bmi (body mass index)

BMI (Body Mass Index)

Objective:To calculate BMI and categorise outcome. Explain inaccuracies of using BMI as a health indicator

Describe the body shape of the following people.

Peter Crouch Victoria Beckham

Arnold Schwarzenegger

Joey Essex

Beyonce

BMI – body mass index BMI gives an indication about a persons ideal body mass compared to their height.

Calculating BMI of the celebrities

Calculating BMI = mass in kg / (height in m)2

•Underweight – under 18.5•Normal – 18.5 – 25•Overweight – 25 – 30•Obese – over 30

You will now calculate the BMI for a number celebrities.Use the information, what does their BMI tell you?Do you agree with the results of the BMI information?

Calculating BMI of the celebrities

Jennifer Lopez is 1.75m tall and weighs 68kg.

Calculating BMI = weight (kg) / (height)2•Underweight – under 18.5•Normal – 18.5 – 25•Overweight – 25 – 30•Obese – over 30

Orlando Bloom is 1.80m tall and weighs 69kg.

Calculate the BMI for these celebrities and interpret the results:

Born 1975H – 1.96mM – 124 kg

Born 1985H – 1.78mM – 78 kg

Born 1975H – 1.83mM – 75 kg

Born 1975H - 1.57mM - 48 kg

Born 1973H – 1.73mM – 54 kg

Answers:Born 1975H – 1.96mM – 124 kg

=32.28

Born 1985H – 1.78mM – 78 kg

=24.62

Born 1975H – 1.83mM – 75 kg

=22.4

Born 1975H - 1.57mM - 48 kg

=19.47

Born 1973H – 1.73mM – 54 kg

=18.04

PlenaryHigh Five- how many of the following can you do?1. I can describe the body

shape of people.2. I can use a body mass index

graph.3. I know how to calculate

body mass index when the equation is given to me.

4. I can say what a BMI indicates about a person’s health.

5. I can explain inaccuracies of using BMI as a health indicator.