Table 1 Propensity for tackle-related HIAs as a function of body position, stratified by tackler and ball carrier
HIA events | Propensity (HIAs per 1,000 events) | |
|---|---|---|
Ball carrier | 35 | 0.59 (0.42–0.82) |
Tackler | 88 | 1.49 (1.21–1.84) |
Neither | 8 | NA |
Total (Tackler and Ball carrier) | 123 | 2.08 (1.75–2.47) |
Tackler body position All HIAs | ||
Upright | 84 | 2.89 (2.33–3.58) |
Bent at waist | 26 | 1.05 (0.71–1.54) |
Diving | 7 | 4.58 (2.18–9.61) |
Leaping | 6 | 7.56 (3.40-16.83) |
Flopping | 4 | 2.21 (0.83–5.89) |
Lying on the ball carrier | 0 | N/A |
Slipping/falling | 3 | 105.88 (34.15–328.30) |
Returning to feet | 0 | N/A |
Bent at the knees Other | 1 21 | 0.95 (0.13–6.74) 4.01 (2.61–6.15) |
Total | 131 | 2.22 (1.87–2.63) |
Tackler body position – tackler HIAs | ||
Upright | 55 | 1.89 (1.45–2.46) |
Bent at waist | 23 | 0.93 (0.62–1.40) |
Diving | 5 | 3.27 (1.36–7.86) |
Leaping | 3 | 3.78 (1.22–11.72) |
Flopping | 1 | 0.55 (0.08–3.90) |
Lying on the ball carrier | 0 | N/A |
Slipping/falling | 0 | N/A |
Returning to feet | 0 | N/A |
Bent at the knees | 1 | 0.95 (0.13–6.74) |
Total | 88 | 1.49 (1.21–1.84) |
Tackler body position – BC HIAs | ||
Upright | 27 | 0.93 (0.64–1.36) |
Bent at waist | 2 | 0.08 (0.02–0.32) |
Diving | 0 | N/A |
Leaping | 3 | 3.78 (1.22–11.72) |
Flopping | 2 | 1.10 (0.28–4.40) |
Lying on the ball carrier | 0 | N/A |
Slipping/falling | 1 | 35.29 (4.97-250.54) |
Returning to feet | 0 | N/A |
Bent at the knees | 0 | N/A |
Total | 35 | 0.59 (0.42–0.82) |
BC body position – All HIAs | ||
Upright | 104 | 2.40 (1.98–2.91) |
Bent at waist | 7 | 0.79 (0.38–1.66) |
Diving | 15 | 7.15 (4.31–11.86) |
Kicking | 0 | N/A |
On the ground | 2 | 2.08 (0.52–8.32) |
Jumping | 1 | 2.21 (0.31–15.69) |
Bent at the knees | 2 | 1.12 (0.28–4.48) |
Total | 131 | 2.22 (1.87–2.63) |
BC body position – tackler HIAs | ||
Upright | 75 | 1.73 (1.38–2.17) |
Bent at waist | 4 | 0.45 (0.17–1.20) |
Diving | 6 | 2.86 (1.28–6.37) |
Kicking | 0 | N/A |
On the ground | 1 | 1.04 (0.15–7.38) |
Jumping | 0 | N/A |
Bent at the knees | 2 | 1.12 (0.28–4.48) |
Total | 88 | 1.49 (1.21–1.84) |
BC body position – BC HIAs | ||
Upright | 27 | 0.62 (0.43–0.90) |
Bent at waist | 2 | 0.22 (0.06–0.88) |
Diving | 6 | 2.86 (1.28–6.37) |
Kicking | 0 | N/A |
On the ground | 0 | N/A |
Jumping | 0 | N/A |
Bent at the knees | 0 | N/A |
Total | 35 | 0.59 (0.42–0.82) |