• Effect of high intensity activity on children’s aerobic power 

      Brøgger, Rein Magnus Jensen; Mathisen, Gunnar; Pettersen, Svein Arne (Journal article; Tidsskriftartikkel; Peer reviewed, 2013)
      Several studies in recent years have reported significant fitness improvements in children after exercise interventions, given sufficient training intensity, frequency and duration. However the knowledge of how fast children respond to exercise is limited and most research protocols are performed on cycle ergometers or other training devices using exercise programs are not applicable for practical ...
    • Physiological Comparisons of Elite Male Visma Ski Classics and National Level Cross-Country Skiers During Uphill Treadmill Roller Skiing 

      Sagelv, Edvard Hamnvik; Engseth, Tina; Pedersen, Sigurd; Pettersen, Svein Arne; Mathisen, Gunnar; Heitmann, Kim Arne; Welde, Boye; Thomassen, Tor Oskar; Stoggl, Thomas Leonhard (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-11-16)
      Longer distance cross-country ski (14–220 km) races such as the Visma Ski Classics (VSC) has recently gained attention in addition to the traditional Olympic distances (5–50 km) associated with cross-country (XC) skiing. These long-distance races are characterized by extensive use of the upper body while double poling (DP). While there is a substantial amount of research on Olympic distance XC skiing, ...