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Table 4 Total x-patch™-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)