There are three basic human body types:
Ectomorph – distinguished by a lack of fat and muscle tissue.
- Thin face with high forehead and receding chin.
- Narrow chest, clavicle, abdomen and hips.
- Long, thin arms and legs with small wrists and ankles.
- Low body fat and very little muscle.
Mesomorph – marked by a well-developed musculature.
- Large square head.
- Wide clavicle.
- Broad, muscular chest and shoulders.
- Heavily muscled arms and legs.
- Narrow waist.
- Minimal body fat.
- Tends to develop muscle easily.
Endomorph – characterized by a preponderance of body fat.
- Blocky build.
- Round head.
- Thick rib cage.
- Large, round abdomen.
- Short arms and legs with fat upper arms and thighs.
- Slender wrists and ankles.
- Hips as wide (or wider) than clavicle.