局所用カルノシンゲルは,世界クラスのラグビー・セブンズ選手の中断的な高強度運動のパフォーマンスを改善します
C Martyn Beaven1, Carl James2, Daniel T McMaster3
1University of Waikato, Te Huataki Waiora School of Health, Tauranga, New Zealand.
Journal of the International Society of Sports Nutrition
|August 27, 2025
まとめ
局所カルノシンゲルは,高強度運動中のエリートラグビーセブンスの選手のピーク出力を強化しました. カーノシンゲルを確認するには,さらなる研究が必要です.
科学分野:
- スポーツ科学
- 運動 生理学
- 栄養補助食品
背景:
- 筋肉内でのカルノシン投与は,運動能力を改善する可能性があります.
- 局所用カルノシンゲルは,筋肉カルノシンレベルを高める潜在的な方法です.
研究 の 目的:
- ラグビー・セブンスの選手の断続的な高強度運動能力に対する局所カルノシンゲルの影響を調査する.
主な方法:
- 7人のエリートラグビー選手が トリプル・ブラインド・クロスオーバー研究に参加しました
- 選手は,サイクルのエルゴメーターで12回の最大強度のスプリントを完了する前に,カルノシンゲルまたはプラセボゲルを適用しました.
- ピークパワー,平均パワー,心拍数,知覚された運動の評価を測定した.
主要な成果:
- プラセボと比較して,局所カルノシンゲルは,スプリント2,4,7でピーク出力を有意に増加させた.
- 治療の間の平均出力,心拍数,または知覚された努力の評価において,有意な差異は認められなかった.
- ピークパワー改善の効果の大きさは,中等から大きなものであった.
結論:
- 局所カルノシンゲルは,エリートラグビー・セブンスの選手の無酸素エネルギー生産を効果的に強化しました.
- 局所カルノシンが筋肉内カルノシン濃度を増やし,無酸素性能をサポートするかどうかを確認するためにさらなる研究が推奨されます.
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