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Table 3 Linear sprint times (s) reported in male, adolescent rugby league players according to age group, playing level, and playing position

From: What Tests are Used to Assess the Physical Qualities of Male, Adolescent Rugby League Players? A Systematic Review of Testing Protocols and Reported Data Across Adolescent Age Groups

Study

Playing level

Position

Sample size (n)

Age (years)

Linear sprint distance

Methods

10 m (s)

20 m (s)

30 m (s)

40 m (s)

60 m (s)

Start distance from gate (m)

Number of trials (measure)

Equipment

12 years of age

Gabbett et al. [1]a

Academy

Forwards

13

12.5 ± 0.5

2.60 ± 0.12

4.24 ± 0.17

–

7.50 ± 0.35

–

NR

2 (best)

LG

  

Backs

14

12.3 ± 0.5

2.46 ± 0.14

4.04 ± 0.21

–

7.11 ± 0.42

–

   

13 years of age

Gabbett et al. [48]

Academy

All

53

13.2 ± 0.6

2.14 ± 0.19

3.63 ± 0.23

–

6.60 ± 0.47

–

NR

3 (best)

LG

Gabbett et al. [1]a

Academy

Forwards

7

13.5 ± 0.5

2.44 ± 0.11

3.99 ± 0.22

–

7.00 ± 0.65

–

NR

2 (best)

LG

  

Backs

10

13.7 ± 0.4

2.24 ± 0.13

3.70 ± 0.27

–

6.47 ± 0.55

–

   

Till et al. [51]

Academy

All

194

13.6 ± 0.3

1.94 ± 0.12

3.36 ± 0.17

4.73 ± 0.26

–

8.86 ± 0.56

0.5

3 (best)

LG

Till et al. [8]

Amateur

All

249

13.6 ± 0.6

1.90 ± 0.14

3.29 ± 0.19

4.61 ± 0.27

–

8.60 ± 0.56

NR

3 (best)

LG

 

Academy

All

261

13.6 ± 0.6

1.88 ± 0.13

3.25 ± 0.17

4.54 ± 0.23

–

8.43 ± 0.45

   
 

Elite

All

70

13.8 ± 0.7

1.85 ± 0.12

3.21 ± 0.16

4.51 ± 0.22

–

8.36 ± 0.49

   

Till et al. [50]

Amateur

All

NR

13.6 ± 0.2

1.97 ± 0.09

3.41 ± 0.18

4.81 ± 0.26

–

9.17 ± 0.60

NR

NR

LG

 

Academy

All

NR

13.7 ± 0.1

1.94 ± 0.06

3.32 ± 0.13

4.67 ± 0.20

–

8.75 ± 0.44

   
 

Elite

All

NR

13.4 ± 0.3

1.95 ± 0.09

3.34 ± 0.15

4.66 ± 0.23

–

8.69 ± 0.49

   

Till et al. [102]

Academy

All

NR

13.6 ± 0.2

1.96 ± 0.08

3.36 ± 0.16

4.70 ± 0.23

–

8.76 ± 0.54

0.5

3 (best)

LG

  

Outside backs

NR

13.7 ± 0.2

1.92 ± 0.09

3.28 ± 0.15

4.57 ± 0.23

–

8.44 ± 0.46

   
  

Pivots

NR

13.5 ± 0.3

1.95 ± 0.09

3.38 ± 0.16

4.74 ± 0.24

–

8.88 ± 0.56

   
  

Props

NR

13.6 ± 0.2

2.01 ± 0.08

3.47 ± 0.16

4.85 ± 0.24

–

9.10 ± 0.58

   
  

Backs

NR

13.7 ± 0.2

1.95 ± 0.06

3.34 ± 0.12

4.72 ± 0.15

–

8.82 ± 0.39

   

Till et al. [39]

Amateur

All

50

13.6 ± 0.3

1.92 ± 0.13

3.37 ± 0.21

4.78 ± 0.28

–

9.07 ± 0.60

NR

3 (best)

LG

 

Academy

All

32

13.6 ± 0.2

1.88 ± 0.09

3.29 ± 0.14

4.66 ± 0.20

–

8.74 ± 0.44

   
 

Elite

All

13

13.6 ± 0.3

1.87 ± 0.08

3.32 ± 0.14

4.70 ± 0.19

–

8.84 ± 0.36

   

Till et al. [45]

Eliteb

All

255

13.6 ± 0.3

1.95 ± 0.12

3.38 ± 0.20

4.75 ± 0.26

–

8.49 ± 0.55

NR

3 (best)

LG

 

Elitec

All

130

13.7 ± 0.2

1.91 ± 0.12

3.29 ± 0.14

4.61 ± 0.22

–

–

   

Till et al. [95]

Academy

All

NR

13.8 ± 0.1

1.95 ± 0.08

3.34 ± 0.14

4.67 ± 0.22

–

8.67 ± 0.50

0.5

3 (best)

LG

14 years of age

Gabbett et al. [47]

Academy

All

14

14.1 ± 0.2

1.85 ± 0.02

3.20 ± 0.04

–

5.79 ± 0.08

–

NR

NR

LG

Till et al. [39]

Amateur

All

92

14.5 ± 0.3

1.93 ± 0.10

3.32 ± 0.15

4.63 ± 0.23

–

8.61 ± 0.48

NR

3 (best)

LG

 

Academy

All

85

14.6 ± 0.3

1.90 ± 0.10

3.28 ± 0.15

4.58 ± 0.20

–

8.49 ± 0.44

   
 

Elite

All

18

14.5 ± 0.3

1.86 ± 0.09

3.24 ± 0.13

4.52 ± 0.17

–

8.39 ± 0.37

   

Gabbett et al. [1]a

Academy

Forwards

11

14.5 ± 0.5

2.25 ± 0.07

3.72 ± 0.16

–

6.58 ± 0.39

–

NR

2 (best)

LG

  

Backs

12

14.6 ± 0.5

2.21 ± 0.13

3.62 ± 0.14

–

6.26 ± 0.19

–

   

Gabbett et al. [24]

Academy

All

23

14.5 ± 0.5

2.23 ± 0.12

–

–

6.41 ± 0.35

–

NR

2 (best)

LG

 

Elite

All

36

14.3 ± 0.9

1.89 ± 0.12

–

–

5.65 ± 0.30

–

   

Till et al. [51]

Academy

All

227

14.6 ± 0.3

1.89 ± 0.10

3.27 ± 0.16

4.56 ± 0.22

–

8.48 ± 0.47

0.5

3 (best)

LG

Till et al. [45]

Eliteb

All

309

14.6 ± 0.3

1.91 ± 0.09

3.29 ± 0.25

4.58 ± 0.22

–

8.49 ± 0.46

NR

3 (best)

LG

 

Elitec

All

86

14.6 ± 0.3

1.87 ± 0.10

3.21 ± 0.15

4.50 ± 0.21

–

8.32 ± 0.44

   

Till et al. [50]

Amateur

All

NR

14.6 ± 0.2

1.95 ± 0.09

3.34 ± 0.15

4.67 ± 0.23

–

8.62 ± 0.51

NR

NR

LG

 

Academy

All

NR

14.7 ± 0.1

1.91 ± 0.07

3.23 ± 0.11

4.50 ± 0.17

–

8.28 ± 0.32

   
 

Elite

All

NR

14.4 ± 0.3

1.88 ± 0.10

3.22 ± 0.15

4.49 ± 0.21

–

8.33 ± 0.41

   

Till et al. [102]

Academy

All

NR

14.6 ± 0.2

1.91 ± 0.08

3.26 ± 0.14

4.53 ± 0.20

–

8.39 ± 0.41

0.5

3 (best)

LG

  

Outside backs

NR

14.7 ± 0.2

1.87 ± 0.07

3.18 ± 0.11

4.41 ± 0.15

–

8.14 ± 0.30

   
  

Pivots

NR

14.5 ± 0.3

1.92 ± 0.10

3.28 ± 0.17

4.56 ± 0.25

–

8.49 ± 0.52

   
  

Props

NR

14.6 ± 0.2

1.95 ± 0.07

3.34 ± 0.11

4.66 ± 0.17

–

8.65 ± 0.35

   
  

Backs

NR

14.7 ± 0.2

1.90 ± 0.07

3.26 ± 0.12

4.54 ± 0.17

–

8.39 ± 0.34

   

Till et al. [95]

Academy

All

NR

14.8 ± 0.1

1.91 ± 0.08

3.25 ± 0.13

4.51 ± 0.19

–

8.34 ± 0.38

0.5

3 (best)

LG

Till et al. [59]

Academy

All

31

NRg

1.94 ± 0.10

3.37 ± 0.17

–

–

–

0.5

3 (best)

LG

15 years of age

Dobbin et al. [66]

Academy

All

235

15.1 ± 0.8

1.83 ± 0.11

3.16 ± 0.16

–

–

–

0.3

2 (best)

LG

  

Wingers

-

15.1 ± 0.8

1.82 ± 0.09

3.12 ± 0.14

–

–

–

   
  

Centres

-

15.1 ± 0.8

1.81 ± 0.12

3.13 ± 0.15

–

–

–

   
  

Halves

-

15.1 ± 0.9

1.83 ± 0.13

3.19 ± 0.18

–

–

–

   
  

Hookers

-

15.1 ± 0.1

1.85 ± 0.10

3.21 ± 0.17

–

–

–

   
  

Hit-up forwards

-

15.1 ± 0.1

1.87 ± 0.11

3.22 ± 0.15

–

–

–

   
  

Backs

-

15.1 ± 0.1

1.82 ± 0.11

3.15 ± 0.16

–

–

–

   

Gabbett et al. [48]

Academy

All

20

15.1 ± 0.6

1.97 ± 0.13

3.34 ± 0.25

–

5.97 ± 0.54

–

NR

3 (best)

LG

Waldron et al. [46]

Academy

All

13

15.1 ± 0.3

–

3.50 ± 0.10

–

–

–

0.3

2 (best)

LG

Gabbett et al. [1]a

Academy

Forwards

12

15.4 ± 0.9

2.22 ± 0.11

3.61 ± 0.16

–

6.17 ± 0.27

–

NR

2 (best)

LG

  

Backs

9

15.4 ± 0.5

2.17 ± 0.09

3.55 ± 0.12

–

6.00 ± 0.17

–

   

Tredrea et al. [60]

Academy

All

49

15.5 ± 0.6

1.93 ± 0.11

–

–

5.75 ± 0.29

–

0.5

2 (best)

LG

 

Elite

All

51

15.5 ± 0.5

1.85 ± 0.12

–

–

5.56 ± 0.26

–

   

Till et al. [51]

Academy

All

208, 178f

15.5 ± 0.3

1.86 ± 0.16

3.10 ± 0.18

4.45 ± 0.23

–

8.24 ± 0.37

0.5

3 (best)

LG

Till et al. [50]

Amateur

All

NR

15.6 ± 0.2

1.89 ± 0.08

3.22 ± 0.12

4.50 ± 0.17

–

8.27 ± 0.36

NR

NR

LG

 

Academy

All

NR

15.7 ± 0.1

1.89 ± 0.07

3.22 ± 0.15

4.44 ± 0.18

–

8.19 ± 0.39

   
 

Elite

All

NR

15.4 ± 0.3

1.86 ± 0.10

3.18 ± 0.14

4.38 ± 0.22

–

8.09 ± 0.42

   

Gabbett et al. [24]

Academy

All

28

15.6 ± 0.6

2.15 ± 0.17

–

–

6.01 ± 0.34

–

NR

2 (best)

LG

 

Elite

All

21

15.8 ± 0.3

1.81 ± 0.07

–

–

5.42 ± 0.25

–

   

Till et al. [102]

Academy

All

NR

15.6 ± 0.2

1.87 ± 0.08

3.18 ± 0.12

4.41 ± 0.19

–

8.10 ± 0.41

0.5

3 (best)

LG

  

Outside backs

NR

15.7 ± 0.2

1.83 ± 0.07

3.10 ± 0.11

4.28 ± 0.16

–

7.80 ± 0.35

   
  

Pivots

NR

15.5 ± 0.3

1.87 ± 0.07

3.19 ± 0.10

4.45 ± 0.17

–

8.19 ± 0.35

   
  

Props

NR

15.6 ± 0.2

1.91 ± 0.07

3.25 ± 0.11

4.48 ± 0.17

–

8.30 ± 0.29

   
  

Backs

NR

15.7 ± 0.2

1.88 ± 0.08

3.21 ± 0.11

4.49 ± 0.17

–

8.27 ± 0.39

   

Till et al. [39]

Amateur

All

107

15.6 ± 0.3

1.87 ± 0.16

3.21 ± 0.19

4.47 ± 0.24

–

8.28 ± 0.42

NR

3 (best)

LG

 

Academy

All

144

15.6 ± 0.3

1.87 ± 0.15

3.20 ± 0.18

4.46 ± 0.24

–

8.23 ± 0.41

   
 

Elite

All

39

15.5 ± 0.3

1.82 ± 0.14

3.14 ± 0.15

4.38 ± 0.17

–

8.10 ± 0.30

   

Till et al. [45]

Eliteb

All

306

15.6 ± 0.3

1.86 ± 0.14

3.19 ± 0.17

4.43 ± 0.22

–

8.17 ± 0.41

NR

3 (best)

LG

 

Elitec

All

86

15.6 ± 0.3

1.85 ± 0.14

3.17 ± 0.17

4.40 ± 0.23

–

8.10 ± 0.43

   

Till et al. [61]

Academy

All

35

15.7 ± 0.2

1.81 ± 0.07

3.12 ± 0.11

–

–

–

0.5

3 (best)

LG

Till et al. [95]

Academy

All

NR

15.8 ± 0.1

1.88 ± 0.08

3.19 ± 0.12

4.40 ± 0.17

–

8.07 ± 0.37

0.5

3 (best)

LG

Gabbett et al. [14]

Academy

All

36

15.9 ± 0.6

1.94 ± 0.11

3.28 ± 0.18

–

5.83 ± 0.35

–

NR

3 (best)

LG

  

Hit-up forwards

15.8 ± 0.7

2.06 ± 0.09

3.50 ± 0.16

–

6.28 ± 0.31

–

    
  

Adjustables

 

15.7 ± 0.4

1.91 ± 0.06

3.25 ± 0.08

–

5.77 ± 0.19

–

   
  

Outside backse

 

16.1 ± 0.7

1.88 ± 0.07

3.18 ± 0.09

–

5.62 ± 0.15

–

   

Gabbett et al. [38]

Academy

All

13

15.9 ± 0.6

1.94 ± 0.13

    

0

3 (best)

LG

Till et al. [96]

Academy

All

67

NRh

1.82 ± 0.07

3.13 ± 0.11

–

–

–

0.5

3 (best)

LG

  

Forwards

37

NRh

1.85 ± 0.06

3.18 ± 0.09

–

–

–

   
  

Backs

30

NRh

1.78 ± 0.06

3.07 ± 0.11

–

–

–

   

16 years of age

Gabbett et al. [14]

Academy

Alld

36

15.9 ± 0.6

1.94 ± 0.11

3.28 ± 0.18

–

5.83 ± 0.35

–

NR

3 (best)

LG

  

Hit-up forwards

 

15.8 ± 0.7

2.06 ± 0.09

3.50 ± 0.16

–

6.28 ± 0.31

–

   
  

Adjustables

 

15.7 ± 0.4

1.91 ± 0.06

3.25 ± 0.08

–

5.77 ± 0.19

–

   
  

Outside backse

 

16.1 ± 0.7

1.88 ± 0.07

3.18 ± 0.09

–

5.62 ± 0.15

–

   
 

Elite

Alld

28

16.0 ± 0.2

1.81 ± 0.08

3.11 ± 0.12

–

5.56 ± 0.22

–

NR

3 (best)

LG

  

Hit-up forwards

 

15.9 ± 0.4

1.85 ± 0.06

3.18 ± 0.09

–

5.69 ± 0.17

–

   
  

Adjustablese

 

16.0 ± 0.2

1.81 ± 0.06

3.12 ± 0.11

–

5.58 ± 0.20

–

   
  

Outside backse

 

16.0 ± 0.2

1.76 ± 0.09

3.03 ± 0.12

–

5.40 ± 0.22

–

   

Gabbett et al. [38]

Academy

All

28

16.0 ± 0.2

1.81 ± 0.08

 

–

–

–

0

3 (best)

LG

Waldron et al. [46]

Academy

All

13

16.2 ± 0.3

–

3.4 ± 0.2

–

–

–

0.3

2 (best)

LG

Gabbett et al. [48]

Academy

All

15

16.5 ± 0.3

1.94 ± 0.09

3.26 ± 0.18

–

5.80 ± 0.39

–

NR

3 (best)

LG

Till et al. [61]

Academy

All

44

16.7 ± 0.2

1.80 ± 0.06

3.11 ± 0.09

–

–

–

0.5

3 (best)

LG

Coutts et al. [64]

Academy

All

21

16.6 ± 1.2

2.14 ± 0.09

3.47 ± 0.11

–

–

–

NR

2 (best)

LG

 

Academy

All

21

16.8 ± 1.0

2.16 ± 0.08

3.46 ± 0.08

–

–

–

   

Gabbet et al. [49]

Academy

All

36

16.9 ± 0.6

1.80 ± 0.07

3.08 ± 0.09

–

5.48 ± 0.21

–

NR

2 (best)

LG

Gabbett et al. [47]

Academy

All

21

16.9 ± 0.3

1.83 ± 0.02

3.14 ± 0.03

–

5.64 ± 0.06

–

NR

NR

LG

Gabbett et al.[24]

Academy

All

25

16.9 ± 0.3

2.08 ± 0.19

–

–

5.92 ± 0.34

 

NR

2 (best)

LG

 

Elite

All

18

16.8 ± 0.3

1.83 ± 0.11

–

–

5.46 ± 0.29

–

   

Till et al. [96]

Academy

All

45

NRi

1.81 ± 0.06

3.12 ± 0.10

–

–

–

0.5

3 (best)

LG

  

Forwards

25

NRi

1.83 ± 0.07

3.16 ± 0.11

–

–

–

   
  

Backs

20

NRi

1.78 ± 0.04

3.07 ± 0.07

–

–

–

   

Till et al. [103]

Academy

All

37

NR

1.81 ± 0.06

3.12 ± 0.09

–

–

–

0.5

3 (best)

LG

 

Elite

All

13

NR

1.80 ± 0.05

3.10 ± 0.09

–

–

–

   

Till et al. [59]

Academy

All

75

NRi

1.83 ± 0.07

3.16 ± 0.12

–

–

–

0.5

3 (best)

LG

17 years of age

Waldron et al. [46]

Academy

All

13

17.0 ± 0.3

–

3.3 ± 0.1

–

–

–

0.3

2 (best)

LG

Dobbin et al. [62]

Academy

All

50

17.1 ± 1.1

1.90 ± 0.11

3.23 ± 0.20

–

–

–

0.3

2 (best)

LG

Dobbin et al. [42]

Academy

All

16

17.2 ± 0.7

1.79 ± 0.08

3.06 ± 0.12

–

–

–

0.3

2 (best)

LG

Pearce et al. [72]

Academy

All

52

17.2 ± 0.5

–

–

4.31 ± 0.16

–

–

NR

3 (best)

LG

Till et al. [97]

Academy

All

16

17.3 ± 0.7

1.81 ± 0.1

3.11 ± 0.1

–

–

–

0.5

3 (best)

LG

Dobbin et al. [65]

Academy

All

197

17.4 ± 1.0

1.84 ± 0.11

3.10 ± 0.15

–

–

–

0.3

2 (best)

LG

  

Back Row

 

17.5 ± 0.8

1.80 ± 0.08

3.05 ± 0.13

–

–

–

   
  

Centre

 

17.2 ± 0.9

1.81 ± 0.08

3.06 ± 0.11

–

–

–

   
  

Forward

 

17.3 ± 0.5

1.86 ± 0.16

3.12 ± 0.16

–

–

–

   
  

Full back

 

17.4 ± 0.9

1.81 ± 0.12

3.05 ± 0.11

–

–

–

   
  

Half Back

 

17.3 ± 1.1

1.83 ± 0.10

3.08 ± 0.22

–

–

–

   
  

Hooker

 

17.2 ± 1.2

1.83 ± 0.11

3.06 ± 0.20

–

–

–

   
  

Loose Forward

 

17.5 ± 0.8

1.87 ± 0.10

3.15 ± 0.14

–

–

–

   
  

Prop

 

17.2 ± 0.9

1.89 ± 0.13

3.23 ± 0.15

–

–

–

   
  

Scrum Half

 

17.3 ± 1.4

1.82 ± 0.12

3.05 ± 0.13

–

–

–

   
  

Second Row

 

17.9 ± 1.4

1.83 ± 0.12

3.11 ± 0.13

–

–

–

   
  

Stand-Off

 

18.0 ± 0.6

1.91 ± 0.14

3.22 ± 0.15

–

–

–

   
  

Winger

 

17.4 ± 1.1

1.76 ± 0.07

3.00 ± 0.13

–

–

–

   

Dobbin et al. [104]

Academy

All

67

17.4 ± 1.0

1.86 ± 0.07

3.15 ± 0.10

4.36 ± 0.14

–

–

0.3

2 (worse)

LG

Tredrea et al. [60]

Academy

All

41

17.4 ± 0.7

1.86 ± 0.08

–

–

5.57 ± 0.23

–

0.5

2 (best)

LG

 

Elite

All

19

17.0 ± 0.7

1.76 ± 0.07

–

–

5.44 ± 0.20

–

   

Dobbin et al. [66]

Elite

Alld

365

17.5 ± 2.0

1.84 ± 0.11

3.15 ± 0.16

–

–

–

0.3

2 (best)

LG

  

Wingers

 

17.5 ± 2.0

1.80 ± 0.09

3.08 ± 0.15

–

–

–

   
  

Centres

 

17.5 ± 2.0

1.81 ± 0.09

3.10 ± 0.13

–

–

–

   
  

Halves

 

17.5 ± 2.1

1.83 ± 0.09

3.12 ± 0.14

–

–

–

   
  

Hookers

 

17.5 ± 2.2

1.83 ± 0.09

3.11 ± 0.16

–

–

–

   
  

Hit-up forwards

 

17.5 ± 2.3

1.91 ± 0.10

3.28 ± 0.15

–

–

–

   
  

Backs

 

17.5 ± 2.4

1.85 ± 0.12

3.16 ± 0.15

–

–

–

   

Gabbett et al. [22]a

Academy

Props

37

17.6 ± 2.4

2.14 ± 0.19

3.62 ± 0.21

–

6.18 ± 0.42

–

NR

2 (best)

LG

  

Hookers

31

17.3 ± 1.1

2.04 ± 0.22

3.38 ± 0.29

–

5.89 ± 0.38

–

   
  

Back rowers

36

17.2 ± 1.8

2.07 ± 0.27

3.47 ± 0.31

–

5.89 ± 0.49

–

   
  

Lockse

11

16.5 ± 1.5

2.07 ± 0.18

3.49 ± 0.22

–

5.93 ± 0.36

–

   
  

Halvese

27

16.7 ± 1.5

1.95 ± 0.21

3.52 ± 0.10

–

5.62 ± 0.38

–

   
  

Five eighthe

11

16.7 ± 1.6

1.93 ± 0.16

3.27 ± 0.06

–

5.71 ± 0.16

–

   
  

Centres

27

17.0 ± 2.3

2.02 ± 0.23

3.34 ± 0.23

–

5.71 ± 0.33

–

   
  

Wingers

39

17.7 ± 2.2

2.18 ± 0.26

3.49 ± 0.28

–

5.94 ± 0.51

–

   
  

Fullbacks

21

17.4 ± 2.0

2.16 ± 0.13

3.39 ± 0.22

–

5.84 ± 0.21

–

   

Nicholson et al. [56]

Academy

All

20

17.6 ± 0.9

2.15 ± 0.12

3.46 ± 0.18

4.68 ± 0.24

5.87 ± 0.30

–

NR

2

RG

  

Forwards

  

2.17 ± 0.13

3.50 ± 0.19

4.73 ± 0.24

5.96 ± 0.29

–

   
  

Backs

  

2.12 ± 0.11

3.38 ± 0.16

4.57 ± 0.21

5.71 ± 0.27

–

   

Till et al. [61]

Academy

All

34

17.7 ± 0.3

1.80 ± 0.06

3.09 ± 0.11

–

–

–

0.5

3 (best)

LG

Darrel-Jones et al. [63]

Academy

All

14

17.7 ± 0.6

1.79 ± 0.04

3.10 ± 0.06

4.30 ± 0.10

5.57 ± 0.11

–

0.5

3 (best)

LG

Gabbett et al. [1]a

Academy

Forwards

10

17.8 ± 0.8

2.19 ± 0.13

3.57 ± 0.15

–

6.20 ± 0.24

–

NR

2 (best)

LG

  

Backs

12

17.3 ± 0.8

2.19 ± 0.16

3.53 ± 0.19

–

6.01 ± 0.25

–

   

Gabbett et al. [23]a

Academy

All

36

17.9 ± 0.4

1.82 ± 0.25

3.12 ± 0.43

–

5.56 ± 0.87

–

NR

2 (best)

LG

Till et al. [59]

Academy

All

64

NRj

1.82 ± 0.06

3.14 ± 0.10

–

–

–

0.5

3 (best)

LG

Till et al. [96]

Academy

All

49

NRj

1.80 ± 0.06

3.09 ± 0.10

–

–

–

0.5

3 (best)

LG

  

Forwards

27

NRj

1.81 ± 0.06

3.11 ± 0.11

–

–

–

   
  

Backs

22

NRj

1.78 ± 0.05

3.06 ± 0.09

–

–

–

   

Till et al. [103]

Academy

All

41

NRj

1.80 ± 0.06

3.11 ± 0.10

–

–

–

0.5

3 (best)

LG

 

Elite

All

19

NRj

1.79 ± 0.06

3.06 ± 0.10

–

–

–

   

18 years of age

Till et al. [61]

Academy

All

16

18.7 ± 0.2

1.81 ± 0.08

3.09 ± 0.13

–

–

–

0.5

3 (best)

LG

Kirkpatrick et al. [13]

Elite

Forwards

12

18.8 ± 1.1

2.06 ± 0.10

3.39 ± 0.17

–

5.80 ± 0.26

–

0.5

3 (best)

LG

  

Backs

12

18.7 ± 0.8

1.99 ± 0.6

3.26 ± 0.70

–

5.55 ± 0.13

–

   

Pearce et al. [72]

Academy

All

53

18.9 ± 0.6

–

–

4.21 ± 0.20

–

–

NR

3 (best)

LG

Till et al. [96]

Academy

All

39

NRk

1.82 ± 0.07

3.11 ± 0.12

–

–

–

0.5

3 (best)

LG

  

Forwards

23

NRk

1.83 ± 0.08

3.14 ± 0.12

–

–

–

   
  

Backs

16

NRk

1.79 ± 0.07

3.04 ± 0.08

–

–

–

   

Till et al. [103]

Academy

All

30

NRk

1.80 ± 0.05

3.10 ± 0.09

–

–

–

0.5

3 (best)

LG

 

Elite

All

19

NRk

1.80 ± 0.09

3.09 ± 0.14

–

–

–

   
  1. NR not reported, – not tested, All players combined across all positions, LG electronic light gates used for measuring sprint time, RG radar gun used for measuring sprint time
  2. aReported 95% confidence intervals, which were converted to standard deviation according to the Cochrane Handbook for Systematic Reviews of Interventions Version 5.1.0
  3. bPlayers classified as elite by definition used in this review but as ‘regional’ by the authors
  4. cPlayers classified as elite by definition used in this review but as ‘national’ by the authors
  5. dTotal sample size (all positions combined) was reported rather than independently for each position
  6. eSample age reported across multiple years, and across various playing positions (data allocated according to weighted mean age (15.8 years of age))
  7. fSample size for each sprint distance varied so data are reported separately for 10-m (n = 208), 20-m (n = 208), 30-m (n = 178), 40-m (n = 178) and 60-m (n = 178) sprint trials in order
  8. gAge provided categorically as under 14 years instead of being reported as mean ± standard deviation
  9. hAge provided categorically as under 15 years instead of being reported as mean ± standard deviation
  10. iAge provided categorically as under 16 years instead of being reported as mean ± standard deviation
  11. jAge provided categorically as under 17 years instead of being reported as mean ± standard deviation
  12. kAge provided categorically as under 18 years instead of being reported as mean ± standard deviation
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