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Master Thesis

Évolution de l’accidentologie en parachutisme militaire à ouverture automatique, étude comparative descriptive entre deux systèmes de mise à terre : l’ensemble de parachutage individuel et l’ensemble de parachutage du combattant

Abstract : Since 1980, static line parachuting has been performed by the french Army with the « Individual parachuting system » (EPI). In 2011, a new parachute, with different features, as been put to use: the « fighter’s parachuting system » (EPC). To this day, no medical study has compared these two sets, especially concerning accident patterns. Our study aimed primarily at comparing the incidence of injuries between parachute jumps performed with EPI versus EPC : our main goal was to show if this new set was safer. Our secondary objective was to investigate injuries’ locations differencies between EPI and EPC, to determine whether the EPC had altered known injury patterns, or not. During our prospective observational study, we included all paratroopers who jumped with EPI and EPC from 1st, January, 2013 to 31st, December, 2015, in the French Military Paratrooper’s School, located in Pau. Every traumatic event from the plane’s exit to the landing zone, which required medical attention, was considered an injury. Using EPC has showed an injury-reducing tendency compared to the use of EPI (RR=0.81 ; p>0.05). On the EPI’s side, ankle remained the primary injury site, totalling 29,7% of injuries. On the EPC’s side, the shoulder was unexpectedly shown to be the main injured body site, accounting up to 28,4% of wounds (OR=2,83 ; p>0,05). However, the ankle came as the second most frequent location with EPC. Thus, the use of EPC seems to modify known static line injury patterns : it tends to reduce injuries’incidence and change their distribution, compared to EPI. We hypothesized that a poor grip of the EPC’s opening strap could likely be involved in the increase of shoulder injuries. Aiming to lower injury rates and considering our observations, the Army modified plane exit techniques. The consequences of theses measures on static line injury patterns remain to be seen.
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Master Thesis
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Marie Gosselin. Évolution de l’accidentologie en parachutisme militaire à ouverture automatique, étude comparative descriptive entre deux systèmes de mise à terre : l’ensemble de parachutage individuel et l’ensemble de parachutage du combattant. Médecine humaine et pathologie. 2018. ⟨dumas-01804065⟩

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