Table 3 Physiological and psychological (RPE) responses to a single bout of high-intensity interval training (HIT) or work-matched moderate-intensity continuous training (MICT) performed during the final training session.

From: Enhanced skeletal muscle ribosome biogenesis, yet attenuated mTORC1 and ribosome biogenesis-related signalling, following short-term concurrent versus single-mode resistance training

Time (min)

 

Rest

10

16

22

28

34

+2

+5

+10

+15

Lactate (mmol·L−1)

 HIT

0.7 ± 0.3

2.6 ± 0.6*#

5.4 ± 1.4*#

6.8 ± 1.2*#

7.3 ± 1.4*#

7.3 ± 1.3*#

7.3 ± 1.8*#

7.2 ± 1.6*#

6.0 ± 1.5*#

4.9 ± 1.4*#

 MICT

0.7 ± 0.3

1.7 ± 0.5*

2.6 ± 0.8*

2.7 ± 0.8*

2.8 ± 0.9*

2.8 ± 1.0*

2.4 ± 0.8*

2.2 ± 0.8*

1.8 ± 0.7*

1.4 ± 0.5*

Glucose (mmol·L−1)

 HIT

4.7 ± 0.8

4.6 ± 0.9

4.8 ± 0.9

5.0 ± 0.9#

5.4 ± 1.1#

5.9 ± 1.2*#

6.3 ± 1.5*#

6.2 ± 1.3*#

5.9 ± 1.2*#

5.4 ± 1.0#

 MICT

4.5 ± 0.5

4.5 ± 0.4

4.4 ± 0.6

4.2 ± 0.3

4.3 ± 0.4

4.3 ± 0.4

4.5 ± 0.5

4.7 ± 0.4

4.6 ± 0.4

4.5 ± 0.4

Heart rate (beats·min−1)

 HIT

63 ± 11

154 ± 9*#

162 ± 9*#

166 ± 9*#

170 ± 10*#

173 ± 9*#

—

—

—

—

 MICT

66 ± 5

140 ± 6*

147 ± 17*

150 ± 16*

152 ± 17*

154 ± 17*

—

—

—

—

RPE (AU)

 HIT

6 ± 0

13 ± 3*

15 ± 3*#

17 ± 2*#

18 ± 2*#

18 ± 2*#

—

—

—

—

 MICT

6 ± 0

11 ± 2*

12 ± 2*

13 ± 2*

14 ± 2*

14 ± 2*

—

—

—

—

  1. Values are means ± SD. HIT, high-intensity interval training cycling; MICT, continuous cycling; RPE, rating of perceived exertion. *P < 0.05 vs. rest; #P < 0.05 vs. MICT at same time point.
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