3.2.3.3 Energy use, diet, nutrition and hydration Flashcards
(16 cards)
Average male energy requirements
2500 kcal
Average female energy requirements
2000 kcal
Energy requirements are dependant on
Age
Gender
Height
Energy expenditure
Reason why a balanced diet is needed
Unused energy is stored as fat, which can cause obesity
Suitable energy available for activity
Body needs nutrients for energy, growth and hydration
3 macronutrients and percentage in balanced diet
Carbs - 55-60%
Protein - 15-20%
Fat - 25-30%
4 micronutrients
Vitamins
Minerals
Fibre
Water
Carbohydrates function
Main and preferred energy source for all types of energy
Fats function
Second preferred energy source for low intensities
Protein function
Growth and repair of muscle tissue
Vitamins and minerals function
Mainatining the efficient working of body systems and general health
Fibre function
Keeps digestive system healthy
Water makes up how much of the body
60%
Male water requirements
2.5 litres
Female water requirements
2 litres
Dehydration is
The rapid loss of water from the body that leads to disfunction
Dehydration consequences
Thicker blood
Increased heart rate
Increase in body temperature
Slower reactions
Muscle fatigue/cramps