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

It is a sad truth that not all bodies are created equal. There are those who grow tall and lean, while others are short and squat. Some struggle to gain weight while others have a harder time losing ...

Medically reviewed by Mallory Christopherson DC, FMT, CSCS Body types are categorized as ectomorph, mesomorph, or endomorph.You may have a high metabolism and need more protein if you are a mesomorph.