Blar i NTNU Open på forfatter "Kocbach, Jan"
-
Performance - differences in speed profiles and tactical choices in a cross-country skiing mass-start competition
Wolf, Hanna (Master thesis, 2022)The aim of the present study was to compare speed profiles and tactical choices between cross-country skiers on different performance levels in a mass-start cross-country skiing competition by describing the race development ... -
Performance Effects of Video- and Sensor-Based Feedback for Implementing a Terrain-Specific Micropacing Strategy in Cross-Country Skiing
Seeberg, Trine Margrethe; Kocbach, Jan; Talsnes, Rune Kjøsen; Meyer, Frederic; Losnegard, Thomas Johansen; Tjønnås, Johannes; Sandbakk, Øyvind; Solli, Guro Strøm (Peer reviewed; Journal article, 2022)Purpose: To investigate the performance effects of video- and sensor-based feedback for implementing a terrain-specific micropacing strategy in cross-country (XC) skiing. Methods: Following a simulated 10-km skating time ... -
Physiological and Biomechanical Determinants of Sprint Ability Following Variable Intensity Exercise When Roller Ski Skating
Seeberg, Trine Margrethe; Kocbach, Jan; Danielsen, Jørgen; Noordhof, Dionne; Skovereng, Knut; Hatling Haugnes, Pål; Tjønnås, Johannes; Sandbakk, Øyvind Bucher (Peer reviewed; Journal article, 2021)The most common race format in cross-country (XC) skiing is the mass-start event, which is under-explored in the scientific literature. To explore factors important for XC skiing mass-starts, the main purpose of this study ... -
Physiological and Biomechanical Responses to Cross-Country Skiing in Varying Terrain: Low- vs. High-Intensity
Seeberg, Trine Margrethe; Kocbach, Jan; Danielsen, Jørgen; Noordhof, Dionne; Skovereng, Knut; Meyer, Frederic; Sandbakk, Øyvind Bucher (Peer reviewed; Journal article, 2021)The purposes of our study were to investigate the physiological and biomechanical responses to low-intensity (LI) and high-intensity (HI) roller ski skating on varying terrain and compare these responses between training ... -
Power Modeling in Cross-Country Skiing: A Quantitative Approach by Sensitivity Analysis and Monte Carlo Simulation
Magnussen, Gina (Master thesis, 2019)En kvantitativ tilnærming til hvordan variasjoner i input påvirker output ved beregninger av krefter i kraftbalansemodellen i langrenn er presentert i dette studiet. Tre sprintløp og to langdistanseløp, inkludert både ... -
Sex-based differences in speed, sub-technique selection, and kinematic patterns during low- and high-intensity training for classical cross-country skiing
Solli, Guro Strøm; Kocbach, Jan; Seeberg, Trine Margrethe; Tjønnås, Johannes; Rindal, Ole Marius Hoel; Haugnes, Pål; Torvik, Per Øyvind; Sandbakk, Øyvind (Journal article; Peer reviewed, 2018)Objectives We investigated sex-based differences in speed, sub-technique selection, and kinematic patterns during low- (LIT) and high-intensity training (HIT) for classical cross-country (XC) skiing across varying terrain. ... -
Sex-based differences in sub-technique selection during an international classical cross-country skiing competition
Solli, Guro Strøm; Kocbach, Jan; Bucher Sandbakk, Silvana; Haugnes, Pål; Losnegard, Thomas; Sandbakk, Øyvind (Peer reviewed; Journal article, 2020)The purpose of this study was to compare speed, sub-technique selection and temporal patterns between world-class male and female cross-country (XC) skiers and to examine the combined associations of sex and speed on ... -
The Contribution From Cross-Country Skiing and Shooting Variables on Performance Level and Sex Differences in Biathlon World Cup Individual Races
Luchsinger, Harri; Kocbach, Jan; Ettema, Gertjan; Sandbakk, Øyvind (Journal article; Peer reviewed, 2018)Biathlon is an Olympic winter sport that combines rifle shooting and cross-country skiing in various race formats. In the individual distance (15 km for women and 20 km for men), athletes compete over 5 laps of skiing with ... -
The Effect of Maximal Speed Ability, Pacing Strategy, and Technique on the Finish Sprint of a Sprint Cross-Country Skiing Competition
Haugnes, Pål; Torvik, Per Øyvind; Ettema, Gertjan; Kocbach, Jan; Sandbakk, Øyvind (Journal article; Peer reviewed, 2018)Purpose: The aims of this study were to investigate the contribution from maximal speed (Vmax) and %Vmax to the finish-sprint speed obtained in a cross-country (XC) sprint in the classical and skating style, as well as ... -
The Interval-Based Physiological and Mechanical Demands of Cross-Country Ski Training
Haugnes, Pål; Kocbach, Jan; Luchsinger, Harri; Ettema, Gertjan; Sandbakk, Øyvind (Journal article; Peer reviewed, 2019)PURPOSE: To investigate fluctuations in speed, work rate and heart rate (HR) when cross-country (XC) ski skating across varying terrain at different endurance training intensities. METHODS: Seven male Norwegian junior ... -
Tracking Performance in Endurance Racing Sports: Evaluation of the Accuracy Offered by Three Commercial GNSS Receivers Aimed at the Sports Market
Gløersen, Øyvind Nøstdahl; Kocbach, Jan; Gilgien, Matthias (Journal article; Peer reviewed, 2018)Advances in global navigation satellite system (GNSS) technology have resulted in smaller and more accurate GNSS receivers, which have become increasingly suitable for calculating instantaneous performance parameters during ... -
Using Artificial Neural Networks to Model Running Speed in Orienteering
Samuelsen, Øystein Jaren (Master thesis, 2012)This thesis concerns the modeling of running speed in orient-eering by means of multi-layered feed forward artificial neu-ral networks with Backpropagation learning, using GPS tracks of orienteers, an orienteering map and ... -
Validation of temporal parameters within the skating sub-techniques when roller skiing on a treadmill, using inertial measurement units
Meyer, Frederic; Seeberg, Trine Margrethe; Kocbach, Jan; Danielsen, Jørgen; Sandbakk, Øyvind; Austeng, Andreas (Peer reviewed; Journal article, 2022)The aim of this study was to develop and validate a method using inertial measurements units (IMUs) to determine inner-cycle parameters (e.g., cycle, poles and skis contact, and swing time) and the main sub-techniques ...