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Table 3 Characteristics of collisions during match-play recorded by video notational analysis

From: Quantifying the Collision Dose in Rugby League: A Systematic Review, Meta-analysis, and Critical Analysis

Study

Competition (season[s])

Positional group

Type of collision recorded

Frequency of collisions (n=) mean (±SD)

Relative frequency of collisions (n min−1=) mean (±SD)

Austin et al. [46]

NRL (2008)

Hit-up forwards

Tackles and ball carries

33.2 (NR)

NR

 

Adjustables

Tackles and ball carries

17.8 (NR)

NR

 

Outside backs

Tackles and ball carries

8.2 (NR)

NR

Cummins et al. [26]

NRL (NR)

Hit-up forwards

Tackles

21.5 (6.1)

0.52 (0.09)

  

Ball carries

8.9 (3.7)

0.20 (0.03)

  

Tackles and ball carries

30.5 (9.6)

0.78 (0.11)

 

Wide-running forwards

Tackles

20.6 (5.0)

0.39 (0.10)

  

Ball carries

7.9 (3.7)

0.20 (0.10)

  

Tackles and ball carries

29.8 (6.2)

0.57 (0.20)

 

Adjustables

Tackles

16.7 (12.8)

0.41 (0.20)

  

Ball carries

4.9 (4.6)

0.10 (0.00)

  

Tackles and ball carries

21.7 (12.3)

0.49 (0.20)

 

Outside backs

Tackles

7.0 (6.1)

0.08 (0.07)

  

Ball carries

11.2 (2.0)

0.10 (0.02)

  

Tackles and ball carries

18.3 (5.4)

0.21 (0.06)

Dempsey et al. [8]

SL (2011–2012)

Backs

Tackles

13.4 (9.5)

0.16 (0.11)

  

Ball carries

11.9 (5.2)

0.15 (0.08)

 

Forwards

Tackles

25.5 (8.4)

0.47 (0.23)

  

Ball carries

10.5 (3.6)

0.20 (0.10)

Fletcher et al. [70]

SL (2012)

Hit-up forwards

Tackles

24.0 (13.0)

NR

  

Ball carries

8.5 (5.0)

NR

  

Tackles and ball carries

32.0 (15.0)

0.60 (0.30)

 

Adjustables

Tackles

14.0 (12.0)

NR

  

Ball carries

4.0 (4.0)

NR

  

Tackles and ball carries

21.0 (12.0)

0.30 (0.30)

 

Outside backs

Tackles

8.0 (10.0)

NR

  

Ball carries

9.0 (4.0)

NR

  

Tackles and ball carries

19.0 (9.0)

0.30 (0.10)

Gabbett and Ryan [71]

NRL (2008–2009)

Team

Tackles

24.0 (NR)

NR

Gabbett et al. [49]

NRL (2008–2010)

Hit-up forwards

Tackles (total defensive)

23.0 (21.0,25.0)*

NR

  

Ball carries (total attack)

13.0 (11.0,15.0) *

NR

  

Tackles and ball carries

36.0 (32.0,40.0) *

NR

 

Wide-running forwards

Tackles (total defensive)

30.0 (26.0,34.0) *

NR

  

Ball carries (total attack)

17.0 (13.0,21.0) *

NR

  

Tackles and ball carries

47.0 (42.0,52.0) *

NR

 

Adjustables

Tackles (total defensive)

19.0 (15.0,23.0) *

NR

  

Ball carries (total attack)

10.0 (7.0,13.0) *

NR

  

Tackles and ball carries

29.0 (26.0,32.0) *

NR

 

Outside backs

Tackles

11.0 (9.0,13.0) *

NR

  

Ball carries

13.0 (12.0,14.0) *

NR

  

Tackles and ball carries

24.0 (22.0,27.0) *

NR

Gabbett et al. [50]

NRL (2008–2011)

Team

Tackles

17.1 (9.1)

NR

  

Ball carries

8.8 (2.8)

NR

King et al. [41]

International (2008)

Game

Tackles and ball carries

620.6 (NR)

NR

 

Backs

Tackles

377.0 (22.9)

NR

  

Ball carries

285.7 (21.6)

NR

 

Forwards

Tackles

623.0 (29.4)

NR

  

Ball carries

238.1 (19.6)

NR

 

Hit-up forwards

Tackles

386.5 (23.3)

NR

  

Ball carries

340.9 (32.4)

NR

 

Adjustables

Tackles

404.8 (23.8)

NR

  

Ball carries

224.3 (26.2)

NR

 

Outside backs

Tackles

208.6 (17.1)

NR

  

Ball carries

434.9 (36.6)

NR

NRL (2008)

Game

Tackles and ball carries

650.8 (NR)

NR

 

Backs

Tackles

343.6 (22.5)

NR

  

Ball carries

257.2 (19.8)

NR

 

Forwards

Tackles

656.4 (31.2)

NR

  

Ball carries

229.7 (18.7)

NR

 

Hit-up forwards

Tackles

378.5 (23.6)

NR

  

Ball carries

366.3 (34.1)

NR

 

Adjustables

Tackles

451.0 (25.7)

NR

  

Ball carries

199.1 (12.9)

NR

 

Outside backs

Tackles

170.5 (15.9)

NR

  

Ball carries

434.6 (37.0)

NR

King et al. [28]

NRL (NR)

Game

Tackles (completed)

590.0 (50.0)

NR

 

Backs

Tackles and ball carries (completed and missed)

14.6 (7.7)

NR

 

Forwards

Tackles and ball carries (completed and missed)

27.1 (8.3)

NR

McLellan and Lovell [60]

NRL (NR)

Team

Tackles

19.9 (10.5)

NR

  

Ball carries

12.2 (3.6)

NR

 

Backs

Tackles

10.7 (8.9)

NR

  

Ball carries

11.7 (4.6)

NR

 

Forwards

Tackles

26.1 (15.3)

NR

  

Ball carries

13.8 (5.2)

NR

McLellan et al. [38]

NRL (NR)

Team

Tackles

14.9 (10.5)

NR

  

Ball carries

10.2 (3.8)

NR

 

Backs

Tackles

10.7 (8.0)

NR

  

Ball carries

9.7 (3.5)

NR

 

Forwards

Tackles

20.1 (11.3)

NR

  

Ball carries

10.9 (4.2)

NR

Sirotic et al. [32]

NRL (2004–2005)

Team

Tackles

NR

0.25 (0.16)

  

Ball carries

NR

0.15 (0.08)

NSWCup (2004–2005)

Team

Tackles

NR

0.28 (0.16)

  

Ball carries

NR

0.15 (0.08)

Sirotic et al. [63]

NRL (2004–2005)

Backs

Tackles

NR

0.12 (0.09)

  

Ball carries

NR

0.11 (0.04)

 

Forwards

Tackles

NR

0.41 (0.07)

  

Ball carries

NR

0.25 (0.09)

Sperenza et al. [64]

QCup (2014)

Team

Tackles

18.0 (NR)

NR

 

Backs

Tackles

13.2 (8.5)

NR

 

Forwards

Tackles

24.3 (6.5)

NR

Twist et al. [66]

SL (2010)

Backs

Tackles

13.6 (7.9)

0.2 (0.10)

  

Ball carries

11.6 (3.4)

0.1 (0.04)

  

Tackles and ball carries

25.2 (8.0)

0.3 (0.10)

 

Forwards

Tackles

25.5 (13.7)

0.5 (0.20)

  

Ball carries

12.7 (6.1)

0.3 (0.10)

  

Tackles and ball carries

38.2 (18.7)

0.7 (0.30)

Woods et al. [1]

NRL (2016)

Game

Tackles

314.3 (15.9)

NR

  

Ball carries

164.3 (13.5)

NR

SL (2016)

Game

Tackles

336.1 (11.8)

NR

  

Ball carries

179.0 (8.1)

NR

Woods et al. [68]

NRL (2016)

Game

Tackles

325.0 (39.7)

NR

  

Ball carries

170.2 (19.8)

NR

NYC (2016)

Game

Tackles

283.4 (35.6)

NR

  

Ball carries

147.2 (17.4)

NR

  1. Data are reported as mean ± standard deviation (SD) unless otherwise stated. *Data are reported as mean (±95% confidence intervals) as SD was not able to be determined due to insufficient information. Game results for both teams involved at the game level, NR not reported, NRL National Rugby League, NYC National Youth Competition, NSWCup New South Wales Cup, QCup Queensland Cup, SL Super League, Team results at the individual team level