • Effects of 150- And 450-mL Acute Blood Losses on Maximal Oxygen Uptake and Exercise Capacity 

      Skattebo, Øyvind; Johansen, Espen Spro; Capelli, Carlo; Hallén, Jostein (Peer reviewed; Journal article, 2021)
      Purpose: This study investigated whether maximal oxygen uptake (V˙O2max) and exercise capacity are affected by small acute blood loss (150 mL) and elucidated compensatory mechanisms. Methods: Thirteen male subjects (V˙O2max, ...

    • Individual variations in pre-altitude hemoglobin mass influence hemoglobin mass responses to repeated altitude sojourns 

      Skattebo, Øyvind; Hallén, Jostein (Peer reviewed; Journal article, 2022)
      Introduction: Previous studies have shown variable within-subject hemoglobin mass (Hbmass) responses to altitude training. We investigated whether Hbmass responses depend on individual variations in pre-altitude Hbmass ...