Body Composition Flashcards
What are the major structural components
Muscle
Fat
Bone
Fat stored in bone marrow, heart, lungs, liver, spleen, kidneys, intenstines, muscles, and lipid rich tissue of CNS
Essential Fat
Males: 3%
Females: 12%
In female, essential fat includes
sex specific/characteristic fat.
fat that accumulates in adipose tissue?
storage fat
female 15%
males 12%
contains small % of essential fat stores within CNS bone marrow and internal organs?
no fat at all?
Lean body mass
Fat free mass
females with low body fat increase chance of
delayed onset of menstruation
irregular cycles
increased risk of MS injury during vigorous exercise.
for bodyfat and menstruation, 17% is for
22% is
onset of menstruation
to sustain normal cycle.
If body fat is to low, body senses energy reserves are inadequate to sustain
pregnancy
hormonal disturbances are triggered with low body fat.
hormone made by fat cells which regulates amount of fat stored in body. “satiety” hormone
Leptin.
critical blood leptin level necessary to trigger
reproductive ability in females.
leptin is mediator b/w
adipose tissue and gonads.
onset of menarche is closely related with achievement of
certain body weight or percent body fat.
females who start training early show lower lifetime occurrences of
CA in breast/ovaries.
women who workout 4 hours a week decrease risk of CA by
why?
50%
less production of estrogen over lifetime.
losing weight can prevent 1 of __ cancers.
can account for what percentages.
6
14% men
20% female.
men is pancreas/liver/prostate/stomach.
there is no link between excess fat and
brain skin or bladder CA