Bone structure, how easily you gain muscle, and where you tend to store fat all help define your somatotype (body type). Learn how to personalize your fitness goals based on your body type.

Bodies come in different shapes and sizes, influenced by a person’s frame and composition. Different body types include triangle, rectangle, hourglass, ectomorph, mesomorph, and endomorph. Different ...

The concept of somatotypes is based on the understanding that everyone is born with a body type. Body type, or somatotype, is inherited and expresses itself as skeletal structure and body composition.