Table 3 Characteristics of HIIT interventions performed as a part of physical education (intra) or in another connection (extra) in school

Intra-PE

Baquet et al. [30]

HIIE:

503

w = 12.7

m = 12.8

Running + Scheduled PE

100–120% MAS

n = 10

W = 10 s

R = 10 s

W:R = 1

3 sets; 3-min rest

10 wks

25–33 min HIIE

2 with 1 h HIIT and 2 h scheduled

PE

n.i

n.i

%BF(m&w) ↑

D7↑

MAS↑

SLJ↑

SHR↔

CON:

48

w = 13.0

m = 13.5

Scheduled PE

n.i

n.i

10 wks

2

n.i

n.i

Camacho et al. [6]

HIIT:

18

11.06

Running (sprints)

89.93% HR_max and maximal sprints

n = 1

W = 20 s

R = 20–60 s

W:R = 0.3–1

3–6 sets

8 wks

2.66–8 min

3

46.1 ± 5.7

n.i

FM↔

TFM↔

CON:

16

11.29

Running

65–75% HR_max

n = 1

W = 2.66–8 min

R = 0

8 wks

2.66–8 min

3

45.6 ± 6.6

n.i

Engel et al. [7]

HIIT:

39

11.9

Running and game playing

90–100% v_mean and all-out sprints

n = 4–10

W = 10 s-4 min

R = 20 s-3 min

W:R = 0.5–1.33

6 wks

20 min

2

n.i

n.i

BMI↑

6-min Run↑

20-m Sprint↑

SLJ↑

GAT:

46

11.4

Running and game playing

65–85% v_mean

n = 1–4

W = 5 min-25 min

R = 0–5 min

6 wks

30 min

2

n.i

n.i

Martin et al. [8]

HIIT:

18

16.9

Running (sprints)

87% HR_max

and maximal effort

n = 4–6

W = 30 s

R = 30 s

W:R = 1

4 sets

7 wks

16–24 min

3

47.1 ± 6.3

4.2

VO_2max↔

FG↔

FINS↑

SRP↔

HOMA-IR↔

SPE:

19

16.8

Scheduled PE

n.i

n.i

7 wks

60 min

3

46.1 ± 7.3

-6.9

Extra-PE

Baquet et al. [39]

HIIT:

33

9.5

Running

100–130% MAS

n = 5–10

W = 10–20 s

R = 10–20 s

W:R = 1

1–4 sets; 3 min rest

7 wks

30 min

2

43.9 ± 6,2

8.2

%BF↔

HR_max↔

MAV↑

VO_2peak↑

CON:

20

9.9

Scheduled PE

n.i

n.i

7 wks

n.i

46.2 ± 8.5

-2.0

Baquet et al. [41]

HIIE:

36

9.7

Running + Scheduled PE

100–130% MAS

n = 5–10

W = 10–20 s

R = 10–20 s

W:R = 1

1–4 sets; 3-min rest

7 wks

30 min

2 + scheduled

PE

n.i

n.i

%BF↔

MAV↑

SLJ↑

SHR↔

CON:

36

9.7

Scheduled PE

n.i

n.i

7 wks

n.i

n.i

n.i

Baquet et al. [24]

HIIT:

22

10.0

Running

100–190% MAS

n = 5–10

W = 10–20 s

R = 10–20 s

W:R = 1

1–4 sets; 3-min rest

7 wks

25–35 min

(60 min)

3 + (2 scheduled PE)

51.6 ± 2.8

4.8

BMI↔

HR_max↔

MAV↑

VO_2peak↑

CTG:

22

9.8

Running

80–85%

MAS

n = 1

W = 6–20 min

R = 0

1–4 sets; 5 min rest

7 wks

18–39 min

(60 min)

3 + (2 scheduled PE)

50.1 ± 6.0

7.0

CON:

19

9.3

Scheduled PE classes

n.i

n.i

7 wks

2

50.6 ± 6.1

-1.8

Gamelin et al. [40]

HIIT:

22

9.8

Short intermittent runs

100–190% MAV

n = 5–20

W = 5–30 s

R = 15–30 s

W:R = 0.3–1.5

1–4 sets

7 wks

30 min

3

51.6 ± 2.8

4.8

HR_max↔

M↑

MAV↑

VO_2peak↑

CON:

16

9.3

n.i

n.i

n.i

7 wks

30 min

3

49.9 ± 4.8

-2.4

Mc Manus et al. [43]

HIIT:

10

10.4

Cycling

All-out sprints

n = 7

W = 30 s

R = 2.45 min

W:R = 0.18

8 wks

20 min

3

45.5 ± 3.4

11.4

HR_max↔

VO₂↑

VO_2peak↑

CTG:

10

10.4

Cycling

80–85% HR_max

n = 1

W = 20 min

R = 0 min

8 wks

20 min

3

47.0 ± 6.5

7.8

CON:

15

10.5

Habitual

PA

n.i

n.i

8 wks

n.i

44.7 ± 6.5

1.8

Nourry et al. [42]

HIIT:

9

9.7

Running + Scheduled PE

100–130% MAS

n = 10

W = 10–20 s

R = 10–20 s

W:R = 1

4 sets; 3 min

8 wks

ca. 30 min

2

37.4 ± 7.3

15.5

%BF↔

FVC↑

HRpeak↔

Ppeak↑

VO2max↑

CON:

9

10.3

Scheduled PE

n.i

n.i

8 wks

n.i

36.8 ± 7.8

-0.54

van Biljon et al. [10]

HIIT

29

11.1

Running/Sprinting

 > 80% HR_max

n = 10

W = 60 s

R = 75 s

W:R = 0.8

5 wks

23 min

3

14.1 ± 7.3

45.4

BMI↔

DBP↓

FG↓

RHR↓

SBP↓

VO2peak↑

MICT

29

11.1

Walking

65–70% HR_max

n = 1

W = 33 min

R = 0

5 wks

33 min

3

11.6 ± 5.1

27.6

HIIT & MICT

27

11.1

Running + Walking

65– > 80% HR_max

n = 10

W = 60 s

R = 75 s

W:R = 0.8

&

n = 1

W = 33 min

R = 0

5 wks

23–33 min

3

(9 sessions HIIT/6 sessions MICT)

17.8 ± 9.8

28.1

CON

24

11.1

No training/intervention

12.6 ± 6.8

26.19