研究主題
Body Composition
9 篇文章
Protein in a Caloric Deficit: Protecting Lean Body Mass
The 1.6g/kg protein recommendation is built for energy balance. Athletes in a caloric deficit face anabolic resistance and elevated muscle protein breakdown that shift the optimal intake to 2.3–3.1g/kg lean body mass — a target most cutting programmes fail to meet.
5 分鐘閱讀 · 2026-10-20
NEAT and Step Count: Why 14 Sedentary Hours Beat Your Workout
NEAT varies by up to 2,000 kcal/day between individuals doing zero structured exercise. Learn how step count, occupational movement and fidgeting reshape body composition.
5 分鐘閱讀 · 2026-09-29
Adults Have Brown Fat. Cold Exposure Activates It. Here Is What That Actually Does to Body Composition.
Brown adipose tissue in adults burns energy through UCP1 uncoupling. Here is what cold exposure actually does to body composition and metabolic rate in athletes.
5 分鐘閱讀 · 2026-07-21
Carb Cycling: Training-Day vs Rest-Day Nutrition for Athletes
Carbohydrate cycling — varying carbohydrate intake based on daily training demand — optimises muscle glycogen on high-output days while improving fat oxidation on low-output days. The mechanism is GLUT4 translocation and post-exercise insulin sensitivity.
5 分鐘閱讀 · 2026-07-14
Body Composition Measurement Accuracy: DEXA vs BIA vs Calipers
Every body composition measurement method carries systematic error. For athletes — where hydration, muscle density, and bone mineral density deviate from population norms — the error is larger than manufacturers state. Knowing the bias of your tool changes how you interpret the number.
5 分鐘閱讀 · 2026-06-30
Why Body Fat Percentage Is a More Useful Health Marker Than BMI — and How to Measure It Without Expensive Equipment
BMI misclassifies approximately 30% of adults with metabolically unhealthy body composition. Body fat percentage, measured correctly, tells a more accurate story — and you don't need a clinic to get it.
5 分鐘閱讀 · 2026-06-30
Android vs Gynoid Fat: Why Where You Store Fat Matters More Than How Much You Have
Two athletes with identical body fat percentages can have dramatically different cardiometabolic risk profiles. The difference lies in fat distribution: android (abdominal) vs gynoid (hip-thigh).
5 分鐘閱讀 · 2026-06-23
Adaptive Thermogenesis: Why Your Caloric Deficit Stops Working at 8 Weeks
The body's metabolic response to sustained caloric restriction reduces total daily energy expenditure by 15–25% beyond what weight loss alone predicts. This isn't a calculation error — it's a documented physiological mechanism that defeats most long-term cut phases.
5 分鐘閱讀 · 2026-06-16
Alcohol Has 7 Calories Per Gram. That's Not Even the Worst Part for Body Composition.
Alcohol's caloric density is the entry point. The bigger issue for athletes is how ethanol disrupts substrate oxidation, fat storage, and recovery — effects that persist well beyond the BAC returning to zero.
5 分鐘閱讀 · 2026-06-16