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Table 2 High intensity circuit training (HICT) Protocol

From: High-intensity circuit training change serum myostatin but not myogenin in adolescents’ soccer players: a quasi-experimental study

Week

High intensity circuit training protocol

 

Weekly frequency

Intensity of each session

During each HICT

(8 stations; 30 s)

Weekly volume

Volume of each session

First

3

Max exertion at 30”

HR > 80% MHR

14 min

Rest: 60”

3 HICT

1 HICT

14 min

Second

3

Max exertion at 30”

HR > 80% MHR

10 min

Rest: 45”

3 HICT

1 HICT

10 min

Third

3

Max exertion at 30”

HR > 80% MHR

8 min

Rest: 30”

6 HICT

2 HICT

8 min

Fourth

3

Max exertion at 30”

HR > 85% MHR

8 min

Rest: 30”

6 HICT

2 HICT

16 min

Fifth

3

Max exertion at 30”

HR > 85% MHR

8 min

Rest: 30”

9 HICT

3 HICT

24 min

Sixth

3

Max exertion at 30”

HR > 85% MHR

8 min

Rest: 30”

9 HICT

3 HICT

24 min

Seventh

3

Max exertion at 30”

HR > 85% MHR

8 min

Rest: 30”

12 HICT

4 HICT

32 min

Eight

3

Max exertion at 30”

HR > 85% MHR

8 min

Rest: 30”

12 HICT

4 HICT

32 min

  1. After the start command, exercise of each station was performed with maximum effort for 30 s (Borg scale greater than 16 and heart rate (HR) more than 80–85% maximum heart rate (MHR); Participants walked as active resting between each station. When all participants performed all stations once, it was considered one round on the first week, two rounds (30 s activity, with 45 s resting between each station), on the second week, three rounds (each station; 30 s activity, with 30 s resting between each station) on the third, fourth, fifth, sixth, seventh and eighth weeks