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Table 4 Total x-patchâ„¢-recorded impacts per play

From: Verifying Head Impacts Recorded by a Wearable Sensor using Video Footage in Rugby League: a Preliminary Study

Impact-recorded type of play

One hit-up

One tackle

Total

Two hit-up

Two tackle

Total

Three hit-up

Three tackle

Total

Four hit-up

Four tackle

Total

One off the ball

Two off the ball

Total

Week 1

26 (10, 16)

15 (7, 8)

41 (17, 24)

7 (4, 3)

1 (1, 0)

8 (5,3)

0 (0,0)

0 (0,0)

0 (0,0)

0 (0,0)

0 (0,0)

0 (0,0)

2 (1,1)

0 (0,0)

2 (1,1)

Week 2

18 (8,10)

17 (15,2)

35 (23,12)

1 (0,1)

1 (1,0)

2 (1,1)

0 (0,0)

0 (0,0)

0 (0,0)

0 (0,0)

0 (0,0)

0 (0,0)

1 (0,1)

0 (0,0)

1 (0,1)

Week 3

9 (5,4)

30 (23,7)

39 (28,11)

1 (1,0)

2 (0,2)

3 (1,2)

0 (0,0)

0 (0,0)

0 (0,0)

0 (0,0)

0 (0,0)

0 (0,0)

1 (1,0)

1

2 (1,1)

Week 4

24 (11,13)

32 (28,4)

56 (39,17)

4 (2,2)

6 (5,1)

10 (7,3)

0 (0,0)

1 (1,0)

1 (1,0)

0 (0,0)

0 (0,0)

0 (0,0)

2 (0,2)

0 (0,0)

2 (0,2)

Week 5

11 (6,5)

15 (11,4)

26 (17,9)

5 (3,2)

2 (2,0)

7 (5,2)

1 (1,0)

1 (0,1)

2 (1,1)

2 (2,0)

0 (0,0)

2 (2,0)

2 (0,2)

0 (0,0)

2 (0,2)

Week 6

22 (10,12)

30 (19,11)

52 (29,23)

6 (2,4)

8 (6,2)

14 (8,2)

0 (0,0)

1 (1,0)

1 (1,0)

0 (0,0)

0 (0,0)

0 (0,0)

4 (2,2)

0 (0,0)

4 (2,2)

Week 7

14 (7,7)

16 (15,1)

30 (22,8)

4 (2,2)

1 (1,0)

5 (3,2)

1 (0,1)

0 (0,0)

1 (0,1)

0 (0,0)

0 (0,0)

0 (0,0)

3 (1,2)

0 (0,0)

3 (1,2)

Week 8

28 (17,11)

7 (4,3)

35 (21,14)

2 (1,1)

2 (2,0)

4 (3,1)

3 (1,2)

1 (1,0)

4 (2,2)

0 (0,0)

0 (0,0)

0 (0,0)

3 (0,3)

0 (0,0)

3 (0,3)

Week 9

10 (5,5)

14 (5,9)

24 (10,14)

4 (1,3)

1 (1,0)

5 (2,3)

1 (0,1)

0 (0,0)

1 (0,1)

0 (0,0)

0 (0,0)

0 (0,0)

2 (0,2)

0 (0,0)

2 (0,2)

Week 10

9 (1,8)

4 (1,3)

13 (2,11)

2 (0,2)

0 (0,0)

2 (0,2)

0 (0,0)

0 (0,0)

0 (0,0)

0 (0,0)

0 (0,0)

0 (0,0)

2 (0,2)

0 (0,0)

2 (0,2)

Week 11

13 (1,12)

5 (3,2)

18 (4,14)

2 (0,2)

1 (0,1)

3 (0,3)

0 (0,0)

0 (0,0)

0 (0,0)

0 (0,0)

0 (0,0)

0 (0,0)

3 (0,3)

0 (0,0)

3 (0,3)

Week 12

20 (10,10)

7 (4,3)

27 (14,13)

3 (1,2)

2 (0,2)

5 (1,4)

1 (0,1)

0 (0,0)

1 (0,1)

0 (0,0)

0 (0,0)

0 (0,0)

1 (0,1)

0 (0,0)

1 (0,1)

Week 13

9 (4,5)

10 (3,7)

29 (7,22)

0 (0,0)

0 (0,0)

0 (0,0)

1 (1,0)

0 (0,0)

1 (1,0)

0 (0,0)

0 (0,0)

0 (0,0)

2 (1,1)

0 (0,0)

2 (1.1)

Week 14

7 (4,3)

15 (13,2)

22 (17,5)

2 (1,1)

5 (5,0)

7 (6,1)

0 (0,0)

1 (0,1)

1 (0,1)

0 (0,0)

0 (0,0)

0 (0,0)

2 (1,1)

0 (0,0)

2 (1,1)

Week 15

13 (3,10)

13 (12,1)

26 (15,11)

3 (2,1)

3 (2,1)

6 (4,2)

0 (0,0)

0 (0,0)

0 (0,0)

0 (0,0)

0 (0,0)

0 (0,0)

0 (0,0)

0 (0,0)

0 (0,0)

Week 16

8 (3,5)

9 (9,0)

17 (12,5)

2 (1,1)

0 (0,0)

2 (1,1)

2 (2,0)

0 (0,0)

2 (2,0)

0 (0,0)

0 (0,0)

0 (0,0)

1 (1,0)

0 (0,0)

1 (1,0)

Total

241 (105,136)

239 (172,67)

480 (277,203)

48 (21,27)

35 (26,9)

83 (47,36)

10 (5,5)

5 (3,2)

15 (8,7)

2 (1,1)

0 (0,0)

2 (1,1)

31 (8,23)

1 (0,1)

32 (8,24)

Average/week

15.1 (6.6,8.5)

14.9 (10.8,4.2)

30 (15.4,12.7)

3 (1.3,1.7)

2.2 (1.6,0.6)

5.2 (2.9,2.3)

0.6 (0.3,0.3)

0.3 (0.2,0.1)

0.9 (0.5,0.4)

0.1 (0.1,0.1)

0 (0,0)

0.1 (0.1,0.1)

1.9 (0.5,1.4)

0 (0,0.1)

2 (0.5,1.5)

  1. Data in the parentheses are for forwards and backs, as follows: (forwards, backs)