Lean Body Mass

Definition

Lean Body Mass (LBM) is the weight of everything in your body except fat. This includes muscles, bones, water, skin, and organs.

Scientific / Technical Definition

Lean Body Mass refers to the total weight of an individual's body minus all the fat mass. It includes the mass of the skeletal muscles, bones, connective tissues, water, organs, and any other tissue except adipose tissue. Lean Body Mass is crucial for metabolism as it largely constitutes the metabolically active components of the body.

Benefits

• Supports metabolic rate and energy expenditure.
• Contributes to physical strength and endurance.
• Promotes overall health and fitness.

Examples

• Skeletal muscle tissue
• Bone and mineral content
• Organ weight

Additional Information

• importance: Lean Body Mass is important for maintaining physical strength, supporting metabolic functions, and determining an individual's overall health and fitness level.

Related Terms

• Body Mass Index
• Fat Mass
• Body Composition
• Muscle Mass

References

• The Role of Lean Body Mass in Reducing Cardiovascular Risk
• Body Composition: The Core of the Lean Body Mass Concept