Independent medical expert answers
on psychiatry and psychology

Exercise and Diet

Written by: Gunborg Palme, certified psychologist and certified psychotherapist, teacher and tutor in psychotherapy.
First version: 22 Jul 2008. Latest version: 13 Jul 2009.

Abstract:

You have to exercise for a long time, or very intensively, if you want a significant increase in energy consumption compared to just sitting.

Question:

Can I eat more if I exercise more?

Answer:

To some extent it is correct to eat a little more when one exercises. However, for most people the body's basic use of energy makes the greatest demands and the difference between this and the amount needed for exercise is small. Example for a person weighing 73 kg or 160 lbs:

Normal burning while sleeping or sitting
1900 kcal/day
Walking a pram with a child 200 kcal/hour
Walking, rapidly
340 kcal/hour
Walking, upstairs 600 kcal/hour
Intensive gymnastics
750 kcal/hour
Running, skiing, bicycling 500-1000 kcal/hour, depends on speed
Swimming leisurely 400 kcal/hour
Climbing up a mountain 800 kcal/hour
Rowing at moderate speed 600 kcal/hour
Caring for a child 200 kcal/hour
Housecleaning, rapid 300 kcal/hour
Housecleaning, slowly 200 kcal/hour
Gardening 350 kcal/hour

Exercise, however, is healthy in other ways than burning calories. Exercise changes your body so that you will easier adjust your eating to your nutrient need.

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