body fat composition definition
Body composition refers to the proportion of fat and fat-free mass in the body. A healthy body composition is one that includes a lower proportion of body fat and a higher proportion of fat-free mass. Body composition is one measurement that is used to assess your health and fitness level. Your body is composed of two types of mass: body fat and fat-free mass. Body fat is fat that is located within the body. Body fat can be in muscle tissue, under the skin or around organs.