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Videoanalys av sekvenser i ishockey där en tackling resulterat i hjärnskakning
KTH, School of Technology and Health (STH).
KTH, School of Technology and Health (STH).
2017 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

There is a major issue with concussion within contact sports and one of these sports is ice hockey. Concussions have a negative effect on health and repeated concussions, which often occur in ice hockey, can force players to retire early. Since it is such a major problem that can result in serious consequences, a better understanding within the field is needed. This report has focused on speeds right before a player was tackled as well as the players contact body parts. The information was collected by analyzing 10 video clips where a tackle took place that resulted in a concussion. The video clips were analyzed using the software SkillSpector, where 3D speeds were collected for both the attacking and the injured players. The contact body parts were also identified during the analysis. The results were compared to a reference group from an earlier bachelor degree project where tackles that did not result in a concussion were analyzed. The conclusion from this project is that the speeds for the players in the interest group were proven to have a significantly higher mean speed than the players from the earlier project. Furthermore, the results indicate that the tackled players speed can have a larger impact on the outcome of the tackle than the speed of the attacking player. From the results in this project it is shown that, of the tackles that could lead to a concussion, shoulder to jaw was the most common combination.

Abstract [sv]

Det finns ett stort problem med hjärnskakningar inom kontaktsporter och en utav dessa sporter är ishockey. Hjärnskakningar påverkar hälsan negativt och vid upprepade hjärnskakningar, som ofta uppstår i ishockey, kan spelare tvingas förtidspensioneras. Eftersom att det är ett stort problem som kan ge allvarliga konsekvenser behövs en bättre förståelse inom ämnet. Denna rapport har fokuserat på att ta fram farter precis innan en tackling har skett samt spelarnas kontaktdelar (islagsdelar). Informationen har samlats in genom analysering av 10 stycken videoklipp där en tackling har resulterat i en hjärnskakning. Analysen av videoklippen genomfördes i mjukvaran SkillSpector där 3D farter har tagits fram för både den attackerande och skadade spelaren. Vid analyserna identifierades också islagsdelarna. Resultaten har jämförts med en referensgrupp från ett tidigare kandidatexamensarbete där tacklingar som inte resulterat i en hjärnskakning har analyserats. Slutsatsen från detta arbete är att farterna för spelarna i intressegruppen som drabbats av hjärnskakning hade en högre signifikant medelfart än motsvarande spelarna från det tidigare arbetet. Vidare indikerade resultaten att den tacklades fart är en faktor som kan ha en stor påverkan på utfallet av tacklingen. Från resultatet i detta arbete visas det att av tacklingar som kan leda till hjärnskakning är axel mot käke den vanligaste kombinationen. 

Place, publisher, year, edition, pages
2017. , p. 19
Series
TRITA-STH ; 64
Keyword [en]
concussion, Ice Hockey, SkillSpector, Video analysis, NHL, SHL
Keyword [sv]
Hjärnskakning, Ishockey, SkillSpector, Videoanalys, NHL, SHL
National Category
Medical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-210889OAI: oai:DiVA.org:kth-210889DiVA, id: diva2:1120716
Supervisors
Examiners
Available from: 2017-10-04 Created: 2017-07-06 Last updated: 2017-10-04Bibliographically approved

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