• Bone health in Norwegian female elite runners: A cross-sectional, controlled study 

      Kyte, Karoline Holsen; Haakstad, Lene Annette Hagen; Hisdal, Jonny; Sunde, Andrine; Stensrud, Trine (Peer reviewed; Journal article, 2023)
      Objective: The primary objective was to compare bone mineral density (BMD) in Norwegian female elite long-distance runners with a control group of inactive females. Secondary objectives were to identify cases of low BMD, ...
    • Core temperature in triathletes during swimming with wetsuit in 10 °C cold water 

      Melau, Jørgen; Mathiassen, Maria; Stensrud, Trine; Tipton, Mike; Hisdal, Jonny (Peer reviewed; Journal article, 2019)
      Low water temperature (<15 °C) has been faced by many organizers of triathlons and swim-runs in the northern part of Europe during recent years. More knowledge about how cold water affects athletes swimming in wetsuits in ...
    • Does cold-water endurance swimming affect pulmonary function in healthy adults? 

      Illidi, Camilla Rønn; Stang, Julie; Melau, Jørgen; Hisdal, Jonny; Stensrud, Trine (Peer reviewed; Journal article, 2021)
      Abstract: The acute effects of cold-water endurance swimming on the respiratory system have received little attention. We investigated pulmonary responses to cold-water endurance swimming in healthy recreational triathletes. ...
    • Effect of a Low-Carbohydrate High-Fat Diet and a Single Bout of Exercise on Glucose Tolerance, Lipid Profile and Endothelial Function in Normal Weight Young Healthy Females 

      Valsdottir, Thorhildur; Henriksen, Christine; Odden, Nancy; Nellemann, Birgitte; Jeppesen, Per Bendix; Hisdal, Jonny; Westerberg, Ane Cecilie; Jensen, Jørgen (Peer reviewed; Journal article, 2019)
      Low-carbohydrate-high-fat (LCHF) diets are efficient for weight loss, and are also used by healthy people to maintain bodyweight. The main aim of this study was to investigate the effect of 3-week energy-balanced LCHF-diet, ...
    • Lung function and oxygen saturation after participation in Norseman Xtreme Triathlon 

      Stensrud, Trine; Rossvoll, Øyvind; Mathiassen, Maria; Melau, Jørgen; Illidi, Camilla Rønn; Østgaard, Hege Nymo; Hisdal, Jonny; Stang, Julie (Peer reviewed; Journal article, 2020)
      Objectives: To examine evidence of exercise-induced bronchoconstriction (EIB) defined as ≥10% reduction in forced expiratory volume in one second (FEV1 ) and exercise-induced arterial hypoxemia (EIAH) defined as ≥4% reduction ...
    • Prevalence of asthma among Norwegian elite athletes 

      Melsom, Helene Støle; Randa, Anders; Hisdal, Jonny; Stensrud, Trine; Stang, Julie Sørbø (Peer reviewed; Journal article, 2022)
      Objective: Asthma is a common problem among elite athletes and represents a health risk interfering with the athlete’s performance status. This study aimed to evaluate the asthma prevalence among Norwegian summer and winter ...
    • Vascular function in Norwegian female elite runners: A cross-sectional, controlled study 

      Kyte, Karoline Holsen; Stensrud, Trine; Berg, Tore Julsrud; Seljeflot, Ingebjørg; Hisdal, Jonny (Peer reviewed; Journal article, 2022)
      In general, aerobic exercise has a positive impact on the vascular system, but the syndrome of relative energy-deficiency in sports (RED-S) makes this impact less clear for the athlete. The present cross-sectional controlled ...