Dr. Gymbro
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#crossfit

2 articles
A wide, editorial-style flat lay photographed from above on a pale warm-gray stone countertop in soft morning window light. On the left, a simple white ceramic bowl holds fine white baking soda powder, with a vintage wooden spoon resting beside it and a light dusting of powder spilling across the surface. In the center, three identical clear glass tumblers sit in a neat row, each filled with a slightly different cloudy liquid: one almost clear, one milky white, one faintly yellow-tinged. Small kraft paper labels tied to the glasses with twine remain blank. To the right, a minimalist silver stopwatch lies on a folded navy athletic towel, its hands frozen mid-count. A few fresh lemon halves and a single sprig of mint add a bright, natural accent near the citrate glass. A pair of worn but clean women's running shoes sits partly in frame at the upper right corner, laces loose, hinting at an athlete without showing a person. Subtle long shadows fall diagonally across the scene, giving depth and a calm, modern feel. The color palette is muted and cohesive: chalky whites, soft sage green, warm sand, deep navy, and small pops of lemon yellow. Shallow depth of field gently blurs the edges, with crisp focus on the center glasses and stopwatch. Plenty of clean negative space across the top third leaves room for a headline overlay. The overall look is a trendy health and performance journal: clean, tactile, slightly grainy film-like texture, natural and understated, with no text, no logos, and no futuristic elements.
nutrition

重曹がナトリウムクエン酸併用に比べて17秒速くタイムを短縮

BY DR. GYMBRO ·

多くの人は、複数のバッファーを組み合わせれば単体より効果が上がると考えがちです。しかし、10名の高度にトレーニングされた女性CrossFit選手を対象にしたクロスオーバー試験では、炭酸水素ナトリウム(重曹)が6 kmタイムトライアルでプラセボより21.5秒短縮したのに対し、ナトリウムクエン酸やその併用は有意な効果を示しませんでした。重曹はナトリウムクエン酸単独よりも11.6秒、併用よりも17.2秒速かったものの、胃腸の不快感が増加しました。本稿では研究結果の概要、併用が失敗した可能性、そして安全に試すためのポイントを解説します。

A wide, landscape editorial photograph with a modern wellness-journal feel. In the foreground, a clear glass vial of pale amber liquid sits on a matte white stone surface, with a small dropper beside it and a few droplets catching soft light. A slim brushed-steel measuring spoon and a minimalist notebook with handwritten dose calculations in pencil rest nearby. The numbers are blurred and unreadable.

In the softly blurred background, a bright, airy modern gym with large windows and morning light. A fit man in his thirties, in a charcoal athletic shirt, is mid-stride on a treadmill in profile, with a gentle sheen of sweat and a focused expression. Behind him, a wooden plyo box, a kettlebell, and a rope are arranged neatly, suggesting functional training.

The palette is calm and refined: warm cream, soft sage green, muted terracotta, and touches of deep navy. Natural golden side-light makes long, gentle shadows. Shallow depth of field with a crisp foreground and creamy bokeh. Clean composition with negative space on the left third for a title overlay. Premium magazine photography, subtle film grain, realistic textures, no text or logos, and no futuristic or digital elements.
nutrition

HMBは有酸素フィットネスを向上させ、筋力には影響しない――2026年の新試験

BY DR. GYMBRO ·

HMBは従来、筋肉の保持や筋力向上を目的としたサプリとして販売されてきましたが、最新の三重盲検試験では別の効果が明らかになりました。90名の男性(除脂肪体重1kgあたり90 mgの液体HMB)と高強度機能トレーニング(HIFT)を組み合わせたところ、プラセボ群に比べてVO₂maxや各種閾値指標が有意に向上しました。この効果は特にトレーニング経験者に顕著で、下肢等尺性筋力には変化が見られませんでした。本記事では投与量の算出方法や従来の3 gプロトコルとの違い、そして実際に恩恵を受けられる可能性が高い層について解説します。

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