#power output

1 article

A landscape editorial photograph with a modern, clean magazine feel, shot on a pale warm-gray concrete surface in soft natural window light from the left. In the foreground, two matte white ceramic espresso cups sit side by side. The left cup holds a small amount of dark espresso with golden crema. The right cup is filled twice as high. Beside them, two small stainless steel scoops hold fine coffee-colored powder, one half full and one heaped, suggesting a dose comparison without any text or labels. A pair of worn red leather boxing gloves rests slightly out of focus behind the cups, laces loosely draped, with a white hand wrap rolled neatly beside them. A minimalist digital kitchen scale in matte black sits at the edge of the frame, with a few roasted coffee beans scattered across the surface. In the soft-focus background, a boxing gym corner appears: a hanging heavy bag in muted charcoal, pale wood plank flooring, and a tall window with diffused morning light. The palette is warm cream, espresso brown, brick red, and soft slate gray, with gentle shadows and a shallow depth of field. The composition follows the rule of thirds, with the cups and scoops in the lower left third and open negative space on the right for headline overlay. The look is tactile and refined, like a high-end health and performance journal. It has natural grain, subtle contrast, and a calm, confident mood. There are no people, no text, no logos, and no futuristic elements.

カフェインを2倍にしてもボクサーのパフォーマンスはほとんど上がらなかった――実際に効いたのはこれだ

BY DR. GYMBRO · 2026年10月27日

プレワークアウトを2杯飲めば効果が2倍になると考えていませんか？15人の競技ボクサーを対象に、体重1kgあたり3 mgと6 mgのカフェインを比較したクロスオーバー試験の結果、用量が多いほど必ずしも優れているわけではないことが分かりました。両用量とも摂取後60分でジャンプ高さとパワーが向上し、6 mg/kgは一部指標（バリスティック・プッシュアップのパワーや膝関節トルク）で僅かに上回っただけでした。以下では、体重あたりmg/kg換算の目安、推奨摂取タイミング、そして実際にはパンチは測定されていないという重要な注意点をまとめています。