In Season 2 Episode 33, Dr. Bubbs “rewinds” the tape and revisits highlights and key insights from world leading experts from the past two seasons of the show. In this instalment, Dr. Bubbs talks training athletes with Strength Coach Clance Laylor, sprinting and injury prevention with Sprint Coach Derek Hansen, the application of HIIT training in heart disease and markers of overtraining with expert Dr. Martin Gibala PhD. He then shifts gears to discuss muscle fiber types (and the confusion and myths in this area) with leading expert Dr. Andy Galpin PhD, and hears from Dr. Dan Pardi PhD on circadian biology and how it impacts health and performance. Finally, Dr. Bubbs rounds out this edition of REWIND by discussing brain and recovery with expert Dr. John Sullivan PhD and the mindset traits of elite captains with author of Captain Class and Wall Street Journal Sports Editor Sam Walker. Tons of great insights from this incredible group of experts!
In Season 2 Episode 27, Dr. Bubbs interviews Dr. Wes Kephart to discuss his recent paper on Body Composition, Blood Parameters, and Performance Metrics in CrossFit Trainees. We’ve got all the buzz words teed up for this episode as Wes dives into the rationale and set-up of his study on CrossFitters and Keto diets, impacts the 12-week nutrition strategy had on the their performance (e.g. 1-RM squat and 400m sprint), body composition, and blood markers. Wes also discusses some limitations of the study and things for the coach or athlete to consider before diving into this approach, as well as sharing his thoughts on supplementation after years in the research side of things. All this and much more!
Lay-Ups In This Episode
1) Bloodstream contains 5-10g of glucose at any one time.
2) The ketogenic diet group of recreational athletes did not experience any performance deficits after 12 weeks of Crossfit training
3) Quadriceps muscle diameter did get a little smaller in the keto group, despite maintaining the size strength as the control.
Link to Research Papers
About Dr. Wes Kephart PhD
Assistant Professor at the University of Wisconsin-Whitewater. Dr. Kephart obtained his PhD from Auburn University, where the majority of his research centered on supplementation and the ketogenic diet. He currently has 30 published manuscripts and once held an American record as a raw powerlifter in 2014.