the role of nutrients in different intensities of exercise Flashcards
1
Q
whta are the specific needs for fats
A
- also an energy source
- required for low intensity energy and insulation
- comes in 2 forms: saturated fats (animal fats), unsaturated fats (vegetable fats/ oils)
2
Q
what are specific needs for carbohydrates
A
- the main energy source for all types of activity
- high and low intensity exercise
- fuel for muscular contractions
- useful for 1min to 2 hours of exercise
- provided within bread, pasta, potatoes etc.
3
Q
what are the specific needs for protein
A
- for tissue growth and repair
- small part to play in energy
- provided by food like fish, meat, eggs, dairy, nuts
4
Q
what are the specific needs for minerals in the body
A
- required for bone growth and maintenance of regular bodily fucntions
- inorganic substances e.g. calcium are good for bone formation
5
Q
what are the specific uses for water
A
- required to prevent dehydration
- approximately 8, 8oz glasses should be drunk per day
6
Q
how much water should the average person drink daily
A
men: 2.5 litres
women: 2 litres
7
Q
how do long distance runners prepare for an event
A
- athletes carbo-load so they can work for a long time without running out of carbohydrates
8
Q
what are the dangers of overhydrating
A
water enters tissue cells rather than being in the blood
9
Q
dangers of under hydrating
A
Can lead to dehydration- dizziness, fatigue, heat stroke, increased heart rate, nausea, muscle cramp, thicker blood