Browsing Norges idrettshøgskole by Journals "Frontiers in Physiology"
Now showing items 1-20 of 36
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A new training assessment method for alpine ski racing: Estimating center of mass trajectory by fusing inertial sensors with periodically available position anchor points
(Journal article; Peer reviewed, 2018)In this study we present and validate a method to correct velocity and position drift for inertial sensor-based measurements in the context of alpine ski racing. Magnets were placed at each gate and their position determined ... -
Altered gastrocnemius contractile behavior in former Achilles tendon rupture patients during walking
(Peer reviewed; Journal article, 2022)Achilles tendon rupture (ATR) remains associated with functional limitations years after injury. Architectural remodeling of the gastrocnemius medialis (GM) muscle is typically observed in the affected leg and may compensate ... -
Analysis of classical time-trial preformance and technique-specific physiological determinants in elite female cross-country skiers
(Journal article; Peer reviewed, 2016-08-03)The present study investigated the contribution of performance on uphill, flat, and downhill sections to overall performance in an international 10-km classical time-trial in elite female cross-country skiers, as well as ... -
Anthropometrical and physiological determinants of laboratory and on-snow performance in competitive adolescent cross-country skiers
(Peer reviewed; Journal article, 2022)Purpose: To explore the anthropometrical and physiological determinants of laboratory and on-snow performance in competitive adolescent cross-country skiers. Methods: Fifty-two adolescent (25 girls) (14.8 ± 0.6 years) ... -
Application of dGNSS in alpine ski racing: Basis for evaluating physical demands and safety
(Journal article; Peer reviewed, 2018)External forces, such as ground reaction force or air drag acting on athletes' bodies in sports, determine the sport-specific demands on athletes' physical fitness. In order to establish appropriate physical conditioning ... -
Circulating small non-coding RNAs as biomarkers for recovery after exhaustive or repetitive exercise
(Journal article; Peer reviewed, 2018)Circulating microRNAs have proven to be reliable biomarkers, due to their high stability, both in vivo in the circulation, and ex vivo during sample preparation and storage. Small nucleolar RNAs (snoRNAs) are a different ... -
The comparative methylome and transcriptome after change of direction compared to straight line running exercise in human skeletal muscle
(Peer reviewed; Journal article, 2021)The methylome and transcriptome signatures following exercise that are physiologically and metabolically relevant to sporting contexts such as team sports or health prescription scenarios (e.g., high intensity interval ... -
Differential effects of one meal per day in the evening on metabolic health and physical performance in lean individuals
(Peer reviewed; Journal article, 2022)Background: Generally, food intake occurs in a three-meal per 24 h fashion with in-between meal snacking. As such, most humans spend more than ∼ 12–16 h per day in the postprandial state. It may be reasoned from an ... -
Effect of a Low-Carbohydrate High-Fat Diet and a Single Bout of Exercise on Glucose Tolerance, Lipid Profile and Endothelial Function in Normal Weight Young Healthy Females
(Peer reviewed; Journal article, 2019)Low-carbohydrate-high-fat (LCHF) diets are efficient for weight loss, and are also used by healthy people to maintain bodyweight. The main aim of this study was to investigate the effect of 3-week energy-balanced LCHF-diet, ... -
Effect of aerobic exercise and low-carbohydrate high-fat diet on glucose tolerance and android/gynoid fat in overweight/obese women: A randomized controlled trial
(Peer reviewed; Journal article, 2023)The study was designed to compare the effects of weight loss induced by a low-carbohydrate-high-fat diet or a normal diet, with and without exercise, on glucose tolerance measured as area under the curve (AUC), and android ... -
Effect of Endurance and Strength Training on the Slow Component of VO2 Kinetics in Elderly Humans
(Journal article; Peer reviewed, 2018)We compared the effects of 8 weeks of high intensity, aerobic interval training (HIT) and isoinertial resistance training (IRT) on: (i) O2 kinetics during heavy (HiEx) intensity exercise and; (ii) work economy during ... -
Effect of exercise training on fat loss—Energetic perspectives and the role of improved adipose tissue function and body fat distribution
(Peer reviewed; Journal article, 2021)In obesity, excessive abdominal fat, especially the accumulation of visceral adipose tissue (VAT), increases the risk of metabolic disorders, such as type 2 diabetes mellitus (T2DM), cardiovascular disease, and non-alcoholic ... -
The Effects of Cold Water Immersion and Active Recovery on Molecular Factors That Regulate Growth and Remodeling of Skeletal Muscle After Resistance Exercise
(Peer reviewed; Journal article, 2020)Regular postexercise cooling attenuates muscle hypertrophy, yet its effects on the key molecular factors that regulate muscle growth and remodeling are not well characterized. In the present study, nine men completed two ... -
Effects of High-Intensity Interval Training and Isoinertial Training on Leg Extensors Muscle Function, Structure, and Intermuscular Adipose Tissue in Older Adults
(Peer reviewed; Journal article, 2019)We compared the effects of aerobic high-intensity training (HIT) and isoinertial resistance training (IRT) on the strength, mass, architecture, intermuscular adipose tissue (IMAT) quality, and neuromuscular activation of ... -
Exercise economy in skiing and running
(Journal article; Peer reviewed, 2014-01-24)Substantial inter-individual variations in exercise economy exist even in highly trained endurance athletes. The variation is believed to be determined partly by intrinsic factors. Therefore, in the present study, we ... -
Exercise induced laryngeal obstructions in humans and equines: A comparative review
(Peer reviewed; Journal article, 2019)Dynamic obstructions of the larynx are a set of disorders that occur during exercise in equines and humans. There are a number of similarities in presentation, diagnosis, pathophysiology and treatment. Both equines and ... -
Exercise intensity and pacing pattern during a cross-country Olympic mountain bike race
(Peer reviewed; Journal article, 2021)Objective: To examine the power profiles and pacing patterns in relation to critical power (CP) and maximal aerobic power (MAP) output during a cross-country Olympic (XCO) mountain bike race. Methods: Five male and two ... -
Exercise intensity during cross-country skiing described by oxygen demands in flat and uphill terrain
(Peer reviewed; Journal article, 2018)Purpose: In this study wearable global navigation satellite system units were used on athletes to investigate pacing patterns by describing exercise intensities in flat and uphill terrain during a simulated cross-country ... -
Exhaustive exercise and post-exercise protein plus carbohydrate supplementation affect plasma and urine concentrations of sulfur amino acids, the ratio of methionine to homocysteine and glutathione in elite male cyclists
(Peer reviewed; Journal article, 2020)Plasma and tissue sulfur amino acid (SAA) availability are crucial for intracellular methylation reactions and cellular antioxidant defense, which are important processes during exercise and in recovery. In this randomized, ... -
Ibuprofen ingestion does not affect markers of post-exercise muscle inflammation
(Journal article; Peer reviewed, 2016-03-29)Purpose: We investigated if oral ingestion of ibuprofen influenced leucocyte recruitment and infiltration following an acute bout of traditional resistance exercise Methods: Sixteen male subjects were divided into two ...