PROBLEM TO BE SOLVED: To provide a motor control function improving agent that improves motor control functions which have deteriorated due to aging or fatigue, and a method for evaluating or selecting the motor control function improving agent.SOLUTION: Provided is a motor control function improving agent that comprises a GIP function inhibitor as an active component.SELECTED DRAWING: None【課題】加齢や疲労により低下した運動調節機能を向上させる運動調節機能向上剤、当該運動調節機能向上剤の評価又は選択方法の提供。【解決手段】GIP機能阻害剤を有効成分とする運動調節機能向上剤。【選択図】なし