Browsing NTNU Open by Author "Almquist, Nicki Winfield"
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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, ... -
Determinants and reference values for blood volume and total hemoglobin mass in women and men
Oberholzer, Laura; Montero, David; Robach, Paul; Siebenmann, Christoph; Ryrsøe, Camilla Koch; Bonne, Thomas C.; Breenfeldt Andersen, Andreas; Bejder, Jacob; Karlsen, Trine; Edvardsen, Elisabeth; Rønnestad, Bent; Hamarsland, Håvard; Cepeda-Lopez, Ana C.; Rittweger, Jörn; Treff, Gunnar; Ahlgrim, Christoph; Almquist, Nicki Winfield; Hallén, Jostein; Lundby, Carsten (Peer reviewed; Journal article, 2023)Blood volume (BV) is an important clinical parameter and is usually reported per kg of body mass (BM). When fat mass is elevated, this underestimates BV/BM. One aim was to study if differences in BV/BM related to sex, age, ... -
Effects of including sprints during prolonged cycling on hormonal and muscular responses and recovery in elite cyclists
Almquist, Nicki Winfield; Ellefsen, Stian; Sandbakk, Øyvind; Rønnestad, Bent (Peer reviewed; Journal article, 2020)This study investigated the acute effects of including 30‐second sprints during prolonged low‐intensity cycling on muscular and hormonal responses and recovery in elite cyclists. Twelve male cyclists (VO2max, 73.4 ± 4.0 ... -
Effects of including sprints in LIT sessions during a 14-d camp on muscle biology and performance measures in elite cyclists
Almquist, Nicki Winfield; Wilhelmsen, Malene; Ellefsen, Stian; Sandbakk, Øyvind; Rønnestad, Bent (Journal article, 2021)Purpose This study investigated the effects of including sprints within low-intensity training (LIT) sessions during a 14-d training camp focusing on LIT, followed by 10-d recovery (Rec), on performance and performance-related ... -
Effects of Including Sprints in One Weekly Low-Intensity Training Session During the Transition Period of Elite Cyclists
Almquist, Nicki Winfield; Løvlien, Ine; Byrkjedal, Per Thomas; Spencer, Matthew; Kristoffersen, Morten; Skovereng, Knut; Sandbakk, Øyvind; Rønnestad, Bent (Peer reviewed; Journal article, 2020)The purpose of this study was to investigate the effects of including 30-s sprints in one weekly low-intensity training (LIT) session during a 3-week transition period in elite cyclists. Sixteen male elite cyclists (maximal ... -
The inclusion of sprints in low-intensity sessions during the transition period of elite cyclists improves endurance performance 6 weeks into the subsequent preparatory period
Taylor, Madison; Almquist, Nicki Winfield; Rønnestad, Bent; Tjønna, Arnt Erik; Kristoffersen, Morten; Spencer, Matthew; Sandbakk, Øyvind; Skovereng, Knut (Journal article; Peer reviewed, 2021)Purpose: To investigate the effects of including repeated sprints in a weekly low-intensity (LIT) session during a 3-week transition period on cycling performance 6 weeks into the subsequent preparatory period (PREP) in ... -
No Differences Between 12 Weeks of Block- vs. Traditional-Periodized Training in Performance Adaptations in Trained Cyclists
Almquist, Nicki Winfield; Eriksen, Hanne Berg; Wilhelmsen, Malene; Hamarsland, Håvard; Ing, Steven; Ellefsen, Stian; Sandbakk, Øyvind; Rønnestad, Bent; Skovereng, Knut (Peer reviewed; Journal article, 2022)The purpose of this study was to compare the effects of 12 weeks load-matched block periodization (BP, n = 14), using weekly concentration of high- (HIT), moderate- (MIT), and low- (LIT) intensity training, with traditional ... -
Optimising endurance training of elite cyclists by inclusion of sprints during low-intensity sessions
Almquist, Nicki Winfield (Doctoral theses at NTNU;2020:402, Doctoral thesis, 2020) -
Performance-Related Physiological and Haematological Changes During Pregnancy and Postpartum in a Well-Trained Cyclist Performing Endurance Training
Almquist, Nicki Winfield; Sandbakk, Øyvind Bucher; Solli, Guro Strøm (Peer reviewed; Journal article, 2022)Purpose: To describe the performance-related physiological and haematological changes in a well-trained cyclist (peak oxygen uptake, VO2peak: 54.9 ml min−1·kg−1) performing endurance training during pregnancy and ... -
The Effect of 30-Second Sprints During Prolonged Exercise on Gross Efficiency, Electromyography, and Pedaling Technique in Elite Cyclists
Almquist, Nicki Winfield; Ettema, Gertjan; Hopker, James; Sandbakk, Øyvind; Rønnestad, Bent (Journal article; Peer reviewed, 2019)Background: Cycling competitions are often of long duration and include repeated high-intensity efforts. Purpose: To investigate the effect of repeated maximal sprints during 4 hours of low-intensity cycling on gross ...