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[{"key": "dc.contributor.advisor", "value": "Avela, Janne", "language": null, "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.advisor", "value": "Jarske, Heidi", "language": null, "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "Sciberras, Chanelle", "language": "", "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2024-06-17T09:20:24Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2024-06-17T09:20:24Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2024", "language": null, "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/95953", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "INTRODUCTION. Muscle weakness and biomechanical alterations have been \nrecognized as risk factors for various running-related injuries (RRIs), fuelling a growing \ninterest in understanding the relationship between strength and running biomechanics. \nWhile existing research has predominantly focused on the relationship between hip \nstrength and kinematics, other potential associations remain largely unexplored. \nMoreover, many studies have employed isometric strength testing, which may not \naccurately reflect muscle function during running. Notably, there is a lack of research on \nnovice runners, despite their heightened susceptibility to RRIs. Consequently, the \npurpose of this thesis is to investigate the association between lower-limb isokinetic \nstrength and running kinematics in healthy novice runners. \nMETHODS. 10 male and 10 female novice runners participated in this study. 3D \nrunning kinematic data was collected using a marker-based motion capture system \n(Vicon). Peak isokinetic strength of the hip abductors and adductors, knee flexors and \nextensors, as well as the ankle plantarflexors, dorsiflexors, invertors and evertors was \nmeasured using an isokinetic dynamometer (Biodex System 4 Pro). Spearman \ncorrelation coefficients were used to determine the relationship between lower-limb \nisokinetic strength and stance phase running kinematics. \nRESULTS. Isokinetic hip abductor strength was significantly correlated to frontal plane \nhip kinematics in male novice runners (toe-off angle: r = -0.620, p = 0.004; minimum \nangle: r = -0.624, p = 0.003), but no such correlations were found in females. Overall, \nthe findings do not support the notion that isokinetic hip abduction strength is correlated \nwith knee kinematics in healthy novice runners. Hip adduction strength was associated \nwith several frontal plane ankle kinematics in both male (initial contact angle: r = - \n0.650, p = 0.002; toe-off angle: r = -0.534, p = 0.015; maximum angle: r = -0.546, p = \n0.013; minimum angle: r = -0.710, p =< 0.001) and female novice runners (toe-off \nangle: r = -0.710, p = <0.001; minimum angle: r = -0.517, p = 0.020; range of motion \n(ROM): r = 0.579; p = 0.007). Additionally, knee flexion strength was associated with \ngreater knee adduction in the male runners (initial contact angle: r = 0.486, p = 0.030; \ntoe-off angle: r = 0.571, p = 0.008; maximum angle: r = 0.564, p = 0.010; minimum \nangle: r = 0.459, p = 0.042), as well as a larger peak knee flexion angle (r = 0.617, p = \n0.004) and increased sagittal plane ankle ROM (r = 0.465, p = 0.039) in the female \nrunners. Furthermore, concentric ankle strength exhibited several significant \ncorrelations with running kinematics at the hip, knee and ankle in novice runners. \nDISCUSSION. Male and female novice runners displayed distinct associations between \nlower-limb strength and running kinematics. Several significant correlations were \nidentified between lower-limb isokinetic strength and injury-related kinematic \nparameters. Additionally, the findings suggest that strengthening the muscles of the foot \nand ankle, which has been shown to reduce RRIs, may also impact joint mechanics \nhigher up the kinematic chain. Further research is needed to validate these results and \nassess the efficacy of lower-limb strengthening in altering running kinematics and \nmitigating the risk of RRIs.", "language": "en", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by Miia Hakanen (mihakane@jyu.fi) on 2024-06-17T09:20:24Z\nNo. of bitstreams: 0", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2024-06-17T09:20:24Z (GMT). No. of bitstreams: 0\n Previous issue date: 2024", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "131", "language": "", "element": "format", "qualifier": "extent", "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": "lower-limb strength", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "novice runners", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "isokinetic testing", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "Investigating the Relationship Between Leg Strength and Running Kinematics in Healthy Novice Runners", "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-202406174719", "language": null, "element": "identifier", "qualifier": "urn", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Master\u2019s thesis", "language": "en", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Pro gradu -tutkielma", "language": "fi", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Faculty of Sport and Health Sciences", "language": "en", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Liikuntatieteellinen tiedekunta", "language": "fi", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Sport and Health Sciences", "language": "en", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Liikunta- ja terveystieteet", "language": "fi", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "University of Jyv\u00e4skyl\u00e4", "language": "en", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "Jyv\u00e4skyl\u00e4n yliopisto", "language": "fi", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Biomechanics", "language": "en", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Biomekaniikka", "language": "fi", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "yvv.contractresearch.collaborator", "value": "public", "language": "", "element": "contractresearch", "qualifier": "collaborator", "schema": "yvv"}, {"key": "yvv.contractresearch.funding", "value": "500", "language": "", "element": "contractresearch", "qualifier": "funding", "schema": "yvv"}, {"key": "yvv.contractresearch.initiative", "value": "university", "language": "", "element": "contractresearch", "qualifier": "initiative", "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": "5012", "language": null, "element": "subject", "qualifier": "oppiainekoodi", "schema": "dc"}, {"key": "dc.subject.yso", "value": "biomekaniikka", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "juoksu", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "liikeoppi", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "juoksijat", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "biomechanics", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "running", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "kinematics", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "runners (athletes)", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.rights.url", "value": "https://rightsstatements.org/page/InC/1.0/", "language": null, "element": "rights", "qualifier": "url", "schema": "dc"}]
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