한국운동역학회지 (Korean Journal of Applied Biomechanics)

  • 제26권4호
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  • Pages.427-432
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  • 2016
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  • 1226-2226(pISSN)
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  • 2093-9752(eISSN)
한국운동역학회 (Korean Society of Applied Biomechanics)
권호 표지
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Analysis of Postural Stability in Response to External Perturbation Intensity in Dancers and Non-dancers

  • Park, Da Won (Department of Physical Education, Hanyang University) ;
  • Koh, Kyung (The Movement Science Center of Research Institute for Sports Science and Sports Industry, Hanyang University) ;
  • Lee, Sung Ro (Department of Physical Education, Hanyang University) ;
  • Park, Yang Sun (Department of Physical Education, Hanyang University) ;
  • Shim, Jae Kun (Department of Kinesiology, University of Maryland, College Park)
  • 투고 : 2016.12.01
  • 심사 : 2017.01.01
  • 발행 : 2016.12.31
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초록

Objective: The goal of this study was to systematically investigate the postural stability of dancers by providing unexpected perturbations. Method: Six female dancers and college students participated in this study. Unpredictable wait-pull balance perturbations in the anterior direction were provided to the participants during standing. Three different perturbation intensities (low, moderate, and high intensity) were used by increasing perturbation forces. Spatial and temporal stability of postural control were measured by using margin of stability (MoS) and time to contact (TtC), respectively. Results: Both MoS and TtC at moderate intensity were significantly greater in the dancer group than in the control group, but no significant differences were found at low and high intensities between the groups. Conclusion: The present study showed spatial and temporal stability of dynamic postural control in dancers. We found that the dancers were more spatially and temporally stable than the ordinary participants in response to unexpected external perturbation when the perturbation intensity was moderate at two extreme intensity levels (low and high).

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참고문헌

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