Hydration and dehydration

Question 1

How much water should an athlete drink per day?

Answer 1

2 litres

Question 2

How much extra water should an athlete drink per hour of exercise?

Answer 2

1 litre

Question 3

What is the definition of dehydration?

Answer 3

An excess loss of water from the body causing a rise in blood sodium levels.

Question 4

What are some symptoms of dehydration?

Answer 4

Headaches, lightheadedness, paleness and muscles cramps.

Question 5

what are the negative effects of dehydration?

Answer 5

The blood thickens meaning less oxygen can get to the muscles, slower reaction times meaning an increased chance of injury and the body temperature increases as excess body heat cannot be lost by sweating.

Question 6

What are the benefits of hydration?

Answer 6

It lubricates joints meaning they can move freely, it allows the body to sweat to stop the body from overheating and makes the blood plasma thinner so the blood can work effectively to transport oxygen and nutrients to the muscles.

Question 7

What are some sources of fluid?

Answer 7

Water, fruit, hypertonic drinks, isotonic drinks and hypoxic drinks.

Question 8

What are hypotonic drinks?

Answer 8

Drinks that are high in carbohydrates.

Question 9

What are isotonic drinks?

Answer 9

Drinks that contain some carbohydrates but provide faster hydration)

Question 10

What are hypoxic drinks?

Answer 10

Drinks that contain few to no carbohydrates but just provide rehydration (fluid replacement)