慢性足関節不安定症における進行性バランス運動による運動皮質興奮性の変化:ランダム化臨床試験
Mahdis Purzolfi1, Cyrus Taghizadeh Delkhoush1,2, Majid Mirmohammadkhani3
1Department of Physical Therapy, School of Rehabilitation Sciences, Semnan University of Medical Sciences, Semnan, Iran.
Brain and behavior
|January 30, 2026
まとめ
進行性バランス運動は、慢性足関節不安定症患者の長腓骨筋の運動皮質興奮性を高めた。この6週間の介入により、姿勢安定性制御と運動学習が改善された。
科学分野:
- 神経科学
- スポーツ医学
- リハビリテーション
背景:
- 進行性バランス運動は、姿勢安定性学習中の運動皮質興奮性に影響を与える可能性がある。
- 慢性足関節不安定症(CAI)は姿勢制御に影響を与え、標的を絞った介入から恩恵を受ける可能性がある。
- CAIにおけるリハビリテーション戦略の最適化には、運動皮質興奮性の変化を理解することが重要である。
研究 の 目的:
- CAI患者における長腓骨筋の運動皮質興奮性に対する6週間の進行性バランス運動の効果を調査する。
- 活動性および安静時運動皮質閾値、運動誘発電位、皮質サイレント期間の変化を評価する。
- これらの変化を介入群と対照群の間で比較する。
主な方法:
- CAIと診断された参加者によるランダム化比較試験。
- 介入群は6週間、隔日で進行性バランス運動を実施した。
- 対照群は日常活動を維持した。運動皮質興奮性は経頭蓋磁気刺激法と筋電図を用いて測定した。
主要な成果:
- 長腓骨筋における運動皮質閾値および皮質サイレント期間の有意な低下(p < 0.001)。
- 長腓骨筋の正規化運動誘発電位の有意な増加(p < 0.001)。
- 運動皮質興奮性アウトカムにおける群内および群間測定間の有意な交互作用効果(p < 0.001)。
結論:
- 6週間の進行性バランス運動は、CAI患者の長腓骨筋の運動皮質興奮性を著しく高める。
- これらの所見は、バランス訓練が足関節の安定性に関与する神経経路を調節できることを示唆している。
- 進行性バランス運動は、慢性足関節不安定症における神経筋制御を改善するための実行可能な治療アプローチを表す。
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