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dc.contributor.author고지현-
dc.date.accessioned2019-02-26T07:21:03Z-
dc.date.available2019-02-26T07:21:03Z-
dc.date.issued2017-10-
dc.identifier.citationHUMAN MOVEMENT SCIENCE, v. 55, Page. 255-263en_US
dc.identifier.issn0167-9457-
dc.identifier.issn1872-7646-
dc.identifier.urihttps://www.sciencedirect.com/science/article/pii/S0167945717301756-
dc.identifier.urihttps://repository.hanyang.ac.kr/handle/20.500.11754/99235-
dc.description.abstractThe purpose of the experiment was to investigate whether skill level differentially organizes the coordination of the postural system and upper limb kinematics in a pistol-aiming task. Participants aimed an air-pistol at a target center in 30 s trials as accurately as possible while standing on a force platform with shooting arm joint kinematics recorded. The novice group had greater motion of the pistol end point, arm joints and the center of pressure than the skilled group. Principal components analysis (PCA) showed that the skilled group required 2 components as opposed to the 3 components of the novice group to accommodate the variance. Coherence analysis in the 0-1 Hz bandwidth revealed that the coupling between posture and upper-limb movement was stronger in the skilled than the novice group. The findings are consistent with the view that skill acquisition reduces the kinematic variables into a lower dimensional functional unit that in pistol-aiming is defined over the collective posture and upper-limb system.en_US
dc.description.sponsorshipThis work was supported by the Ministry of Education of the Republic of Korea and the National Research Foundation of Korea (NRF-2016S1A5B5A01023821).en_US
dc.language.isoen_USen_US
dc.publisherELSEVIER SCIENCE BVen_US
dc.subjectPostural controlen_US
dc.subjectArm movementen_US
dc.subjectPistol-aimingen_US
dc.subjectPCAen_US
dc.titleSkill level constrains the coordination of posture and upper-limb movement in a pistol-aiming tasken_US
dc.typeArticleen_US
dc.identifier.doi10.1016/j.humov.2017.08.017-
dc.relation.journalHUMAN MOVEMENT SCIENCE-
dc.contributor.googleauthorKo, Ji Hynu-
dc.contributor.googleauthorHan, Dong Wook-
dc.contributor.googleauthorNewell, Karl M.-
dc.relation.code2017002040-
dc.sector.campusE-
dc.sector.daehakCOLLEGE OF SPORTS AND ARTS[E]-
dc.sector.departmentDIVISION OF SPORT SCIENCE-
dc.identifier.pidcozy1123-
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