Postural control mechanism during challenging upright standing: plasticity accompanied by motor development, growth, and prolonged practice of ballet

• Project/Area Number: 16K21416
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Multi-year Fund
• Research Field: Sports science; Developmental mechanisms and the body works
• Research Institution: Tokyo University of Science, Yamaguchi (2018-2019); The University of Tokyo (2017); Japan Women's College of Physical Education (2016)
• Principal Investigator: Oba Naoko 山陽小野田市立山口東京理科大学, 共通教育センター, 講師 (70762037)
• Project Period (FY): 2016-04-01 – 2020-03-31
• Project Status: Completed (Fiscal Year 2019)
• Budget Amount: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000); Fiscal Year 2019: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000); Fiscal Year 2018: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000); Fiscal Year 2017: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000); Fiscal Year 2016: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
• Keywords: 立位姿勢制御 / 小児 / 足圧中心動揺 / 発育発達 / 静的立位 / 制御効率 / 運動制御 / 運動効率 / 成人 / 両脚立位 / 片脚立位 / 立位 / 姿勢制御 / 筋活動 / 筋電図 / 動作分析 / 運動神経生理学 / スポーツバイオメカニクス

Outline of Final Research Achievements

The purpose of this study was to clarify postural control plasticity accompanied by motor growth and development. Four- to nine-year-old children maintained upright standing quietly on a force platform. We evaluated performance, cost and efficiency of postural control calculated by center of foot pressure. Results of this study suggest that, in preadolescent children at least, the cost of postural control decreases with age, and that upright stance has tendency to be controlled more efficiently with age.

Academic Significance and Societal Importance of the Research Achievements

本研究では、COPの標準偏差および平均速度を、それぞれ姿勢制御のパフォーマンスと制御コストと解釈し、その比から制御効率を評価した点、および制御効率が年齢とともに減少する傾向が示された点が新たな知見である。加齢や疾病にともなう姿勢制御の差異を評価する指標として有用である可能性が期待できる。

Research Products

• [Journal Article] Relationship between cerebral arterial inflow and venous outflow during dynamic supine exercise (2017)
  • Author(s): Kohei Sato, Naoko Oba, Takuro Washio, Hiroyuki Sasaki, Anna Oue, Aki Otsuki, Tomoko Sadamoto, Shigehiko Ogoh
  • Journal Title: Physiological Reports Volume: 5 Issue: 12 Pages: e13292-e13292
  • DOI: 10.14814/phy2.13292
  • Peer Reviewed / Open Access
• [Presentation] Effects of caffeine ingestion on executive function and cerebral perfusion (2017)
  • Author(s): Yoko Takagi, Kohei Sato, Naoko Oba, Tomoko Sadamoto, Soichi Ando
  • Organizer: 22nd Annual Congress of European College of Sports Science
  • Int'l Joint Research
• [Presentation] 足圧中心動揺による小児の安静立位姿勢制御の評価 (2016)
  • Author(s): 大庭尚子、山本暁生、萩尾耕太郎、 笹川俊、中澤公孝
  • Organizer: 第24回日本バイオメカニクス学会大会
  • Place of Presentation: 立命館大学びわこ・くさつキャンパス, 滋賀県草津市
  • Year and Date: 2016-09-12