
Inside Exercise
#61 - Volume versus intensity with Dr David Bishop
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.
01:21:24
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Quick takeaways
- Mixing different types of training can lead to a combination of improvements in both mitochondrial function and volume.
- Increasing training volume is important for developing mitochondrial content.
Deep dives
Training Intensity and Mitochondrial Function
Different types of training have been found to have varying effects on mitochondrial function and volume. High-intensity training tends to increase mitochondrial function more than volume, while prolonged low-intensity exercise increases mitochondrial volume more than function. Mixing different types of training, such as high-intensity intervals and moderate intensity sessions, can lead to a combination of improvements in both function and volume. This suggests that a balanced approach to training can optimize mitochondrial adaptations.
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