Hannan Mullet

Comment Video analysis of shoulder dislocations in rugby

In this paper we analysed the mechanism of injury sustained by rugby players. We sourced videos involving elite rugby players.We identified 4 distinct injury mechanisms. The previously described mechanisms ‘‘try scorer,’’ ‘‘tackler,’’ and ‘‘direct impact’’ were identified in 67% of cases. We describe a new injury mechanism occurring in the ‘‘poach position,’’ accounting for 18% of all shoulder dislocations studied. The remaining 15% could not be categorized. Shoulder dislocations occurred to a ball carrier in 15% of cases (n = 6) and a non–ball carrier in 85% of cases (n = 33). The injury most commonly occurred during a tackle (49%; n = 19) followed by ruck/maul (26%; n = 10). Time of injury showed that 36% (n = 14) of cases occurred in the last quarter of the game.

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