oa South African Journal of Sports Medicine - Fasting respiratory exchange ratio is consistent at rest and during steady-state exercise of different intensities

Volume 8, Issue 2
  • ISSN : 1015-5163
  • E-ISSN: 2078-516X



The paper intends to measure the reproducibility and day-to-day consistency of fasting respiratory exchange ratio (RER) at rest and during exercise. On three separate occasions resting RER was measured for 5 minutes (after a > 15-minute stabilisation period) in 13 healthy subjects after a 10 - 12-hour overnight fast.

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