#cycling performance

1 article

A cyclist in a fitted matte-black kit, shot from a low three-quarter angle, rides a sunlit country road at early morning, slightly out of focus with soft motion blur on the wheels. In the foreground on the left sits a rustic wooden table with a tall glass of deep magenta beetroot juice. Condensation beads on the glass, and the light catches its vivid jewel-toned color. Beside it lie two whole beetroots with their leafy red-veined greens still attached, and one halved beet shows concentric crimson-and-pink rings. A small linen napkin and a scatter of water droplets add an editorial still-life feel.

The background is a gently rolling landscape with golden-green fields and a thin ribbon of asphalt curving toward the horizon. Pale mist hangs low and warm sunlight comes from the right, creating long soft shadows and a golden rim light on the glass and the cyclist's silhouette. The shallow depth of field keeps the juice and beets crisp while the rider stays a dreamy blurred suggestion of speed.

The palette is rich magenta, burgundy, warm cream, sage green, and soft gold, with muted, slightly desaturated tones in the background so the beetroot color stands out. The composition follows the rule of thirds, with the still-life in the lower left third and open negative space in the upper right for the title. The overall look is a clean, modern lifestyle-magazine photograph with natural film-like grain, calm and athletic, and no text, logos, or futuristic elements.

时间赛前的甜菜根汁：0.5 L 如何让 4 km 与 16.1 km 骑行时间缩短近 3%

BY DR. GYMBRO · 2026年10月15日

2011 年的一项小规模但影响深远的交叉实验检验了单次饮用甜菜根汁是否能让真实的自行车计时赛更快。九名竞技男骑手在比赛前约 2.5 小时饮下 0.5 L、含约 6.2 mmol 硝酸盐的甜菜根汁。血浆亚硝酸盐浓度翻倍，平均功率提升，4 km 与 16.1 km 的成绩分别提升了 2.8% 与 2.7%。关键在于氧气摄取量没有变化，说明提升来自更好的骑行经济性，而非更大的有氧引擎。

#cycling performance

时间赛前的甜菜根汁：0.5 L 如何让 4 km 与 16.1 km 骑行时间缩短近 3%

时间赛前的甜菜根汁：0.5 L 如何让 4 km 与 16.1 km 骑行时间缩短近 3%