Table 4 Running intensity during each exercise program.

From: Assessment of exercise-induced stress via automated measurement of salivary cortisol concentrations and the testosterone-to-cortisol ratio: a preliminary study

 

Group

Day 1

Day 2

Day 1 versus 2

Morning exercise

Evening exercise

pday1

Morning exercise

Evening exercise

pday2

pm

pe

Exercise program

Non-IT (n = 8)

Walking and jogging

Jogging

 

Fixed-distance running

Walking and jogging

   

IT (n = 7)

Fixed-distance running

Interval training

Fixed-distance running

Fixed-distance running

Running distance (m)

Non-IT (n = 8)

7751 (6527–10,490)

9420 (7225–11,500)

0.043

11,000 (6850–12,000)

9215 (8000–13,500)

0.496

0.075

0.441

IT (n = 7)

12,000 (10,935–12,000)

10,000 (9100–12,500)

0.866

10,270 (10,000–11,300)

15,070 (15,000–15,605)**

0.028

0.141

0.116

Running velocity (m/min)

Non-IT (n = 8)

139.4 (127.5–167.3)

157.0 (141.7–177.4)

0.116

200.0 (136.7–217.5)

157.8 (111.6–177.8)

0.123

0.043

1.000

IT (n = 7)

200.0 (179.2–236.8)*

268.8 (211.8–314.8)*

0.176

166.7 (163.6–188.4)

180.7 (175.7–207.2)

0.398

0.046

0.043

Borg scale score

Non-IT (n = 8)

10.0 (8.0–13.0)

11.0 (8.5–11.0)

0.932

12.5 (11.5–14.0)

11.0 (9.5–11.5)

0.175

0.041

0.893

IT (n = 7)

12.0 (11.0–13.0)

16.0 (15.5–17.5)**

0.017

11.0 (9.5–11.5)

12.0 (9.5–13.5)

0.078

0.063

0.018

Maximum pulse rate (beats/min)

Non-IT (n = 8)

169 (151–175)

160 (138–173)

0.262

172 (163–183)

136 (120–170)

0.068

0.176

0.225

IT (n = 7)

181 (177–187)

196 (194–200)**

0.063

173 (137–175)

144 (142–179)

0.612

0.046

0.018

  1. Data are expressed as the median (25th–75th percentiles).
  2. *p < 0.05 and **p < 0.01 for variables between patients classified into two groups with and without the interval training in the evening on day 1 using the Mann–Whitney U test.
  3. pday1 morning exercise versus evening exercise on day 1 using the Wilcoxon signed-rank test.
  4. pday2 morning exercise versus evening exercise on day 2 using the Wilcoxon signed-rank test.
  5. pm day 1 versus 2 for morning exercise using the Wilcoxon signed-rank test.
  6. pe day 1 versus 2 for evening exercise using the Wilcoxon signed-rank test.
  7. Non-IT, non-interval training; IT, interval training.