Body Composition
Analysis and Interventions
About this volume
Body Composition is Book F4 of The Performance & Human Physiology Encyclopedia — a 93-volume, university-level library on the metabolic first principles every nutrition decision rests on. It is written for dietitians, nutrition students, coaches and anyone managing their own body: deep enough that a professional already trained in the field keeps learning, structured clearly enough that a motivated reader can follow every step.
How this book is written
- University level, without dilution. Exact scientific terminology, defined at first use — mechanisms, not just conclusions.
- Evidence graded, not asserted. Major claims carry a level, from A (strong) to D (expert opinion), so you always know how much weight to give them.
- Numbers, formulas, worked examples. Reference ranges, equations and solved calculations you can apply the same day.
- Myths confronted directly. Where a popular claim does not survive the evidence, the book says so — and shows why.
- Fully referenced (APA 7). References at the end of every chapter, plus a master bibliography.
What is inside
The 13 chapters of this volume.
- 01
What Body Composition Is: Compartments, Models, and Why Weight Isn't Enough
FM/FFM, the 2C–4C models, Wang's five levels, density assumptions
- 02
Adipose Tissue and Body Fat
Adipocytes, white/brown fat, depots, adipokines, distribution, growth
- 03
Fat-Free Mass: Skeletal Muscle, Bone, Water, and Protein
TBW & the hydration constant, muscle, bone, body cell mass, FFM density
- 04
The Science of Measurement: Validity, Reliability, and the Criterion Problem
Accuracy vs precision, SEE, smallest detectable change, the 4C criterion
- 05
Anthropometry: BMI, Circumferences, Ratios, and Skinfolds
BMI, waist/WHtR, skinfold equations, the field battery
- 06
Densitometry: Hydrodensitometry and Air-Displacement Plethysmography
Density → fat, residual/thoracic gas volume, the 2C assumption
- 07
DXA: Dual-Energy X-ray Absorptiometry
3-compartment regional output, VAT/ALMI, dose, standardization
- 08
Bioelectrical Impedance and Field Methods
Impedance index, phase angle, hydration sensitivity, ultrasound/3-D/NIR
- 09
Imaging and Laboratory Reference Methods
MRI/CT, dilution, total body potassium, neutron activation, the 4C model
- 10
Interpreting Results: Reference Ranges, Body-Fat Standards, and Indices
Healthy ranges, athlete norms, FFMI/FMI, the U-curve, RED-S
- 11
Body Composition, Health, and Performance
Visceral fat & metabolic syndrome, sarcopenia, bone, power-to-weight
- 12
Changing Body Composition: Fat Loss, Muscle Gain, and Recomposition
Partitioning, protein + lifting, rates, plateaus, recomposition
- 13
Measuring, Tracking, and Putting It All Together
Standardization, SDC, triangulation, special populations, the F1–F4 synthesis
Volume details
Topics covered
- body composition book
- evidence based body composition
- nutrition science textbook
- metabolism book
- evidence based nutrition
- analysis and interventions
- body composition for athletes and coaches
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