📊 Am I Normal?
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✨ Appearance

What is my body type?

Ectomorph, mesomorph, or endomorph — your frame, metabolism, and muscle patterns tell the story.

Rate each statement 1 (strongly disagree) to 5 (strongly agree). Higher scores lean ectomorph; lower scores lean endomorph. Your score updates live.

1My wrists and ankles are narrow — I can easily wrap my thumb and finger around my wrist.
2My shoulders are narrow relative to my hips — I don't have a naturally broad frame.
3I have a long, lean torso rather than a compact, stocky one.
4I can eat large amounts of food without gaining noticeable weight.
5I struggle to gain weight or muscle mass even when I try.
6My body temperature tends to run warm — I rarely feel cold.
7I have naturally fast digestion — I get hungry again quickly after eating.
8I have always been naturally lean — even without regular exercise.
9I find it hard to build visible muscle definition, even with strength training.
10My natural body shape is more linear than curvy or muscular.

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What are somatotypes?

Somatotype theory, developed by psychologist William Sheldon in the 1940s, classifies human body types into three broad categories: ectomorph (lean, long-limbed), mesomorph (muscular, medium-framed), and endomorph (broader, rounder build). While Sheldon's original link between body type and personality has been debunked, the physical classification system remains widely used in sports science and exercise physiology as a starting point for understanding individual differences in build, metabolism, and training response.

The three somatotypes

  • Ectomorph: Narrow shoulders and hips, long limbs, low body fat, fast metabolism, difficulty gaining weight or muscle. Think marathon runners and basketball players.
  • Mesomorph: Broad shoulders, narrow waist, naturally muscular, gains and loses weight relatively easily. Think sprinters and gymnasts.
  • Endomorph: Wider hips, thicker joints, slower metabolism, gains weight easily but also builds strength quickly. Think powerlifters and rugby players.

Modern science on body types

Contemporary exercise science views somatotypes as a spectrum, not fixed categories. Most people are a blend — an "ecto-mesomorph" or "meso-endomorph." The Heath-Carter method (1967) assigns a three-number rating (e.g., 2-5-3) representing your degree of endomorphy, mesomorphy, and ectomorphy. Genetics determine roughly 60-80% of your body composition, with diet and exercise influencing the rest.

Three sub-scales in this quiz

  • Frame/Build (items 1-3): Your skeletal structure — wrist circumference, shoulder-to-hip ratio, and torso proportions. These are largely genetic and don't change with training.
  • Metabolism (items 4-7): Your metabolic tendencies — caloric tolerance, weight gain ease, thermoregulation, and digestion speed.
  • Muscle Pattern (items 8-10): Your natural leanness, muscle-building capacity, and overall body shape tendency.

Why this matters for training

Understanding your body type helps set realistic expectations and optimize training. Ectomorphs may need caloric surpluses and compound lifts to build muscle. Endomorphs may benefit from higher-volume cardio alongside strength work. Mesomorphs respond to most training modalities but can overtrain if they neglect recovery. The key insight is that no body type is better or worse — each has advantages in different athletic contexts.

Sources: Sheldon (1940, somatotype theory), Heath & Carter (1967, revised somatotyping), Carter & Heath (1990, somatotyping manual), Malina (2007, body composition genetics).