Anticipatory postural control and event related potential in arm movements started by muscle relaxation

2016 Fiscal Year Final Research Report

• Project/Area Number: 15K16490
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Multi-year Fund
• Research Field: Sports science
• Research Institution: Sapporo International University
• Principal Investigator: ANAN Koji 札幌国際大学, スポーツ人間学部, 講師 (00553851)
• Project Period (FY): 2015-04-01 – 2017-03-31
• Keywords: 上肢運動 / 筋収縮 / 筋弛緩 / 姿勢制御 / 注意 / 運動準備 / 切り替え / スポーツ生理学

Outline of Final Research Achievements

The differences in postural control to moderate any postural disturbances caused by the arm movements and attention and/or motor preparation just before arm movement were investigated between arm movements which is started by muscle contraction or relaxation. No significant differences were found in the attention and/or motor preparation and reaction time between these arm movement tasks. Onset time of postural muscle change was significantly later during the arm movement with muscle contraction than that with relaxation. This may be related to the difference of the movement speed. In the future study, the speed should be taken into consideration when the differences between the movements started by muscle contraction or relaxation is investigated.

Free Research Field

運動生理学