Energy Use Flashcards
What does the amount of energy you need depend on
How much you use up Daily activities Exercise Age Height Gender
What is a positive energy balance
You take in more energy than you will use
So the spare energy is stored as fat and this results in weight gain
What is negative energy balance
When you take in less food to match the energy needed
The body will use energy stored in body fat and this results in weight loss
What is it called when you maintain a healthy weight
Neutral energy balance
What nutrients will athletes that do continuous exercise need
Carbohydrate and fats
Carbs provide plenty of energy that’s easily available for the muscles
Fats are an energy source when carbs are low
What nutrients will athletes that do muscle bulks eg sprinting need
Protein
To build and repair muscles
What is blood shunting
When you exercise blood is redistributed to the working muscles to increase the supply of oxygen this means blood is taken away from the digestive system so it’s harder for you to digest food and you will end up feeling sick if you eat too soon after exercise or during
Why should you not eat during exercise or soon after
Due to blood shunting
