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Table 1 Methods of estimating intensity of cardiorespiratory exercise

From: The effect of an expanded long-term periodization exercise training on physical fitness in patients with coronary artery disease: study protocol for a randomized controlled trial

Intensity

%HRR or %VO2R

%HR max

Edwards method Zone

Very light

<  30

<  57

1

Light

30–< 40

57–< 64

2

Moderate

40–< 60

64–< 76

3

Vigorous

60–< 90

76–< 96

4

Near maximal to maximal

≥ 90

≥ 96

5

  1. HRR heart rate reserve, VO2R oxygen uptake reserve, HRmax maximal heart rate
  2. Adapted from Garber et al. [38]