ビートジュースかクレアチン:レジスタンストレーニングの能力,パフォーマンス,重要な生理学的反応に対して,短期的に大きな利益をもたらすものはどれか?
Achraf Ammar1,2,3, Atef Salem1,2, Mohamed Kerkeni2,4
1Department of Training and Movement Science, Institute of Sport Science, Johannes Gutenberg-University Mainz, Mainz, Germany.
International journal of food sciences and nutrition
|February 17, 2026
まとめ
クレアチン (CR) サプリメントはレジスタンストレーニングのパフォーマンスを向上させ,ビートジュース (BJ) は運動速度を向上させ,よりよい酸素飽和度および心拍の回復を含むより広範な生理学的利点を提供しました.
科学分野:
- 運動生理学 運動生理学
- 栄養バイオケミストリー
- スポーツ科学 スポーツ科学
背景:
- クレアチン (CR) とビートジュース (BJ) は,運動パフォーマンスを高めるための人気のサプリメントです.
- 抵抗トレーニングに対するそれらの独特の生理学的効果を理解することは,運動戦略の最適化に不可欠です.
研究 の 目的:
- クレアチン (CR) とビートジュース (BJ) のレジスタンストレーニングのパフォーマンスと生理学的反応に対する短期効果を比較する.
- 筋内酸素飽和度 (SmO2),心拍数 (HR),心拍数変動 (HRV) に対するCRとBJの影響を評価する.
主な方法:
- 抗力訓練を受けた11人の初心者の男性を対象としたランダム化対照クロスオーバー試験.
- 参加者は,ベンチプレスとバックスクワットのセットをクレアチン,ビートジュース,プラセボの条件で完了しました.
- 評価されたパフォーマンス,SmO2,ピークHR,HRV,個別の適応パターンとともに.
主要な成果:
- クレアチンは,プラセボと比較して,ベンチプレスで80%の1RMで繰り返しパフォーマンスを有意に改善しました.
- CRとBJの両方が運動速度を高め,BJはより優れた効果を示しました.
- ビートジュースは,プラセボとクレアチンと比較して,より高いSmO2,より低いピークHR,および改善された自律回復 (RMSSD) をもたらしました.
- 調節分析は,BJ補充でより大きな個々の適応を明らかにしました.
結論:
- クレアチンサプリメントは,レジスタンストレーニングにおける機械的パフォーマンスを優遇的に高めます.
- ビートジュースは,運動速度の改善とともに,より広範な心代謝および自律的利点を提供します.
- BJは,RCと比較して,抵抗訓練を受けた初心者の個体において,より顕著で広範な生理学的適応を誘発する可能性があります.
関連する概念動画
Exercise and Muscle Performance
2.7K
Exercise induces a range of adaptations in muscle tissue, depending on the type and duration of activity. Such physical training can be broadly categorized into two types: endurance exercises and resistance exercises.
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
2.7K
Exercise and Cardiovascular Response
4.7K
Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
4.7K
Muscle Recovery and Fatigue
4.4K
Muscle fatigue refers to the decline in a muscle's ability to maintain the force of contraction after prolonged activity. It primarily stems from changes within muscle fibers. Even before experiencing muscle fatigue, one may feel tired and have the urge to stop the activity. This response, known as central fatigue, occurs due to changes in the central nervous system, namely the brain and spinal cord. While there is no single mechanism that induces fatigue, it may serve as a protective...
4.4K
Exercise and Cardiac Output
2.2K
Regular physical activity is essential for maintaining cardiovascular health, with aerobic exercises being particularly effective. According to the American Heart Association, 150 minutes of moderate to intense aerobic exercise per week is recommended for a healthy heart. Aerobic activities may include brisk walking, running, bicycling, cross-country skiing, and swimming, ideally performed three to five times per week.
Sustained exercise increases the muscles' oxygen demand, which can be...
Sustained exercise increases the muscles' oxygen demand, which can be...
2.2K
Energy Supply for Muscle Contraction
5.9K
Skeletal muscle fibers have the unique ability to switch between rest and contraction states, using different sources of ATP for energy. The contraction cycle and Ca2+ transport back into the sarcoplasmic reticulum for relaxation require significant ATP. However, the ATP reserves in muscle fibers are limited and can only sustain contractions for a few seconds. Additional ATP production becomes necessary for prolonged contractions. As a result, muscle fibers generate ATP through various sources,...
5.9K


