Lean Body Mass

Definition

Lean body mass is the total weight of your body minus the weight of your fat mass. It includes muscles, bones, organs, and water.

Scientific / Technical Definition

Lean body mass (LBM) refers to the combined weight of muscles, bones, organs, blood, and water within the body, excluding fat tissue. It's an important component when measuring body composition and assessing overall health.

Benefits

• Supports a healthy metabolism.
• Improves strength and physical performance.
• Reduces risk of injury by strengthening muscles and bones.
• Enhances energy levels by supporting better metabolic efficiency.

Examples

• A person with a high percentage of muscle tissue but low fat tissue will have a high lean body mass.
• Athletes often focus on increasing lean body mass to improve performance.

Additional Information

• importance: Lean body mass is crucial for maintaining a healthy metabolism and supporting optimal physical function. It plays a vital role in determining one's energy expenditure at rest and overall strength capacity.

Related Terms

• Body Composition
• Resting Metabolic Rate
• Basal Metabolic Rate
• Muscle Mass

References

• Body composition: What it is and methods to measure it
• Understanding Your Body Composition