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Table 3 Protocol for the modified Bruce V̇O2 max treadmill assessment to be completed at the pre-baseline visit

From: Impact of probiotic supplementation on exercise endurance among non-elite athletes: study protocol for a randomized, placebo-controlled, double-blind, clinical trial

Stage

Time (min)

Speed (mph)

Grade (%)

Setup

−15:00–0:00

  

20031

0:00–3:00

1.7

0

2

3:00–6:00

1.7

5

3

6:00–9:00

1.7

10

4

9:00–12:00

2.5

12

5

12:00–15:00

3.4

14

6

15:00–18:00

4.2

16

7

18:00–21:00

5

18

8

21:00–24:00

5.5

20

Recoverya

24:00–27:00

0

0

  1. aFor safety purposes participants will be asked to spend 15 min recovering during which heart rate and blood pressure will be measured but study measures will only be taken in the first 3 min