Sigma Nutrition Radio

Latest Episodes:

SNR #140: Layne Norton, PhD – Psychology of Overcoming Adversity and Body Composition Considerations for Powerlifting Aug 30, 2016

Show notes

Episode 140: Layne Norton, PhD is on the show to discuss his current journey back from injury, the psychology of elite athletes and the debate how much of a role body composition plays directly on strength and powerlifting performance.

Academically he completed his PhD in nutritional sciences under Professor Donald Layman at the University of Illnois, who you regular listeners will remember being on the podcast back in episode 123. As a competitor Layne was a pro bodybuilder who has more recently achieved large success in powerlifting, winning USAPL nationals in 2015 before going onto win a Silver medal at 2015 Worlds in the 93kg class, breaking a squat world record at the time. Layne puts out content and provides coaching via his site BioLayne.

SNR #139: Implementing Refeeds, Diet Breaks & Free Days Aug 25, 2016

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Episode 139: Answering a listener question: "How do you use 'days-off' or 'Diet-Breaks' with clients?"

SNR #138: Dana Lis, RD - Exercise-induced GI Distress and the Impact of Gluten & FODMAPs on Athletic Performance Aug 23, 2016

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Episode 138: Sports dietitian and PhD candidate Dana Lis discusses some new research examining the potential for acute low-FODMAP diets to help alleviate GI symptoms in athletes

Dana is a well-known sport dietitian with broad experience at the Professional, Olympic, National and International levels. Her passion for high performance sport nutrition has provided her the honor of working with several world-class athletes, achieving top performance; including helping Canada's athletes win Olympic medals at London 2012 and Sochi 2014.

As a registered dietitian and graduate of the renowned IOC diploma in sport nutrition, she is currently completing PhD research investigating the effects of gluten-free and acute low FODMAPs diets on gastrointestinal health and inflammation in endurance athletes.

SNR #137: Luis Villasenor - How to (Successfully) Implement a Ketogenic Diet for Body Composition & Strength Aug 16, 2016

Show notes

Episode 137: Ketogains founder Luis Villasenor explains how to set-up a ketogenic diet correctly, discusses common mistakes and smashes misconceptions about all sorts of concepts related to ketogenic diets.

Luis is the found of Ketogains, an online community that works to help people achieve their body composition and performance goals through a well-formulated ketogenic diet. They have a respected reputation due to their evidence-based thinking and non-dogmatic approach to nutrition.

Luis has been personally using a ketogenic diet for ~ 15 years, whilst building substantial muscle mass, getting lean and training for powerlifting.

SNR #136: Do You Need To Rotate Your Protein Sources? Aug 12, 2016

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Episode 136: Answering a listener question: "If someone was to only use set sources of protein i.e. chicken and whey. Would they still see the same benefits as to someone who has a more varied approach? In terms of hypertrophy and when on a fat loss phase. With their protein intake calculated as it should be for both. Also would they see negative effects in terms of food intolerance?"

SNR #135: Nicola Rinaldi, PhD - Hypothalamic Amenorrhea Aug 10, 2016

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Episode 135: Nicola Rinaldi, PhD discusses the causes, treatment interventions and science of hypothalamic amenorrhea. Hypothalamic amenorrhea is a condition in which menstruation stops for several months (or more) due to a problem involving the hypothalamus. The hypothalamus is in the center of the brain and controls reproduction.

SNR #134: Are BCAAs Worthless? Aug 04, 2016

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Episode 134: Answering the question of whether branched-chain amino acid supplementation is a worthy consideration for gym trainees and athletes.

SNR #133: Emma McCrudden - Vegan & Vegetarian Athlete Nutritional Programming Aug 02, 2016

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Episode 133: Performance dietitian Emma McCrudden of the University of British Columbia discusses important considerations for implementing evidence-based nutrition programs with vegan or vegetarian athletes.

Emma trained as a Dietitian in the University of Ulster in Northern Ireland. She completed her Masters at Loughborough University in Sports Nutrition and Exercise Physiology. She worked as an applied Performance Dietitian for the English Institute of Sport (EIS) with a variety of sports including, beach volleyball, England Netball and Bob Skeleton.

In 2010 she split her time between England, continuing her work with the EIS and Dublin, working as the lead dietitian for Leinster Rugby. In 2013, she joined the Canadian Sport Institute Pacific in Vancouver and has worked with swimmers, Women's Soccer team, the Vancouver Whitecaps Youth teams, BMX, the Canucks and winter sports in Whistler.

Her work focuses on the specialist application of the science of nutrition to performance enhancement in sport aiming to maximise training adaptation and performance, optimize body composition while minimizing risk of injury, over-training, illness and burnout. She is currently based at the University of British Columbia, where she splits her time between lecturing and being a practitioner with the elite athletes on campus.

SNR #132: Tony Gentilcore - How to Be an Effective, Successful Coach Jul 26, 2016

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Episode 132: Tony Gentilcore discusses his philosophy on coaching, what skills are vital to effective coaching, strategies to develop as a coach, mistakes that coaches can often make and how to help clients get the best results possible.

Tony Gentilcore is one of the co-founders of Cressey Sports Performance and helped develop that brand and facility for many years. Now Tony is coaching out of Boston, MA where he is a much sought-after coach, as well as contributing to many of the most well-known fitness publications on the web.

In this episode we discuss:

Tony's coaching philosophy
The skills that are vital to effective coaching
Tweaks, progressions and regressions to tailor programs to client needs and circumstances
Strategies that coaches can use to develop into the best coach they can be
Mistakes that coaches can often make and how to learn from them
Reasons why intermediate lifters fail to progress
Helping clients get the best results possible in a manner that is right for that individual

SNR #131: Dan Pardi, PhD - The Human Operating System & Developing a Philosophy for Health Jul 19, 2016

Show notes

Episode 131: Dan Pardi, PhD discusses all sorts of concepts related to the philosophy of health, including; using tech and tools to improve behaviuors, mindset over tools, research on PERMA and applying the "explore, expolit" concept to health.

Dan is an entrepreneur and researcher whose life's work is centered on how to facilitate health behaviors in others. He is the developer of Loop Model to Sustain Health Behaviors to help people live a healthy lifestyle in a modern world.

He does research with the Psychiatry and Behavioral Sciences Department at Stanford University, and the Departments of Neurology and Endocrinology at Leiden University in the Netherlands. His current research looks at how sleep influences decision making

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