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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

The integration of contextual priors and kinematic information during anticipation in skilled boxers : The role of video analysis

Skoghagen, Lina, Andersson, Lina January 2022 (has links)
The current study examined how repetitive exposure of an opponent’s stroke preferences on video affected the integration of contextual priors and kinematic information during anticipation in skilled boxers. We performed an experimental ingroup-design with a temporal-occlusion video-based anticipation task with repeated measures where 19 male skilled boxers (M = 22.95 age, SD = 4.26) classified as A boxers in Sweden participated in the study. The test represented three different stroke combinations divided into four tests and two exposure videos. Each test included 22 occluded clips divided into two blocks and each block contained six high-probability strokes, three moderate-probability strokes and two low- probability strokes. The participants were informed to answer which stroke they anticipated and how sure they were of their answer after each clip. Retrospective verbal reports were answered regarding what information the participants used to anticipate the strokes in the preceding test. The purpose of the exposure videos was to manipulate the participants’ to-be- anticipated action in favor of the opponent’s stroke preferences both when the opponent acted and did not act accordingly. The result indicated that participants learned kinematic information about the opponent by observing the opponent on video rather than learning about the opponent’s stroke preferences. Future research is needed to fully understand how contextual priors integrate with kinematic information in boxing. / Föreliggande studie undersökte hur repetitiv exponering av en motståndares slagpreferenser på video påverkade integrationen av kontextuell förhandsinformation och kinematisk information under antecipering hos skickliga boxare. Vi utförde en experimentell inomgruppsdesign med en videobaserad temporal-ocklusion anticiperingsuppgift med upprepade mätningar där 19 skickliga manliga boxare (M = 22.95 ålder, SD = 4.26) klassade som A-boxare i Sverige deltog i studien. Testet representerade tre olika slagkombinationer uppdelade i fyra tester och två exponerings videor. Varje test inkluderade 22 ockluderade klipp uppdelade i två block där varje block innehöll sex slag med hög sannolikhet, tre slag med måttlig sannolikhet och två slag med låg sannolikhet. Deltagarna informerades om att svara vilket slag de anteciperade och hur säkra de var på sitt svar efter varje klipp. Retrospektiva verbala rapporter besvarades angående vilken information deltagarna använde för att antecipera slagen i det föregående testen. Syftet med exponerings videorna var att manipulera deltagarnas antecipering till förmån för motståndarens slag preferenser både när motståndaren agerade och inte agerade därefter. Resultatet visade att deltagarna lärde sig kinematisk information om motståndaren genom att observera motståndaren på video snarare än att lära sig om motståndarens slag preferenser. Framtida forskning behövs för att öka förståelsen för hur kontextuell förhandsinformation integreras med kinematisk information i boxning.

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