• Comparison of non-invasive individual monitoring of the training and health of athletes with commercially available wearable technologies 

      Düking, Peter; Hotho, Andreas; Holmberg, Hans-Christer; Sperlich, Billy (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-03-09)
      Athletes adapt their training daily to optimize performance, as well as avoid fatigue, overtraining and other undesirable effects on their health. To optimize training load, each athlete must take his/her own personal objective and subjective characteristics into consideration and an increasing number of wearable technologies (wearables) provide convenient monitoring of various parameters. ...
    • Functional High-Intensity Circuit Training Improves Body Composition, Peak Oxygen Uptake, Strength, and Alters Certain Dimensions of Quality of Life in Overweight Women 

      Sperlich, Billy; Wallmann-Sperlich, Birgit; Zinner, Christoph; Von Stauffenberg, Valerie; Losert, Heidrun; Holmberg, Hans-Christer (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-04-03)
      The effects of circuit-like functional high-intensity training (Circuit<sub>HIIT</sub>) alone or in combination with high-volume low-intensity exercise (Circuit<sub>combined</sub>) on selected cardio-respiratory and metabolic parameters, body composition, functional strength and the quality of life of overweight women were compared. In this single-center, two-armed randomized, controlled study, ...
    • Instant Biofeedback Provided by Wearable Sensor Technology Can Help to Optimize Exercise and Prevent Injury and Overuse 

      Düking, Peter; Holmberg, Hans-Christer; Sperlich, Billy (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-04-03)
      With great interest, we have been following the developing variety and popularity of commercially available wearable sensor technologies, as well as the discussion concerning their usefulness for improving fitness and health (Duking et al., 2016; Halson et al., 2016; Sperlich and Holmberg,2016). Although many of these devices may not necessarily fulfill scientific criteria for quality (Sperlich and ...
    • The pacing strategy and technique of male cross-country skiers With different levels of performance during a 15-km classical race 

      Welde, Boye; Stöggl, Thomas; Mathisen, Gunnar; Supej, Matej; Zoppirolli, Chiara; Winther, Andreas Kjæreng; Pellegrini, Barbara; Holmberg, Hans-Christer (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-11-08)
      In this study the pacing strategy, cycle characteristics and choice of technique of elite male cross-country (XC) skiers during a three-lap, 15-km classical race with interval start were measured. During the Norwegian Championships in 2016, fast (n = 18, age: 26±4 yr; height: 182±4 cm; body mass: 78±3 kg (means±SD)) and slow skiers (n = 18, age: 22±2 yr; height: 183±5 cm; body mass: 78±6 kg) were ...
    • The physiological mechanisms of performance enhancement with sprint interval training differ between the upper and lower extremities in humans 

      Zinner, Christoph; Morales-Alamo, David; Ørtenblad, Niels; Larsen, Filip J; Schiffer, Tomas A; Willis, Sarah J; Gelabert-Rebato, Miriam; Perez-Valera, Mario; Boushel, Robert; Calbet, Jose AL; Holmberg, Hans-Christer (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-09-30)
      To elucidate the mechanisms underlying the differences in adaptation of arm and leg muscles to sprint training, over a period of 11 days 16 untrained men performed six sessions of 4–6 × 30-s all-out sprints (SIT) with the legs and arms, separately, with a 1-h interval of recovery. Limb-specific VO2peak, sprint performance (two 30-s Wingate tests with 4-min recovery), muscle efficiency and ...
    • The Responses of Elite Athletes to Exercise: An All-Day, 24-h Integrative View Is Required! 

      Sperlich, Billy; Holmberg, Hans-Christer (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-08-14)
      The current research topics in Frontiers of Physiology include “Training intensity, volume and recovery distribution among elite and recreational endura nce athletes” (Frontiers in Physiology, 2016) and “Wearable Sensor Technology for Monitoring Training Load and Health in the Athletic Population” (Frontiers in Physiology, 2017). As editors of both of these topics, we would like to share some ...
    • A SWOT Analysis of the Use and Potential Misuse of Implantable Monitoring Devices by Athletes 

      Sperlich, Billy; Düking, Peter; Holmberg, Hans-Christer (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-09-05)
      We have been following the developments and popularity of commercially available wearable sensor technology, as well as the ongoing discussion concerning its usefulness for improving the fitness and health of athletes (Düking et al., 2016, 2017; Sperlich and Holmberg, 2017) with considerable interest. Here, we would like to draw attention to a new generation of implantable devices (implantables) ...