The idea of “body types” (ectomorph, mesomorph, endomorph) comes from a theory called the somatotype classification, developed in the 1940s by psychologist William H. Sheldon. While it is still widely used in fitness culture, modern science considers it an oversimplified model of human body composition.
- What are the 3 body types?
🟢 Ectomorph
Naturally thin, lean frame
Narrow shoulders and hips
Fast metabolism (tends to burn calories easily)
Difficulty gaining weight or muscle
Scientific note:
Often associated with lower levels of body fat and muscle 🔵 Mesomorph
Naturally athletic build
Broad shoulders,
