The Science of Your Body Type
Understanding Somatotypes
What Are Somatotypes?
The concept of Somatotypes, or body types, was developed by Dr. William H. Sheldon in the 1940s to classify human physiques into three primary categories — Ectomorph, Mesomorph, and Endomorph — based on physical characteristics, muscle-to-fat ratios, and metabolic tendencies. While modern genetics has shown that most people are a blend of two or even all three types, the somatotype model still offers a powerful framework for understanding how your body stores fat, builds muscle, and responds to nutrition and exercise.
Why Understanding Your Body Type Matters
Knowing your body type allows you to train smarter, eat more strategically, and optimize results — rather than following one-size-fits-all wellness plans.
Benefits:
- Metabolic rate (how fast or slow you burn calories)
- Hormonal balance (insulin, cortisol, testosterone, estrogen)
- Muscle fiber composition (fast vs. slow-twitch dominance)
- Recovery speed & energy efficiency
- Response to training intensity and macronutrients
By aligning your exercise, nutrition, and recovery to your genetic blueprint, you unlock metabolic efficiency — maximizing strength, performance, fat loss, and longevity.
The 3 Body Types
ECTOMORPH — The Metabolic Accelerator
Ectomorphs are naturally lean, long-limbed, and have a fast metabolism. They often find it difficult to gain both muscle and fat. Their frames are light, joints are small, and their energy levels are high — but recovery can be slower if not nourished properly. Read More
MESOMORPH — The Natural Athlete
Mesomorphs have a naturally muscular and athletic build, moderate metabolism, and respond quickly to both training and diet. They can gain muscle easily and maintain low body fat with proper nutrition. Read More
ENDOMORPH — The Metabolic Conservator
Endomorphs have slower metabolisms, higher body-fat storage, and greater difficulty losing weight. They tend to be more powerful, with a stockier build and strong lower body. With the right strategy, Endomorphs can transform fat into muscle and become metabolic powerhouses. Read More
Summary Chart: Train and Eat for Your Type
| Body Type | Metabolism | Nutrition Ratio (C/P/F) | Training Focus | Best Results |
|---|---|---|---|---|
| Ectomorph | Fast | 50/25/25 | Strength + low cardio | Lean muscle gain |
| Mesomorph | Moderate | 40/30/30 | Balanced strength + HIIT | Athletic performance |
| Endomorph | Slow | 30/40/30 | Circuit + metabolic training | Fat loss + definition |
RVRSBL “Find Your Body Type” Interactive Quiz Flow
Perspective“Understanding your body type is the first step to understanding your biology.”
RVRSBL isn’t about diets or trends — it’s about precision wellness, powered by science and aligned with your genetics.
Your somatotype determines how you age, recover, and perform, but your choices determine how you thrive.
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