High carbohydrate, low carbohydrate, or periodised carbohydrate intake with Louise Burke, PhD | EP#236

That Triathlon Show

Mikael Eriksson

Health, Swimming, Endurancesports, Run, Cycling, Health & Fitness, Fitness, Ironman, Swim, Bike, Sports, Running, Sportscience, Triathlon

4.9 • 596 Ratings

🗓️ 1 June 2020

⏱️ 54 minutes

🔗️ Recording | iTunes | RSS

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Summary

Professor Louise Burke is Head of Sports Nutrition at the Australian Institute of Sport (AIS). Through her career she has worked both practically with applied nutrition science as well as deep in academia, so she has a great perspective on both ends of the spectrum. In recent years, much of her research has been focused on investigating the effects of low-carbohydrate, high-carbohydrate, and periodised carbohydrate dietary interventions on endurance performance. This research is the topic of today's discussion. IN THIS EPISODE YOU'LL LEARN ABOUT: -The "Supernova" studies - comparing the effects of low-carbohydrate, high-carbohydrate and periodised carbohydrate intake on endurance performance -How quickly does it take to get fat-adapted? -The impact of fat adaptation on fat oxidation and performance -Why a constant high-carbohydrate diet outperformed the more sophisticated periodised carbohydrate diet SHOWNOTES: https://scientifictriathlon.com/tts236/ THAT TRIATHLON SHOW HOMEPAGE: www.thattriathlonshow.com SPONSORS: Precision Hydration - One-size doesn't fit all when it comes to hydration. Take Precision Hydration's FREE sweat test and learn how you should hydrate. Use the discount code THATTRIATHLONSHOW15 to get 15% off your order OR use the code THATTRIATHLONSHOW and get your first box for free. ROKA - The finest triathlon wetsuits, apparel, equipment, and eyewear on the planet. Trusted by Javier Gómez, Gwen Jorgensen, Flora Duffy, Mario Mola, Lucy Charles and others. Visit roka.com/tts for 20% off your order. LINKS AND RESOURCES: Low Carbohydrate, High Fat diet impairs exercise economy and negates the performance benefit from intensified training in elite race walkers Organisation of Dietary Control for Nutrition-Training Intervention Involving Periodized Carbohydrate (CHO) Availability and Ketogenic Low CHO High Fat (LCHF) Diet Contemporary Nutrition Strategies to Optimize Performance in Distance Runners and Race Walkers A Short-Term Ketogenic Diet Impairs Markers of Bone Health in Response to Exercise Louise's profile on ResearchGate Endurance sports nutrition: state of the art in 2019 with prof. John Hawley | EP#181 Nutrition episode archives on That Triathlon Show RATE AND REVIEW: If you enjoy the show, please help me out by subscribing, rating and reviewing: www.scientifictriathlon.com/rate/ CONTACT: Want to send feedback, questions or just chat? Email me at mikael@scientifictriathlon.com or connect on Instagram, Facebook, or Twitter.

Transcript

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0:00.0	For example, we would have some of our athletes would do a 40K session in the morning of walking
0:06.9	and then they'd walk a 10K session in the afternoon.
0:11.4	And that kind of a training volume would mean that it doesn't matter what you ate
0:14.7	between the session in the morning and session in the afternoon.
0:18.4	The one in the afternoon was always low carbohydrate availability
0:22.0	just because there's not a chance to replace glycogen
0:25.1	in that time frame when you've done such a heavy session in the morning.
0:28.9	So it might be that even our high carbohydrate availability diet
0:32.9	was actually periodised because of the way the athletes trained.
0:38.2	That Traflon Show, 236.
0:53.9	Hey, it walks up, everybody, and welcome back to another episode of That Traathlon Show, the podcast
1:00.4	presented by Scientific Traathlon.com.
1:04.1	I'm my host Michael, and on today's episode, I'm to Professor Louise Burke, who is the head
1:09.1	of sports nutrition at the Australian Institute of Sport,
1:12.6	or the AIS.
1:14.3	Through her career, Louise has worked both practically with applied nutrition science,
1:19.3	as well as deep in the academic world.
1:22.8	So she has a great perspective on both ends of the spectrum.
1:26.9	And in recent years, much of her research has been focused on investigating the effects
1:32.1	of low carbohydrate diets, high carbohydrate diets and periodized carbohydrates diets or dietary
1:38.6	interventions, I should say, on endurance performance.
1:43.3	And this research is the topic of today's discussion.
	...

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