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HMS, BM EQ-Bank 76

Explain how growth hormone and cortisol interact during a high-intensity interval training session.  (5 marks)

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Sample Answer

During HIIT training:

  • Growth hormone increases to enhance fat metabolism and protein synthesis
  • Cortisol rises to maintain blood glucose through gluconeogenesis
  • The hormones work antagonistically on protein metabolism:
    • Growth hormone promotes protein synthesis
    • Cortisol increases protein breakdown
  • This interaction affects both performance and recovery
Show Worked Solution

Sample Answer

During HIIT training:

  • Growth hormone increases to enhance fat metabolism and protein synthesis
  • Cortisol rises to maintain blood glucose through gluconeogenesis
  • The hormones work antagonistically on protein metabolism:
    • Growth hormone promotes protein synthesis
    • Cortisol increases protein breakdown
  • This interaction affects both performance and recovery