Supporting Champions

155: David Bishop on interval training, mitochondria and training stressors

Dec 4, 2024
David Bishop, a prominent exercise physiology researcher at the University of Western Australia, shares his fascinating journey from physical education teacher to expert on muscle metabolism. He dives into how different training intensities affect mitochondrial adaptations, essential for athletic performance. David discusses the delicate balance between training volume and intensity, innovative techniques like blood flow restriction, and the importance of lactate measurements. Plus, get insights into future research directions shaping exercise science.
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INSIGHT

Training Specificity

  • Different training types cause different mitochondrial adaptations.
  • Increasing mitochondrial content doesn't guarantee improved function.
INSIGHT

Mitochondrial Adaptations

  • Increasing energy production can be achieved by increasing the number of mitochondria.
  • Alternatively, improve the efficiency of existing mitochondria (more energy per mitochondrion).
INSIGHT

Volume vs. Minutes

  • Training volume, equated to the amount of work done, is crucial for mitochondrial changes.
  • A minimum intensity threshold exists, below which work won't stimulate mitochondrial adaptations.
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