O2 Uptake, Exercise & Cor. Circ., Dr. D. Penney

Exercise Training Effects - Summary:

  • Increased cardiac output & stroke volume at maximal work level
  • Increased central blood volume and total hemoglobin


  • Increased size and number of skeletal muscle mitochondria
  • Increased myoglobin
  • Increased oxidative enzymes
  • Increased skeletal muscle capillary density
  • Thus, increased A -V O2 difference

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