Direct Exercise Intensity Assessment: physiological bases - Domains of Exercise Intensity: The Appropriate Basis for Exercise Prescription

6 important questions on Direct Exercise Intensity Assessment: physiological bases - Domains of Exercise Intensity: The Appropriate Basis for Exercise Prescription

What are the fundamental principles of exercise domains?

Every domain shows a different characteristic quantitive change in the physiological response to an exercise intensity expressed as constant-work-rate (CWR).

What does it imply, when somebody, exercising in the light to moderate-intensity exercise domain, show a slow attainment of steady-state?

  • impaired oxidative capacity
  • easily fatiguable
  • rely on glycolytic (anaerobic) energy production

How long should exercise in this domain be sustainable?

> 30mins
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How is the high to severe-intensity exercise domain defined?

As all WRs above the Critical Power threshold, attained without reaching steady VO2 state, and reaching peak VO2

The VO2 usually changes as a function of WR. However, in this domain, there is a third player, which?

Time

How is servere to extreme-intensity exercise defined?

All WRs that show fatigue before VO2 peak is achieved.

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