EPOC and vascular shunting

Question 1

What is Redistribution of blood?

Answer 1

During exercise, blood flow to muscles increases to meet the increase in oxygen demand. This redirection of blood flow to the areas where it is most needed is known as a vascular shunt.

Question 2

What does vasoconstriction mean?

Answer 2

The narrowing of blood vessels by small muscles in their walls

Question 3

What does vasodilation mean?

Answer 3

The expanding of blood vessels by small muscles in their walls

Question 4

What does EPOC stand for?

Answer 4

E - Excess
P - Post-exercise
O - Oxygen
C - Consumption

Question 5

When does EPOC occur?

Answer 5

Only when the body works anaerobically

Question 6

What waste product do our bodys produce when working anaerobically?

Answer 6

Lactic acid

Question 7

When an athlete works anaerobically for to long lactic acid will build up in there muscles. As a result of this there is a rise in lactate levels in the body, what is this known as?

Answer 7

Lactate Accumulation

Question 8

How is the waste product, lactic acid, removed?

Answer 8

It is removed through oxidising the lactic acid and turning it into carbon dioxide and water.

Question 9

Why does an athlete take heavy breathes after exercise?

Answer 9

Because they are in oxygen debt

Question 10

How is the oxygen debt payed back?

Answer 10

The oxygen inhaled by the athlete whilst deep breathing is used to pay back the oxygen debt in the muscles so that the muscles can recover and be replenished with oxygen.

Question 11

How is an athletes performance affected whilst in oxygen debt?

Answer 11

An athletes performance is negatively impacted because the performer will have to slow down in order to get lots of oxygen in.