Body Mass Index
A figure used to assess the
% of fat in your body.
Body composition is the % of your
body that is fat versus the % which
is lean, e.g. muscles, bones,
BMI is a figure used by Government
to try to slow down the trend of
increasing obesity in the UK.
It is estimated by the Government
Office for Science’s Foresight
programme that if obesity continues
to increase at current rates nearly
90% of adults and two thirds of
children in 2050 will be overweight
or obese.
This statistic will include your
Calculating Your BMI
For the mathematicians you would divide
your weight in kg by your height in metres
For example someone who weighed 68kg,
and was 1.68m tall
1.68 x 1.68 = 2.82
68 divided by 2.82 = 24
The following website will calculate your BMI
for you.
If your BMI is 25.0-29.9 you are considered to
be overweight.
This means that your weight exceeds the
normal standard based on height and frame
If your BMI is above 30 your are considered to
be obese.
This means that you have a high % of body fat.
Problems Associated With
Joint disorders
such as
osteoarthritis, which
is wear and tear on
the cartilage of joints.
Problems Associated With
Coronary heart disease
This could be hardening
of the artery walls.
This could also be
narrowing of the space
in arteries due to fatty
deposits restricting blood
Angina and heart
Lowering Your BMI
The World Health
Organisation recommends
that all adults below 65
should accumulate 30+ mins
of moderate-intensity
physical activity on most,
preferably all days of the
This would be brisk walking,
cycling, or gardening.
This will help your body to
burn fat as a fuel, as well as
increasing your energy
expenditure and improving
your general health.