Fat Mass
percent body fat
Non-fat Component
lean body mass
What is body composition?
Used to measure body fat to lean body mass
subcutaneous fat
fat under the skin
visceral fat
fat around the organs
brown fat
used for energy
white fat
stains yellow, we don’t need as much of it
What type of organ is body fat?
endocrine
How much essential body fat is needed?
3% - men, 12% - women (b/c they bare children)
What tissue is fat stored in?
adipose
Three uses for fat.
insulation, padding, energy
obesity
excess of body fat
weight loss does not always mean ___ loss. It can include… and …
fat; water and lean body mass loss
Android obesity
apple shape, carry fat in stomach, more common in men
Gynoid obesity
pear shape, carry fat in hips and thighs, more common in women
Dual energy X-Ray absorptiometry
machine that low dose of x-ray energy to measure fat distribution
Underwater technique
regular weight to compared underwater weight, fat more buoyant than lean tissue
Air Displacement
air displaced by a person sitting in a small chamber
What % of your daily caloric intake should be carbs?
45-65% avg person, 70% elite athletes
Anthropometric Measurements
Skin fold thickness
Girth Measurements
circumference at specific site
Bioelectrical Impedance
weak electrical current is passed through the body, fat tissue doesn’t conduct electricity as well as muscle
Body Mass Index (BMI)
body weight x 705/(height in in.)^2