急性および中程度のカフェイン用量がスポーツクライミングパフォーマンスに及ぼす影響:ランダム化比較試験
Alejandra Ruiz-López1, Juan Jesús Montalvo-Alonso1, Iván Martín-Rivas1
1Departmento de Ciencias Biomédicas, Área de Educación Física y Deportiva, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Madrid, Spain.
Nutrients
|January 28, 2026
まとめ
低用量(3 mg/kg)のカフェインは、プルアップまたはグリップテストにおけるクライマーのパフォーマンスを向上させませんでした。主観的なエネルギー感は増加しましたが、筋力と持久力の客観的な指標はカフェイン補給の影響を受けませんでした。
科学分野:
- スポーツ科学
- 運動生理学
- 栄養補助食品
背景:
- カフェインは様々なスポーツにおいて既知のエルゴジェニック補助薬ですが、スポーツクライミングへの影響は十分に研究されていません。
- スポーツクライミングは、握力、パワー、筋持久力などの独自の身体的特性を要求します。
- この研究は、クライミング固有のパフォーマンス測定値に対する低用量カフェインの影響を調査します。
主な方法:
- 13人の中間から上級の男性クライマーを対象に、トリプルブラインド、ランダム化、クロスオーバーデザインを採用しました。
- 参加者は、カフェイン(3 mg/kg)とプラセボの2つの試験を完了しました。
- パフォーマンスは、プルアップテスト(1RM、パワー、持久力)およびグリップテスト(デッドハング時間、筋力、RFD)を使用して測定されました。
結論:
- 3 mg/kgのカフェイン用量は、クライマーのプルアップまたはグリップパフォーマンスに対して、統計的または実質的に有意なエルゴジェニック利点を提供しません。
- カフェインは主観的な精神生理学的状態を変化させましたが、客観的なパフォーマンスの向上にはつながりませんでした。
- 今後の研究では、より高用量のカフェインまたはクライマー向けの異なるスポーツ固有のパフォーマンステストを検討する必要があります。
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