Browsing NTNU Open by Author "Noordhof, Dionne"
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The aerobic and anaerobic contribution during repeated 30-s sprints in elite cyclists.
Almquist, Nicki Winfield; Sandbakk, Øyvind; Rønnestad, Bent R.; Noordhof, Dionne (Journal article; Peer reviewed, 2021)Although the ability to sprint repeatedly is crucial in road cycling races, the changes in aerobic and anaerobic power when sprinting during prolonged cycling has not been investigated in competitive elite cyclists. Here, ... -
The Anaerobic Capacity of Cross-Country Skiers: The Effect of Computational Method and Skiing Sub-technique
Andersson, Erik; Noordhof, Dionne; Nestor, Lögdal (Peer reviewed; Journal article, 2020)Anaerobic capacity is an important performance-determining variable of sprint cross-country skiing. Nevertheless, to date, no study has directly compared the anaerobic capacity, determined using the maximal accumulated ... -
Changes in vertical COM position and sagittal joint angles in prolonged Double Poling
Lilaas, Håvard (Master thesis, 2021)Summary in Norwegian Introduksjon: Staking er regnet som den raskeste delteknikken i morderne, klassisk langrenn. Avstanden i konkurranse er varierende og kan være mellom 1-50 km i FIS World Cup til 40-90 km i Visma Ski ... -
Cycling at Altitude: Lower Absolute Power Output as the Main Cause of Lower Gross Efficiency
van Erck, Dennis; Wenker, Eric J.; Levels, Koen; Foster, Carl; De Koning, Jos J.; Noordhof, Dionne (Peer reviewed; Journal article, 2019)Background: Although cyclists often compete at altitude, the effect of altitude on gross efficiency (GE) remains inconclusive. Purpose: To investigate the effect of altitude on GE at the same relative exercise intensity ... -
The dynamics of the anaerobic energy contribution during a simulated mass-start competition while roller-ski skating on a treadmill.
Noordhof, Dionne; Danielsson, Marius Lyng; Skovereng, Knut; Danielsen, Jørgen; Seeberg, Trine Margrethe; Haugnes, Pål; Kocbach, Jan; Ettema, Gertjan; Sandbakk, Øyvind (Journal article; Peer reviewed, 2021)The purposes of this study were: 1) to investigate the anaerobic energy contribution during a simulated cross-country (XC) skiing mass-start competition while roller-ski skating on a treadmill; 2) to investigate the ... -
Effect of Carbohydrate Content in a Pre-Event Meal on Endurance Capacity, Maximal Oxygen Uptake, Lactate Threshold, and Work Economy: a randomized controlled crossover-trial
Aandahl, Mats Holst (Master thesis, 2020)Bakgrunn: Eksogen karbohydrat (CHO) før trening påvirker metabolismen og fører til en forskyvning i valg av drivstoff under trening. Denne forskyvningen kan påvirke utholdenhetskapasiteten, energikostnaden av arbeid og ... -
Effect of carbohydrate content in a pre-event meal on endurance performance and performance-determining factors: a randomize-controlled trial.
Aandahl, Mats; Noordhof, Dionne; Tjønna, Arnt Erik; Sandbakk, Øyvind (Journal article; Peer reviewed, 2021) -
Effect of Menstrual Cycle Phase on Exercise-Induced Muscle Damage
Lund, Amund Thomassen; Kristensen, Lasse Dale; Nordengen, Liv Landmark (Bachelor thesis, 2021)Bakgrunn: Trening kan resultere i muskelskade, kjent som exercise-induced muscle damage(EIMD). Det er foreløpig uklart om kjønnshormonsvingninger i løpet av menstruasjonssyklusen (MC) påvirker EIMD. Formålet med denne ... -
Indian Endurance Athletes' Menstrual Cycle: Practices, Knowledge, Communication, Health, and Changes in Perceptions Across the Phases
Majumder, Tanugatri; de Martin Topranin, Virginia; Sandbakk, Øyvind; Noordhof, Dionne (Journal article; Peer reviewed, 2022)Purpose: To describe menstrual cycle (MC)-related practices, knowledge, communication, and health in Indian endurance athletes and to investigate the changes in their perception of sleep quality, readiness to train, training ... -
The influence of race tactics for performance in the heats of an international sprint cross-country skiing competition
Haugnes, Pål; Kocbach, Jan; Kjøsen Talsnes, Rune; Noordhof, Dionne; Ettema, Gertjan; Sandbakk, Øyvind (Peer reviewed; Journal article, 2022)The purpose of this study was to examine the influence of race tactics for performance in the heats of an international sprint cross-country (XC) skiing competition in the classical style. Thirty elite male XC skiers (age: ... -
Peak Age and Relative Performance Progression in International Cross-Country Skiers
Walther, Jacob; Mulder, Roy; Noordhof, Dionne; Haugen, Thomas André; Sandbakk, Øyvind (Journal article; Peer reviewed, 2021) -
Performance-determining variables in long-distance events: should they be determined from a rested state or after prolonged submaximal exercise?
Noordhof, Dionne; Øfsteng, Sjur J.; Nirenberg, Linnea; Hammarström, Daniel; Hansen, Joar; Rønnestad, Bent R.; Sandbakk, Øyvind (Peer reviewed; Journal article, 2020)Performance-determining variables are usually measured from a rested state and not after prolonged exercise, specific to when athletes compete for the win in long-distance events. Purpose: (1) To compare cross-country ... -
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 ... -
Prevalence and Self-Perceived Experiences With the Use of Hormonal Contraceptives Among Competitive Female Cross-Country Skiers and Biathletes in Norway: The FENDURA Project
Engseth, Tina Pettersen; Andersson, Erik P; Solli, Guro Strøm; Morseth, Bente; Thomassen, Tor Oskar; Noordhof, Dionne; Sandbakk, Øyvind; Welde, Boye (Peer reviewed; Journal article, 2022)Purpose: To investigate the prevalence of hormonal contraceptive (HC) use by female cross-country (XC) skiers and biathletes competing at a national and/or international level, their reasons for HC use, and to compare ... -
Prolonged double poling in cross-country skiing: How does it affect performance and performance-determining variables?
Veltun, Sindre Brekke (Master thesis, 2021)Prestasjons-bestemmende variable blir normalt målt fra utvilt tilstand, noe som kan avvike fra utmattet tilstand, som på slutten av en konkurranse i langløp på ski. Hensikt: Å undersøke hvordan prestasjonen reduseres under ... -
Sprinting for the win in cross-country skiing: Pacing strategy, race tactics, and the finish sprint
Haugnes, Pål (Doctoral theses at NTNU;2023:235, Doctoral thesis, 2023)Sprint cross-country (XC) skiing involves whole-body exercise on varying terrain using different sub-techniques of the classical and skating styles. The competition involves one to four ~3 min races, where the qualifying ... -
The dynamics of aerobic and anaerobic energy contribution during a simulated cross-country skiing mass-start competition
Danielsson, Marius Lyng (Master thesis, 2020)Bakgrunn: Langrenns-konkurranser er gjennomført i kupert terreng som aktivt fremprovoserer endringer i energikostnaden. Flere studier har tidligere forsket på energisystembidraget i langrenn sprintkonkurranser. Derimot har ... -
The Effect of Ambient Temperature on Exercise Metabolism and Gross Efficiency
Vik, Marte; Grøndalen, Karen Helene (Bachelor thesis, 2021)ABSTRAKT Formål: Ta påvirker prestasjon, og det er motstridene funn på endringer i metabolisme og GE/løpsøkonomi i ulike temperaturer. Det er sannsynlig at endringer i substratutnyttelse og treningsmetabolisme påvirker ... -
The Effect of Menstrual Cycle Phase on Post-Exercise Blood Recovery Variables in Physically Active Women
Rauan, Anders; Vig, Mathilde (Bachelor thesis, 2023)Bakgrunn: Menstruasjonssyklusen (MC) er en stor del av den kvinnelige kroppen. Det er usikkert om MC kan påvirke idrettsrelaterte faktorer som trening, restitusjon og prestasjon. En indirekte markør for muskelskade er ...