Wouter Peeters
@peeters_wouter
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Lecturer at Newcastle University, School of Biomedical, Nutritional and Sport Sciences. Practice what you preach.
Newcastle upon Tyne, UK
Joined October 2011
What is a cycling race simulation anyway: a review on protocols to assess durability in cycling | European Journal of Applied Physiology.
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Take home: i) develop better protocols, ii) use exercise domains but iii) work or distance-matched vs. time-matched (racing = distance = ~work) iv) use real-world zone distribution v) test-retest vi) race virtually?.
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Results: "outdated" exercise intensity anchoring (%VO2m/%PPO), mixed, but mostly adequate CHO-feeding, poor attention towards reliability/reproducibility and justification to be used as protocol for future trials.
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Criteria: at least 90-min pre-load w/ variable intensity followed by performance test. Outcomes: i) exercise intensity anchoring ii) CHO-feeding strategies iii) reliability + justification.👇.48 articles - 30 unique protocols (if missed any - reply).
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Stochastic vs. fixed differentially influences perf. (Palmer 1997, Leo 2022) - possibly due to time spent in diff. intensity domains. So, variable-intensity protocols have ⬆️ ecological validity. 👇 paper provides an overview of "race-sim" protocols🚴♂️.
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📢New: - Scoping laboratory-based cycling race simulation protocols - w/ @timpodlogar. Durability=🔥 + influences performance. Fixed-intensity protocols are good for understanding phys mechs and useful for 🏃 perf but 🚴♂️races = variable intensity.
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If researchers are planning for a home-based cycling intervention study (large pool of potential participants and more rapid data collection vs lab-based) understanding habits can improve methods design to maximise adherence.
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We evaluated people's self reported habits when using home-based indoor cycling, which has increased in popularity in cycling and triathlon communities over the last decade. Reasons why, equipment used, Training frequency/intensity and nutrition.
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New in @FrontiersIn with @Adamcuzz, @Owen_Jeffries and Iain Spears @NCLUni_SportSci. Training, environmental and Nutritional practices in indoor cycling: an explorative cross-sectional questionnaire.
frontiersin.org
Indoor cycling at home has grown rapidly in recent years facilitated by advances in technology and gamification. However, there is limited data on individual...
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Apart from the usual sport events going on ATM, a hidden 💎 is #tourdivide. Ultraendurance 🚵♀️race from 🇨🇦 to 🇲🇽. A case study was published earlier this year # dotwatching
physoc.onlinelibrary.wiley.com
The Tour Divide (TD) is a 4385 km ultra-endurance bicycle race that follows the continental divide from Canada to Mexico. In this case study, we performed a comprehensive molecular and physiological...
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RT @DUK_research: Taking part will involve an online survey taking 15-20 minutes. Follow the link for more info about this #diabetes #resea….
diabetes.org.uk
Researchers at Newcastle University would like to recruit people aged over 18, living with type 1 or type 2 diabetes and have been diagnosed for least 2 years, to take part in a study that is...
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A little bit about me featuring in @HNERC_NclUni - think I need an updated profile picture on X.
For this month's @HNERC_NclUni feature we'd like to introduce Dr. Wouter Peeters (who tweets under @peeters_wouter) - a researcher and Lecturer in Sport & Exercise Nutrition
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Y'day @James_Morehen delivered a talk to our student on the Sport Nutrition module about his work @ Bristol Bears and career to provide insights into being a performance nutritionist. Formula for best practitioner = credibility x reliability x intimacy / ego. @NCLUni_SportSci
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New Publication in @the_jissn: effect of pre-exercise protein intake on substrate metabolism, energy expenditure, and energy intake: a dose–response study
tandfonline.com
Pre-exercise protein consumption does not seem to influence substrate metabolism during exercise compared to fasted exercise, however it is unclear if the protein dose impacts on this effect.In a r...
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8/8 it’s nearly 4 years since I passed my viva. Not sure if this is an exception to the rule or not butlet's call it valuable experience.
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7/n Personally, this PhD project was quite the experience, covering the entire spectrum of emotions: from extreme excitement, happiness and privilege to live in and experience New Zealand for 3.5 years to extreme frustration and despair due to ongoing delays on public IP.
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6/n picture that couldn't confirm our hypothesis on the mechanisms of action. Way more research needed to confirm these pilot findings, but if findings are replicated it has a lot of potential as it’s a renewable/sustainable and animal-friendly source of protein via shearing.
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5/n We found some evidence for a mod. ⬆️ in insulin sensitivity in KDPWHEY vs. WHEY and CON and mechanisms related to glucose uptake in the muscle (microvascular blood flow and GLUT4 translocation). However an array of skeletal redox proteins we measured provided a more blurred.
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4/n In this first-of-a-kind pilot, people with T2D either received a non-protein control, whey or a mix of the keratin and whey protein for 14 week in addition to daily exercise (5d/w). Tests used were a hyperinsulinaemic isoglycaemic clamp, muscle biopsies and NIRS a.o.
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3/n The amino acid composition of this keratin protein is high in cys and gly, which are main components of glutathione - a prominent antioxidant in the body but lowered in T2D - and arg (NO-pathway) for microvascular function also impaired in T2D.
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