Introduction  
  What is food?  
  What happens to the food we eat?  
Our nutrient needs  
  Energy balance
  Nutritional status  
  Laws & labels  
  Additives & colours  
  Toxicity in food  
  Processing food  
  Stability of food nutrients  
  Storage life of foods  
  Food- associated health problems  

- FIGURE 12 -

ENERGY USED IN DIFFERENT PHYSICAL ACTIVITIES

PHYSICAL ACTIVITY Find out more about this term

ENERGY EXPENDITURE
(kilojoules or kilocalories per minute)

58-KlLOGRAM WOMAN

70-KILOGRAM MAN

(kilojoules) (kilocalories) (kilojoules) (kilocalories)
Sleeping, resting, fasting 3-5 0.5-1 4-6 1-1.5
Sitting, reading, desk work 5-7 1-1.5 6-9 1.5-2
Sitting typing, playing piano, operating controls 6-10 1.5-2.5 8-12 2-3
Light bench work, serving in shop, gardening, slow walking 9-15 2-3.5 12-18 3-4
Social sports, cycling, tennis, cricket, light factory work, light farm work 12-20 3-5 16-24 4-6
Heavy physical labour, carrying, stacking, cutting wood, jogging, competitive sports 18-30 4-7 24-36 6-8.5
Very hard physical labour, intense physical activity, heavy lifting, very vigorous sporting activity over 40 over 10 over 50 over 12

 

Food Facts
- Energy balance
Figures:
11. Recommended daily energy intake varies with age and weight
: 12. Energy used in different physical activities
13: Energy balance and body function
14: Desirable weights for men and women (indoor clothing)
15: Energy density
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