Long & Short Term Effects Of Exercise

Question 1

Muscle Fatigue

Answer 1

When you exercise, your muscles can feel weak, painful and tired.

Question 2

Cramp

Answer 2

• Severe sort of muscle fatigue.
• Causes the muscles to contract in a painful way.
• Happens when someone is hot, tired, dehydrated ir poor fitness level.
• Result of anaerobic respiration.

Question 3

Lactate Accumulation

Answer 3

Build up of lactic acid.

Question 4

Lactic Acid

Answer 4

• Toxic
• Makes muscles ache, causes cramp.
• Rest until oxygen gets to the muscles.
• A colourless acid produced in muscle tissues during strenuous exercise when the body is exercising anaerobically at high intensity.

Question 5

Stroke Volume

Answer 5

The amount if blood pumped by the heart during each heart beat.
Will increase during exercise as muscles will need more blood.

Question 6

Heart Rate

Answer 6

When you exercise your heart beats faster. Heart rate is the number of times your heart beats per minute.

Question 7

Cardiac Output

Answer 7

Amount of blood pumped by the heart in one minute. The two factors that determine your cardiac output are you heart rate and stroke volume.

Question 8

Equation of Cardiac Output

Answer 8

Heart Rate X Stroke Volume = Cardiac Output

Question 9

Oxygen Debt

Answer 9

Result of anaerobic activity, where your muscles do not receive enough oxygen so your body tells you to take in deep gasping breaths to bring in as much oxygen as possible.

Question 10

Tidal Volume

Answer 10

• The amount of air which enters the lungs during normal inhalation and at rest.
• Average tidal volume is 500ml.
• Same amount leaves the lungs during exhalation.