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Fast Physiology with Dr. Phil: The Size Principle
Manage episode 419592963 series 2537246
Summary
In this episode of Fast Physiology, Dr. Phil Batterson and Dave Schell discuss the size principle in muscle fiber recruitment. They explain that the body recruits muscle fibers based on the force required, starting with slow-twitch type 1 fibers and gradually recruiting type 2a and type 2x fibers as the force output increases. They also discuss the impact of cadence on fiber recruitment and fuel utilization. They emphasize the importance of sport-specific training to prepare for events that require different force outputs and motor unit recruitment. The key takeaways include the need for consistent and specific training to optimize physiological adaptations.
Takeaways
- The body recruits muscle fibers based on the force required, starting with slow-twitch type 1 fibers and gradually recruiting type 2a and type 2x fibers as the force output increases.
- Cadence affects fiber recruitment and fuel utilization, with lower cadences requiring higher force output and more recruitment of type 2a and type 2x fibers.
- Sport-specific training is crucial for events that require different force outputs and motor unit recruitment.
- Consistent and specific training is necessary to optimize physiological adaptations.
67 episoder
Fast Physiology with Dr. Phil: The Size Principle
Training Babble: Off-Road Insights for Mountain Bike and Gravel Cycling
Manage episode 419592963 series 2537246
Summary
In this episode of Fast Physiology, Dr. Phil Batterson and Dave Schell discuss the size principle in muscle fiber recruitment. They explain that the body recruits muscle fibers based on the force required, starting with slow-twitch type 1 fibers and gradually recruiting type 2a and type 2x fibers as the force output increases. They also discuss the impact of cadence on fiber recruitment and fuel utilization. They emphasize the importance of sport-specific training to prepare for events that require different force outputs and motor unit recruitment. The key takeaways include the need for consistent and specific training to optimize physiological adaptations.
Takeaways
- The body recruits muscle fibers based on the force required, starting with slow-twitch type 1 fibers and gradually recruiting type 2a and type 2x fibers as the force output increases.
- Cadence affects fiber recruitment and fuel utilization, with lower cadences requiring higher force output and more recruitment of type 2a and type 2x fibers.
- Sport-specific training is crucial for events that require different force outputs and motor unit recruitment.
- Consistent and specific training is necessary to optimize physiological adaptations.
67 episoder
Alle episoder
×1 Training Check-In with Phil: CRAZY VO2 Max and 5 min power increase 38:21
1 End of Year Wrap Up and tips for Kicking off 2025 on the Right Foot 15:39
1 Healthy Weight Loss for Endurance Athletes with Alex Larson 46:57
1 The Value of Repetition, Keeping it Simple, and the Magic of Consistency 39:52
1 Embracing the Off Season and Setting Yourself Up For Success 15:31
1 A Peek Behind the Curtain: Inside the Mind of an Endurance Coach 1:03:42
1 Why I Coach: Helping Athletes Navigate Information Overload 7:02
1 Calibrating Your Inner Power Meter: How to Train Better with RPE 17:50
1 The Machines Know!!!: Should you follow your wearable's training and recovery advice? 26:27
1 Introducing Intuitive Endurance Training: Making the case for flexibility and training by feel 14:51
1 Fast Physiology with Dr. Phil: When return to training after battling illness 21:56
1 Fast Physiology with Dr. Phil: Magic Bullets and Marginal Gains, what actually works? 26:40
1 Fast Physiology with Dr. Phil: FTP (Functional Threshold Power) Misconceptions 22:38
1 Fast Physiology with Dr. Phil: What Causes Cramps and How Can You Avoid them? 31:06
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