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Table 5 Summary of impacts and collisions monitored by GPS units

From: The Use of Global Positioning and Accelerometer Systems in Age-Grade and Senior Rugby Union: A Systematic Review

Study Participants Forwards Backs
Coughlan et al. [23] 2 players (1 back and 1 forward) from an international team. Impacts 5–5.99 G
472
Impacts 6–6.49 G
132
Impacts 6.5–6.99 G
66
Impacts 7–7.99 G
103
Impacts 8–9.99 G
53
Impacts > 10 G
10
Impacts 5–5.99 G
353
Impacts 6–6.49 G
65
Impacts 6.5–6.99 G
48
Impacts 7–7.99 G
54
Impacts 8–9.99 G
40
Impacts > 10 G
13
Grainger et al. [53] 38 professional rugby union players from the English Premiership. Impacts 3.01–5 G
1836 ± 604
Impacts 5.01–7 G
811 ± 243
Impacts 7.01–9 G
301 ± 133
Impacts 9.01–11 G
114 ± 79
Impacts 11.01–13 G
48 ± 41
Impacts > 13 G
66 ± 44
Impacts 3.01–5 G
2054 ± 546
Impacts 5.01–7 G
857 ± 297
Impacts 7.01–9 G
312 ± 154
Impacts 9.01–11 G
118 ± 79
Impacts 11.01–13 G
47 ± 38
Impacts > 13 G
59 ± 40
Jones et al. [30] 36 professional rugby union players. Total Contactsmeasured using Catapults tackle detection metric
31 ± 14
Total Contactsmeasured using Catapults tackle detection metric
16 ± 7
Owen et al. [33] 33 professional rugby union players from a Super Rugby squad. 1st half only
Impacts 5–5.99 G
218 ± 89
Impacts 6–6.49 G
66 ± 36
Impacts 6.5–6.99 G
45 ± 26
Impacts 7–7.99 G
53 ± 29
Impacts 8–9.99 G
25 ± 11
Impacts > 10 G
10
1st half only
Impacts 5–5.99 G
176 ± 63
Impacts 6–6.49 G
51 ± 19
Impacts 6.5–6.99 G
35 ± 13
Impacts 7–7.99 G
43 ± 17
Impacts 8–9.99 G
22 ± 12
Impacts > 10 G
13
Pollard et al. [58] 22 players from an international rugby team. Collisions per min per position as detected by Statsport Software
0.5 ± 0.1
Collisions per min per position as detected by Statsport Software
0.3 ± 0.1
Reardon et al. [34] 36 professional rugby union players from a Guinness Pro 12 team. Collisions 2.5 G threshold
Prop—34 ± 11
Hooker—33 ± 9
Second row—35 ± 11
Back row—44 ± 10
Collision 3 G threshold
Scrum half—11 ± 6
Out-half—21 ± 7
Centre—20 ± 5
Wing—20 ± 5
Full back—21 ± 6
Suarez-Arrones et al. [26] 9 international rugby union players. Impacts 5–6 G
501.6 ± 106
Impacts 6–6.5 G
341.3 ± 219
Impacts 6.5–7 G
161.6 ± 107
Impacts 7–8 G
143.1 ± 122
Impacts 8–10 G
66.6 ± 48
Impacts > 10 G
10.4 ± 5
Impacts 5–6 G
382 ± 126
Impacts 6–6.5 G
326 ± 173
Impacts 6.5–7 G
54.3 ± 28.9
Impacts 7–8 G
29.8 ± 9
Impacts 8–10 G
35.2 ± 26
Impacts > 10 G
6.3 ± 4
Tee et al. [50] 19 professional rugby union players from a South African rugby team. Total Impacts > 5 G min1 1st half
8.7 ± 2.4
Total Impacts >  8 G min1 1st half
0.8 ± 0.3
Total Impacts > 5 G min1 2nd half
7.9 ± 3.2
Total Impacts > 8 G min1 2nd half
0.7 ± 0.3
Total Impacts > 5 G min1 1st half
10.0 ± 3.5
Total Impacts > 8 G min1 1st half
1.1 ± 0.3
Total Impacts > 5 G min1 2nd half
9.0 ± 3.0
Total Impacts > 8 G min1 2nd half
1.1 ± 0.4
Tee et al. [67] 19 professional rugby union players from a South African rugby team. Impacts > 5 G min1
8.3 ± 2.7
Impacts >  5 G min1
9.5 ± 3.1
Tee et al. [68] 19 professional rugby union players from a South African rugby team. Total Impacts > 5 G min1
10.0 ± 3
Total Impacts > 8 G min1
0.9 ± 0.4
Total Impacts > 5 G min1
9.5 ± 3.2
Total Impacts > 8 G min1
1.1 ± 0.4
Venter [25] 17 academy rugby union players from a South African team. Not all positions reported
Impacts > 5 G
Back row forwards—683.4 ± 295.04
Impacts > 10 G
Front row forwards—8 ± 4.58
Not all positions reported
Impacts > 5 G
Outside backs—474.33 ± 81.92
Impacts > 10 G
Inside backs—12.16 ± 3.18
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