Are you an ectomorph, mesomorph, or endomorph? Discover your body type and how to make the most of it.

The three classic categories—ectomorph, mesomorph, and endomorph—were popularized as a way to describe natural tendencies in body shape, metabolism, and muscle gain. While modern science recognizes that humans are more complex than simple categories, many people still find this framework useful for understanding fitness and nutrition patterns.

So which one are you?

The Three Body Types Explained

1. Ectomorph: The “Naturally Lean” Body Type

Ectomorphs are typically described as slim, long-limbed, and naturally thin.

Common traits include:

• Fast metabolism
• Difficulty gaining weight or muscle
• Narrow shoulders and hips
• Low body fat
• Long arms and legs

Fitness approach for ectomorphs: