A modelisation of quantification of head and neck risks associated with tackles in rugby union

Figures & data

Figure 1. A) Simulation with 0° angle of pre-tackling, B) Simulation with 35° angle of pre-tackling, C) Tackler and ball carrier models initial position, D) linear acceleration representation for simulation of small BMIs.

Table 1. Influences of the pre-tackle angle on neck forces, linear and angular acceleration for BC and T.

Pre-tackle angle		Neck Force (N)	Linear Acceleration (g)	Angular acceleration (rad.s^-2)	HIC15ms(g.s-1)
0°		1602.6 ± 88	47.8 ± 4	2092.7 ± 387	186.8 ± 34
35°		1827.6 ± 584	42 ± 9	1948.9 ± 385	166 ± 29
80°		1431 ± 279	33.8 ± 4	1518.7 ± 230	82.4 ± 29
0°		2370.9 ± 243	54.2 ± 74	1527.6 ± 578	35.8 ± 15
35°		1740.9 ± 321	101.4 ± 72	3391.8 ± 1532	68.6 ± 61
80°		1531.1 ± 289	58.5 ± 36	3892.8 ± 4228	46.7 ± 47

Figure 2. HIC of BC (top) and T (bottom) depending of the BMI of each player.