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[{"key": "dc.contributor.advisor", "value": "Ahtiainen, Juha", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "Fleres, Luca", "language": "", "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2022-05-31T12:43:08Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2022-05-31T12:43:08Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2020", "language": "", "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/81376", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Sprinting is an essential skill in football, and it has been widely researched with special attention to\nlinear trajectories. The mechanics of sprinting and the running technique are unique to each player, but\nthere are anatomical and postural features that can have an impact on how a player runs, as is the case\nof lumbo-pelvic control and its positioning during sprinting. This study investigates whether pelvis\npositioning affects running mechanics and what changes might occur in the sprinting kinematics after\nan 8-week mobility intervention program aimed at optimizing lumbo-pelvic control.\nNinety-five active professional football players playing in the highest league in Finland were included\nin this study. They performed 2 maximal 30m sprints as a baseline, and the measurements were\nrepeated after 8 weeks. The players were given a mobility program and a series of progressive running\ndrills after the first data collection point with the aim of increasing lumbo-pelvic control and\nimproving running technique. The variables measured were top speed, horizontal force production,\nand kinematic analysis of the hip angles at touch down and toe-off. These two angles were then\nsummed to create one single score, which will be referred to as the kickback score. This score\nrepresents the quality of the running technique. Top speed and acceleration were measured with\nMusclelab laser gun using split times at the 5m, 10m, 15m, 20m, 25m, and 30m marks. Kinematic\nanalysis was performed using Kinovea motion analysis software.\nNo statistically significant change (-0.98% +/- 5.14%, p = 0.06) was observed in the kickback score\nfollowing the intervention. No statistically significant change was observed in top speed (0.06% +/-\n2.84%, p = 0.97). There was a statistically significant change in horizontal force (F0), which increased\nby 2,20% +/- 6.64% (p = 0.01). No correlation was found between the three variables.\nThis study demonstrated that 8 weeks of mobility and running technique protocols caused an increase\nin F0 even though no changes in running kinematics of professional footballers occurred. It also\nappears that changes in F0, top speed, and kickback mechanics are not associated with each other.\nPelvis anterior rotation causes a decrease in hip flexion of up to 10 degrees, which has the kinematic\nconsequence of creating a shorter path for vertical force production during sprinting. To the best of our\nknowledge, this study was the first to aim to induce changes in anatomical positioning and control of\nthe pelvis and to investigate its impact on force production during full speed running. As a result of\nthis study, some of the methods used for the kinematic analysis can be easily adopted by football\ncoaches without requiring much expertise and used as a tool for individualized programs that aim at\nincreasing running performance as well as injury prevention.", "language": "en", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by Miia Hakanen (mihakane@jyu.fi) on 2022-05-31T12:43:08Z\nNo. of bitstreams: 0", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2022-05-31T12:43:08Z (GMT). No. of bitstreams: 0\n Previous issue date: 2020", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "45", "language": "", "element": "format", "qualifier": "extent", "schema": "dc"}, {"key": "dc.format.mimetype", "value": "application/pdf", "language": null, "element": "format", "qualifier": "mimetype", "schema": "dc"}, {"key": "dc.language.iso", "value": "eng", "language": null, "element": "language", "qualifier": "iso", "schema": "dc"}, {"key": "dc.rights", "value": "In Copyright", "language": "en", "element": "rights", "qualifier": null, "schema": "dc"}, {"key": "dc.subject.other", "value": "running anatomy", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "sprinting kinetics", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "lumbo-pelvic control", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "Changes in sprinting kinematics after an 8-week intervention mobility program and its relationship with maximal speed and acceleration in professional football players", "language": "", "element": "title", "qualifier": null, "schema": "dc"}, {"key": "dc.type", "value": "master thesis", "language": null, "element": "type", "qualifier": null, "schema": "dc"}, {"key": "dc.identifier.urn", "value": "URN:NBN:fi:jyu-202205313000", "language": "", "element": "identifier", "qualifier": "urn", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Pro gradu -tutkielma", "language": "fi", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Master\u2019s thesis", "language": "en", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Liikuntatieteellinen tiedekunta", "language": "fi", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Faculty of Sport and Health Sciences", "language": "en", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Liikunta- ja terveystieteet", "language": "fi", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Sport and Health Sciences", "language": "en", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "Jyv\u00e4skyl\u00e4n yliopisto", "language": "fi", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "University of Jyv\u00e4skyl\u00e4", "language": "en", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Valmennus- ja testausoppi", "language": "fi", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Science in Sport Coaching and Fitness Testing", "language": "en", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "yvv.contractresearch.funding", "value": "0", "language": "", "element": "contractresearch", "qualifier": "funding", "schema": "yvv"}, {"key": "dc.type.coar", "value": "http://purl.org/coar/resource_type/c_bdcc", "language": null, "element": "type", "qualifier": "coar", "schema": "dc"}, {"key": "dc.rights.accesslevel", "value": "openAccess", "language": null, "element": "rights", "qualifier": "accesslevel", "schema": "dc"}, {"key": "dc.type.publication", "value": "masterThesis", "language": null, "element": "type", "qualifier": "publication", "schema": "dc"}, {"key": "dc.subject.oppiainekoodi", "value": "5013", "language": "", "element": "subject", "qualifier": "oppiainekoodi", "schema": "dc"}, {"key": "dc.subject.yso", "value": "juoksu", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "running", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.format.content", "value": "fulltext", "language": null, "element": "format", "qualifier": "content", "schema": "dc"}, {"key": "dc.rights.url", "value": "https://rightsstatements.org/page/InC/1.0/", "language": null, "element": "rights", "qualifier": "url", "schema": "dc"}, {"key": "dc.type.okm", "value": "G2", "language": null, "element": "type", "qualifier": "okm", "schema": "dc"}]
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