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Johannes Tjønnås

Senior Research Scientist

Johannes Tjønnås

Senior Research Scientist

Johannes Tjønnås
Phone: +47 408 25 940
Email:
Department: Mathematics and Cybernetics
Office: Trondheim

Publications and responsibilities

Publication
https://www.sintef.no/en/publications/publication/?pubid=1534305

The automatic classification of sub-techniques in classical cross-country skiing provides unique possibilities for analyzing the biomechanical aspects of outdoor skiing. This is currently possible due to the miniaturization and flexibility of wearable inertial measurement units (IMUs) that allow res...

Authors Ole Marius Hoel Rindal Trine Margrethe Seeberg Johannes Tjønnås Pål Haugnes Øyvind Sandbakk
Year 2018
Type Academic article
Publication
https://www.sintef.no/en/publications/publication/?pubid=1587460

Norwegian cross-country skiing is applying science to analyse how its elite athletes exploit their strengths during training and competition. The aims of this sensor-based research are to give skiers valuable advice about training and help them find the perfect pair of skis....

Authors Trine Margrethe Seeberg Øyvind Sandbakk Johannes Tjønnås Ole Marius Hoel Rindal Christina Benjaminsen
Year 2018
Type Interview
Publication
https://www.sintef.no/en/publications/publication/?pubid=1584865

Norsk langrennssport går vitenskapelig til verks for å analysere hvordan våre gullhåp utnytter kreftene sine når de går på ski. Sensorbasert forskning skal gi løperne verdifulle treningstips og hjelpe dem med å finne det helt perfekte skipar....

Authors Christina Benjaminsen Trine Margrethe Seeberg Øyvind Sandbakk Johannes Tjønnås Ole Marius Hoel Rindal
Year 2018
Type Popular scientific article
Publication
https://www.sintef.no/en/publications/publication/?pubid=1647019

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. Methods Six male and six female elite XC skiers with an approximately 15...

Authors Guro Strøm Solli Jan Kocbach Trine Margrethe Seeberg Johannes Tjønnås Ole Marius Hoel Rindal Pål Haugnes Per Øyvind Torvik Øyvind Sandbakk
Year 2018
Type Academic article
Publication
https://www.sintef.no/en/publications/publication/?pubid=1509438

Commercial systems utilizing data from inertial measurement units (IMUs) to analyse movement patterns have not yet been adapted to monitor daily training in cross-country (XC) skiing. The main purposes of this study are to investigate: (1) the feasibility and potential of a multi-sensor system consi...

Authors Trine Margrethe Seeberg Johannes Tjønnås Ole Marius Hoel Rindal Pål Haugnes Steffen Harald Dalgard Øyvind Sandbakk
Year 2017
Type Academic article