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Table 2 Trial exercise training characteristics

From: Limited Effects of Inorganic Nitrate Supplementation on Exercise Training Responses: A Systematic Review and Meta-analysis

Trial

Classification

Training duration (weeks)

Training time (min)

Frequency (sessions per week)

Modality

Oxygen status

De Smet et al. [28]

SIT

5

30–40

3

Cycling

H

Finkel et al. [29]

HIHVT

3

45

3

Cycling

N

Muggeridge et al. [30]

HIIT

3

17

3

Cycling

N

Puype et al. [31]

HIET

6

30

5

Cycling

H

Shaltout et al. [32a]

Moderate/Vigorous

4

40

3

Treadmill/Cycling

N

Shaltout et al. [32b]

Mod

6

50

3

Treadmill

N

Sousa et al. [33]

HIIT/SIT

4

52–57

3

Cycling

H

Thompson et al. [34]

SIT

4

18–22.5

3–4

Cycling

N

Thompson et al. [35a]

SIT

4

18–22.5

3–4

Cycling

N

Thompson et al. [35b]

SIT

4

18–22.5

3–4

Cycling

N

Woessner et al. [36]

HIIT/Rehab

12

30

3–4

Treadmill

N

  1. Data are presented as means
  2. SIT Sprint interval training, HIHVT High intensity high volume training, HIIT High intensity interval training, HIET High intensity endurance training
  3. Oxygen Status; H Hypoxia, N Normoxia. [32a] Heart failure trial. [32b] Hypertension trial. [35a] Beetroot juice trial. [35b] Potassium nitrate trial