Definition - What does Fat-Free Mass mean?

Fat-free mass refers exclusively to the composite materials making up the human body that do not contain fat deposits, such as vital organs, bones, connective tissue, and water. Fat-free mass is considered a fundamental subdivision in direct proportion to fat mass accounting for the structural integrity of body composition in a single person.

SureHire explains Fat-Free Mass

Fat-free mass relates to the structural components within the human body that do not allow for fat accumulation. The vital organs, bones, connective tissue, muscles, and water content encompass fat-free mass because they are incapable of developing and storing fat cells. Body composition describes the physical mass of a single individual accounting for proportional weight subdivided into two categories known as fat-free mass and fat mass. A person’s diet, genetics, and exercise regimen determine the fat-free mass-to-fat mass ratio based on calorie consumption and its inverse conversion to energy with vigorous activity.

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