Inside Exercise #61 - Volume versus intensity with Dr David Bishop
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Aug 27, 2023 Dr David Bishop, Professor from Victoria University in Melbourne, discusses the relationship between exercise intensity, duration, and mitochondrial function. They explore the dissociation between mitochondrial volume and function, the importance of precise measurements in scientific studies, and the correlation between VO2 max, lactate threshold, and running performance. The podcast also delves into the impact of training on max heart rate and stroke volume, the value of interval training and recovery, and the importance of physiological testing in training. Additionally, they discuss carbohydrate use and hydration in exercise and suggest a combination of high volume, high-intensity interval, and sprint training for optimal mitochondrial adaptations.
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Mitochondrial Adaptation Dissociation
- Mitochondrial function and volume can adapt differently to training.
- High-intensity improves function more, while low-intensity increases volume more.
Mixed Training for Mitochondria
- Use a mix of training intensities, like polarized or pyramidal approaches.
- This targets both mitochondrial function and volume for optimal endurance.
Mitochondria and Lactate Threshold
- Lactate threshold, a key performance determinant, is primarily a peripheral adaptation.
- Mitochondrial function strongly influences lactate threshold, linking it to endurance.