Unit 2

Question 1

What is the definition of fatigue?

Answer 1

The feeling of extreme physical or mental tiredness brought on by extreme exertion and it can result in temporary loss of strength and energy.

Question 2

What four effects does fatigue have on the body?

Answer 2

Local muscular fatigue
Decrease in concentration levels
Skill, speed and strength levels decrease
If you cannot have some form of rest, you will be forced to stop.

Question 3

What is local muscular fatigue?

Answer 3

When a muscle or group of muscles is unable to carry on contracting and movement stops.

Question 4

What is stress?

Answer 4

Stress is the body’s reaction to a change that requires a physical, mental or emotional adjustment or response.

Question 5

What four effects can stress have on the body?

Answer 5

Excitement can lead to tension which can result in the tightening of muscles.
Anxiety can cause someone to make mistakes or focus and prepare accurately.
Nervousness can make a person feel more tense, which can lead to sickness.
Motivation will most likely decrease.

Question 6

What are the two types of internally caused injuries?

Answer 6

Overuse- training or performing too much; stress fractures, muscle or tendon injuries. (Tennis elbow& footballers= cartilage damage)
Sudden- a lot of strain put on the body owing to lots of stretching, twisting and turning. (Hamstring pulls)

Question 7

What are four examples of externally caused injuries?

Answer 7

Foul play/incorrect techniques.
Impact injuries.
Equipment/clothing.
Accidents.

Question 8

What are three precautions to prevent injury?

Answer 8

Risk assessment
Warmup and cool down
Rules or code of conduct should be clear, followed and enforced

Question 9

What are three common injuries?

Answer 9

Head injuries
Fractures
Hypothermia

Question 10

What is a sPrain?

Answer 10

The over stretching or tearing of ligaments at a joint.

Question 11

What is a sTrain?

Answer 11

The over stretching of a muscle.

Question 12

What is RICE?

Answer 12

Rest
Ice
Compression
Elevation

Question 13

What is the word equation for aerobic respiration?

Answer 13

Glucose + oxygen –> energy + CO2 + water

Question 14

What is gaseous exchange?

Answer 14

The process where oxygen is taken in from the air and exchanged for carbon dioxide.

Question 15

What is the action of breathing?

Answer 15

Diaphragm flattens and moves downwards.
Intercostal muscles raise the ribs up and push out the sternum increasing cavity.
Causes air to be sucked in.

Question 16

What is the equation for anaerobic respiration?

Answer 16

Glucose –> energy –> Lactic acid

Question 17

When does anaerobic respiration occur?

Answer 17

In the absence of oxygen

Question 18

What is oxygen debt?

Answer 18

When mucked respire anaerobically and run out of oxygen. They use up glycogen stores but this builds up Lactic Acid.

Question 19

What are the three events occur in the recovery period?

Answer 19

Expiration of breath
Perspiration
Excretion through Rhine and faeces

Question 20

What is the function of the circulatory system?

Answer 20

It carries and transports the blood as the body’s fuel supply around the body.

Question 21

What are the four squares of the heart?

Answer 21

Right atrium Left atrium

Right ventricle Left ventricle

Question 22

What is heart rate?

Answer 22

The number of times your heart beats in one minute, which is one contraction and relaxation of the heart.

Question 23

What are the three types of blood vessels and their uses?

Answer 23

Arteries: carry oxygenated blood at high pressure away from the heart through the aorta.
Veins: carry deoxygenated blood back to the heart. Have valves to prevent back flow.
Capillaries: microscopic vessels that link the writes to the veins. DIFFUSION of oxygen and carbon dioxide.

Question 24

Hat is e use of the cardiovascular system?

Answer 24

Name of the system consisting of the heart and blood vessels that circulate blood and transport oxygen.

Question 25

What is cardiovascular endurance?

Answer 25

It is the ability of the Heath and lungs to keep supplying oxygen in the bloodstream to the body in order to provide the energy to sustain physical movement.

Question 26

How do you calculate MHR?

Answer 26

220 minus age.

Question 27

How do you gain the full benefits of the exercise?

Answer 27

Aim to work in the aerobic zone and the training zone for at least 15 minutes.

Question 28

How do you check cardiovascular endurance levels?

Answer 28

Resting pulse rate: the lower the better.

Pulse recovery rate: the quicker the better.