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.

In a body-positive and inclusive move, Asos is testing augmented reality to show its clothes on models of different sizes. This way, women of a range of body types can see how each item might look.

In the 1940s, Dr. William Sheldon organized human body types into endomorphs, mesomorphs and ectomorphs. The three groups differentiate bone structure, muscle and body fat and how each type carries ...