Blar i Brage NIH på forfatter "Jonvik, Kristin Lundanes"
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The association between gastrointestinal injury, complaints, and food intake in 60-km ultramarathon runners
van Venrooij, Niek F.J.; Wardenaar, Floris C.; Hoogervorst, Daan; Senden, Joan M.G.; van Dijk, Jan-Willem; Jonvik, Kristin Lundanes (Peer reviewed; Journal article, 2022)We aimed to assess the association between gastrointestinal (GI) injury, complaints, and food intake in 60-km ultramarathon runners. Thirty-three ultramarathon runners provided pre- and post-race blood samples for assessment ... -
Dietary inorganic nitrate as an ergogenic aid: An expert consensus derived via the modified Delphi technique
Shannon, Oliver M.; Allen, Jason D.; Bescos, Raul; Burke, Louise; Clifford, Tom; Easton, Chris; Gonzalez, Javier T.; Jones, Andrew M.; Jonvik, Kristin Lundanes; Larsen, Filip J.; Peeling, Peter; Piknova, Barbora; Siervo, Mario; Vanhatalo, Anni; McGawley, Kerry; Porcelli, Simone (Peer reviewed; Journal article, 2022)Introduction: Dietary inorganic nitrate is a popular nutritional supplement, which increases nitric oxide bioavailability and may improve exercise performance. Despite over a decade of research into the effects of dietary ... -
Dietary Nitrate and Nitric Oxide Metabolism Mouth, Circulation, Skeletal Muscle, and Exercise Performance
Jones, Andrew M.; Vanhatalo, Anni; Seals, Douglas R.; Rossman, Matthew J.; Piknova, Barbora; Jonvik, Kristin Lundanes (Peer reviewed; Journal article, 2020)Nitric oxide (NO) is a gaseous signaling molecule that plays an important role in myriad physiological processes including the regulation of vascular tone, neurotransmission, mitochondrial respiration and skeletal muscle ... -
How do we assess energy availability and RED-S risk factors in para athletes?
Jonvik, Kristin Lundanes; Vardardottir, Birna; Broad, Elizabeth (Peer reviewed; Journal article, 2022)Low energy availability (LEA) is considered to be the underlying cause of a number of maladaptations in athletes, including impaired physiological function, low bone mineral density (BMD), and hormonal dysfunction. This ... -
New opportunities to advance the field of sports nutrition
Jonvik, Kristin Lundanes; King, Michelle; Rollo, Ian; Stellingwerff, Trent; Pitsiladis, Yannis (Peer reviewed; Journal article, 2022)Sports nutrition is a relatively new discipline; with ~100 published papers/year in the 1990s to ~3,500+ papers/year today. Historically, sports nutrition research was primarily initiated by university-based exercise ...