fat-free body mass


Also found in: Acronyms.

fat-free bod·y mass

(FFM) (fat'frē bod'ē mas)
Body mass, primarily of muscle and bone, devoid of storage fat; a theoretic entity that contains the small percentage of non-sex-specific essential fat equivalent to approximately 3% of body mass (located chiefly within the central nervous system, bone marrow, and internal organs).
Synonym(s): lean body mass.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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The results demonstrated that no significant difference existed between the two groups with respect to age, professional experience, weight, height, %fat, body fat, and fat-free body mass. In agreement, various international studies show similar results related to age (20,27), professional experience (15,17), body mass, height (20,27), %fat (22,27), fat mass, and fat-free body mass (5).
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