2 - Nutrition

Question 1

What is “percentage of body fat”?

Answer 1

Proportion of fat to lean body tissue

Question 2

What is BMR and what can it depend on?

Answer 2

Basal Metabolic Rate - how fast energy is being used,

Depends on sex, age, physique

Question 3

What is BMI? What does it indicate and how do you work it out?

Answer 3

Body Mass Index
Ratio of weight to height
Weight(KG) / (height m )^2

Question 4

Define Obesity

Answer 4

When a persons percentage body fat is over 40%

Or your BMI is over 30

Question 5

What is the limitation to BMI being used?

Answer 5

Muscles is more dense than fat so can calculate athletes as obese.

Question 6

What are the 7 food classes?

Answer 6

Carbohydrates, fats, protein, vitamins, minerals, fibre and water

Question 7

How do the 7 food classes impact sport?

Answer 7

Carbs - provide energy
Fats - energy source for low intensity exercise
Protein - growth and repair
Minerals - bone growth, energy metabolism and nerve function
Vitamins - energy metabolism and formation of tissues
Fibre - reduce blood cholesterol, prevents constipation

Question 8

Explain why diets would change for different athletes?

Answer 8

Endurance based athletes need more fats and carbohydrates for energy
Power/Strength athletes will need to increase protein

Question 9

State the BMI measurements for:
Underweight
Healthy
Over weight
Obese (Class I)
Obese (Class II)
Morbidly obese

Answer 9

Under - Less than 20
Healthy - 20-25
Over - 25-30
Obese 1 - 30-35
Obese 2 - 35-40
Morbidly - 40+