Hitting the wall refers to:

Depletion of glycogen stores and utilising Free Fatty acids as the main fuel source

Depletion of glycogen stores and utilising Amino acids as the main fuel source

Depletion of PC stores and utilising Amino acids as the main fuel source

Depletion of Free Fatty Acid stores and utilising glycogen as the main fuel source

Lactate Inflection Point is:

the last point where lactate entry into and removal from the blood are balanced

the first point where lactate entry into and removal from the blood are balanced

the point where exercise intensity drops so that lactic acid is removed from the blood via oxidation

the point where exercise intensity increases so that lactic acid is removed from the blood via oxidation

Lactate inflection point:

It is identified as the final exercise intensity or oxygen uptake value at which blood lactate concentration is relatively stable

It is identified as the first exercise intensity or oxygen uptake value at which blood lactate concentration is relatively unstable

It is identified as the first exercise intensity or oxygen uptake value at which blood lactate concentration is relatively stable

It is identified as the final exercise intensity or oxygen uptake value at which blood lactate concentration is relatively unstable

The LIP of an individual represents:

the maximal intensity at which blood lactate is in steady state

the sub-maximal intensity at which blood lactate is in steady state

the sub-maximal intensity at which blood lactate is increasing

the maximal intensity at which blood lactate is increasing

At exercise intensities beyond an individual’s LIP

blood lactate concentration increases exponentially

blood lactate concentration decreases exponentially

blood lactate concentration increases in a linear relationship

blood lactate concentration decreases in a linear relationship

Exercise intensities beyond the LIP are associated with a

more rapid clearance of lactic acid

more rapid onset of Free Fatty Acid use

Exercise intensities beyond the LIP are associated with a more rapid onset of fatigue due to:

an increased contribution form anaerobic energy pathways to meet the ATP demands of exercise

a decreased contribution form anaerobic energy pathways to meet the ATP demands of exercise

the anaerobic glycolysis energy system becomes dominant to produce ATP

the STP-PC energy system becomes dominant to produce ATP

LIP is improved by training

the anaerobic glycolysis energy system

LIP is an indicator of how well trained the:

Anaerobic Glycolysis energy system

Potential causes of lactic acid induced fatigue include:

improved isometric muscle contraction force

increased muscle contraction duration

The oxygen deficit occurs because the

respiratory and circulatory systems take some time to adjust to the new oxygen demand

ATP-PC and anaerobic systems take some time to adjust to the new oxygen demand

muscular and circulatory systems take some time to adjust to the new oxygen demand

central nervous system take some time to adjust to the new oxygen demand

Oxygen supply and demand are equal

Oxygen supply is greater than the demand

Oxygen supply is less than the demand

Oxygen supply is increased initially but then decreases

Passive Recovery involves

standing still, sitting down and completing little to no movement

Stretching, sitting down and completing little to no movement

standing still followed by static stretching to replenish PC

Running around followed by static stretching to replenish PC

During passive recovery:

70% of the ATP and CP is restored within 30 seconds

70% of the ATP and CP is restored within 8-10 seconds

70% of the ATP and CP is restored within 15 seconds

70% of the ATP and CP is restored within 60 seconds

An active recovery should be performed at an exercise intensity

Lower than the individual’s lactate inflection point

At the individual’s lactate inflection point

Higher than the individual’s lactate inflection point

occurs as the active muscles are no longer acting as pumps to propel the blood back to the heart

occurs as the blood lactate sits inside the muscles and flows freely into the bloodstream

occurs only during exercise that is maximal intensity required high amounts of ATP-CP

occurs only during light aerobic activity and so you should train at LIP

creates a muscle pump to prevent venous pooling

creates a muscle pump to allow venous pooling

O2 levels are decreased and reduce the H2O in the blood

High aerobic power can promote restoration of PC as it

Lowers acidity/H+ in the blood and higher O2 in the blood increases PC rate of replenishment

Increases acidity/H+ in the blood and higher O2 in the blood increases PC rate of replenishment

Lowers acidity/H+ in the blood and higher O2 in the blood decreases PC rate of replenishment

Increases acidity/H+ in the blood and higher O2 in the blood Decreases PC rate of replenishment

In the immediate post exercise period, athletes are encouraged to consume

A carbohydrate rich snack or meal that provides 1-1.2g of carbohydrate per kg body weight within the first hour of finishing

A Fat rich snack or meal that provides 1-1.2g of Fat per kg body weight within the first hour of finishing

A low Fat snack or meal that provides . 1-.2g of Fat per kg body weight within the first hour of finishing

A low carbohydrate snack or meal that provides .2- .4g of carbohydrate per kg body weight within the first hour of finishing

During passive recovery:

98% of the ATP and CP is restored within approx 180 seconds

98% of the ATP and CP is restored within 8-10 seconds

98% of the ATP and CP is restored within 15 seconds

98% of the ATP and CP is restored within 30 seconds

The role of protein in recovery is to:

Repair damaged muscle tissue and grow new muscle

Ensure that triglyceride levels are optimal

How can dehydration lead to fatigue?

Leads to lower cardiac output and reduced oxygen delivery

Causes an increase in plasma volume

VCE PE Fatigue and Recovery

Authored by Robert Monk

Physical Ed

11th - 12th Grade

Used 70+ times

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MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The most likely cause of fatigue in a 100m sprint is

Depletion of fuels

Depletion of fuels PC stores

Depletion of fuels glycogen stores

Accumulation of Lactic Acid

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is not a by-product of the aerobic energy system?

Water

Pyruvate

Carbon Dioxide

Heat

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

H+ stands for

Hydrogen

Hydrogen Dioxide

Hydrogen Ions

Hydrogen Oxide

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following athletes is most likely to accumulate H+ ions during their activity?

100m freestyle swimmer

Tour De France Cyclist

Lawn Bowler

Discuss Thrower

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The factors that determine the oxygen deficit are:

PC store levels

Glycogen stores

Temperature of the environment

Intensity, Duration and Type of activity

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a fatigue causing by-product?

Inorganic Phosphates

H2O

CO2

Heat

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How long does the stored ATP last when performing maximal intensity exercise?

1-2 seconds

5-8 seconds

8-10 seconds

10-30 seconds

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VCE PE Fatigue and Recovery

The most likely cause of fatigue in a 100m sprint is

Which of the following is not a by-product of the aerobic energy system?

H+ stands for

Which of the following athletes is most likely to accumulate H+ ions during their activity?

The factors that determine the oxygen deficit are:

Which of the following is a fatigue causing by-product?

How long does the stored ATP last when performing maximal intensity exercise?

Stores of PC are depleted roughly after:

Hitting the wall refers to:

The most likely cause of fatigue for a 400m runner is:

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