Browsing NTNU Open by Author "Ellefsen, Stian"
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Analysis of Drifting for a Remotely Controlled Car
Ellefsen, Stian (Master thesis, 2012)AbstractBy restricting a vehicle to the linear region of operation, with a small sideslip angle, a vehiclecannot achieve its full potential. By entering the nonlinear region of operation tightercorners can be achieved and ... -
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 ... -
Factors Influencing Running Velocity at Lactate Threshold in Male and Female Runners at Different Levels of Performance
Støa, Eva Maria; Helgerud, Jan; Rønnestad, Bent; Hansen, Joar; Ellefsen, Stian; Støren, Øyvind (Peer reviewed; Journal article, 2020)Background: The primary aim was to examine the relationship between lactate threshold (LT) expressed as percentage of maximal oxygen uptake (VO2max) and running velocity at LT (LTV). A secondary aim was to investigate to ... -
The Kynurenine Pathway in Healthy Subjects and Subjects with Obesity, Depression and Chronic Obstructive Pulmonary Disease
Farup, Per Grønaas; Hamarsland, Håvard; Mølmen, Knut Sindre; Ellefsen, Stian; Hestad, Knut (Journal article; Peer reviewed, 2023)Background: Changes in tryptophan metabolism through the kynurenine pathway (KP) are observed in several disorders and coupled with pathophysiological deviations. Methods: This study retrospectively compared the KP in serum ... -
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) -
Styrketrening ved kronisk obstruktiv lungesykdom: Erfaringer fra The Granheim COPD Study. En kvalitativ analyse av motivasjonsfaktorer.
Mølmen, Knut Sindre; Jovanovic, Maja; Berg, Geir Vegard; Ellefsen, Stian; Grindaker, Eirik (Journal article; Peer reviewed, 2021)Bakgrunn: Regelmessig styrketrening gir gunstige helseeffekter for personer med kronisk obstruktiv lungesykdom (KOLS), og er derfor en naturlig del av lungerehabiliteringen. Pasienters opplevelse av slik trening er imidlertid ...