These body type classifications have their roots in discredited pseudoscience—but they're still common shorthand at the gym.

An endomorph is a human body type, or somatotype, characterized by a larger bone structure, midsection, and hips. This body type typically carries more fat and has a naturally slow metabolism ...

To help understand bodies, researchers and other healthcare experts classify bodies into three main types: ectomorph (long and lean), mesomorph (more muscular), and endomorph (more curves and ...