body composition

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body composition

the relative proportions of protein, fat, water, and mineral components in the body. It varies among individuals as a result of differences in body density and degree of obesity.

body composition

A physical fitness term for the percentage of fat, bone and muscle in the body, of which fat is of greatest interest. Healthy adults males have 6% to 24% fat; healthy adult females have between 14% and 31% fat.

bod·y com·po·si·tion

(bod'ē kom-pŏ-zish'ŭn)
An estimate of the proportions of major components of a living body, as water, nitrogen, sodium; more specifically, the proportion of lean body mass to fat.

body composition

whole-body composition is of interest in the contexts of control of body weight, assessment of obesity, and sport and exercise,. It comprises total body fat (essential fat plus storage fat) and fat-free body mass (FFM) (includes muscle, water and bone). From body density measurements, using established corrections and equations, the ratio of fat mass to fat-free mass can be calculated, based on the much lower density of the fat compartment. However, within the FFM, bone is more dense than muscle, so if there is either relative loss of bone density (osteoporosis) or increase in muscle mass (with training), fat percentage may be overestimated. densitometry techniques include underwater (hydrostatic) weighing and air displacement plethysmography. Estimates can be made of lean body mass (LBM), body mass devoid of storage fat, but LBM does not exclude essential fat, so it is slightly higher than the FFM. See also body fat, body fluids.
References in periodicals archive ?
Therefore, body mass index is only a crude index for obesity, for this reason, researchers have recommended that it is best to use body mass index to measure body fat percentage only when that using of the other methods is not possible.
24) There is limited information on body fat percentage and age in women, but there are several studies on BMI and age in women.
Though it's still being tweaked, experts believe the relationship between hip circumference and height better approximates body fat percentage across a broad range of gender, race and body types.
Endurance athletes often have relatively low body fat percentages (4, 9-13, 21-26).
If you decide to undergo a body fat percentage test, note that a healthy level for females ordinarily falls within the range of 20 to 27% of body weight.
2], and body fat percentages of 25% for males and 30% for females based on DXA.
Jacob corroborates, " Men and women have different predispositions because of which their body fat percentage requirement differs.
Average body fat percentage was 28% in the probiotic group, compared with 29% and 30% in the diet advice only group and the control group respectively.
Body fat percentage at time of interview was measured using two methods: (1) foot-to-foot bioelectrical impedance (TANITA); and (2) four-site skinfold thickness measurements.
Visitors will receive a full health check, including weight, blood pressure, glucose test, body mass index and body fat percentage, lung function and strength test.
A BODY fat percentage is calculated on newer scales by measuring the electrical current that passes through the sole of the foot.
They were told their weight, body mass index, basal metabolic rate, body fat percentage and blood pressure.