OBESITY
Obesity can be defined as the generalized accumulation of excess adipose
tissue in the body resulting in an increase of more than 20 percent of the
desirable weight. Obesity is due to positive energy balance where the intake of
calories (from the diet) is more than the expenditure of calories (physical
activity)
ASSESSMENT
Body weight: An adult weighting 10 percent more than the standard weight is overweight and 20 percent more is obese.
Body mass index: Obesity is expressed in terms of BMI-Body Mass Index, and can be represented as
BMI = Weight (Kg)/ Height (m)2 = W/H2
Normal - 20 - 24.9
Overweight - 25 - 29.9
Obese - 30 - 39
Waist circumference: It is the most practical tool to evaluate a patients' abdominal fat.
High risk waist circumference: Men > 40 in (>102 cm) Women > 35
in (>88 cm)
Waist to Hip ratio
(WHR)
This is the most frequently used measure of adiposity. It is also called
abdominal / gluteal ratio.
The normal ratio Waist = 0.7
Hip
A WHR of 1.0 or greater in men and 0.8 or greater in women is indicative
of android obesity and increased risk for obesity related diseases.
Broka's Index: In order to calculate ideal body weight Broka's index is used. This measurement is easy to calculate and accurate.
Brokas's Index = Height (cm) - 100 = ideal weight (Kg)
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