Response to Exercise - Quick Questions

• Explain the lactate threshold
  
  
• How long can high intensity (sub-maximal) exercise be maintained under the anaerobic system
  
  
• Fat metabolism can only be used as an energy source below what percentage of VO2 max?
  
  
• During prolonged high intensity exercise up to 80% VO2 max, what is the predominant fuel source?


• What happens when carbohysdrate stores and depleted?
  
  

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