Neural modulation of postural regulation in stroke using lumbar motor unit excitability

2022 Fiscal Year Final Research Report

• Project/Area Number: 20K23260
• Research Category: Grant-in-Aid for Research Activity Start-up
• Allocation Type: Multi-year Fund
• Review Section: 0909:Sports sciences, physical education, health sciences, and related fields
• Research Institution: University of Human Arts and Sciences
• Principal Investigator: Hanawa Hiroki 人間総合科学大学, 保健医療学部, 助教 (00884032)
• Project Period (FY): 2020-09-11 – 2023-03-31
• Keywords: リハビリテーション / 理学療法 / 運動単位 / 表面筋電図 / 動作分析 / モーションキャプチャ

Outline of Final Research Achievements

In healthy adults standing on their toes, the number of motor unit mobilisations (i.e. the number of motor nerve activities) of the plantarflexor ankle muscles was found to increase when the knee joint was immobilised. This is an event that is not known when muscle activity is combined as a compound action potential and suggests the need for a more detailed study. On the other hand, the activity characteristics of trunk muscle motor units in response to postural maintenance and electrical stimulation in stroke patients could not be verified due to the effect of the new coronavirus.

Free Research Field

応用健康科学

Academic Significance and Societal Importance of the Research Achievements

リハビリテーションの視点から姿勢保持にかかわる筋の運動単位活動特性（つまり、運動神経の興奮特性）を検証できた点は独創的であり、価値があった。実験結果もさることながら、先行研究に乏しい姿勢保持に係る筋の運動単位をいかに効率よく抽出できるか、その実験手法を確立した点は類似研究を発展させる意味で意義深い。