Sports supplements

Question 1

Name 1 illegal ergogenic aid that would be of benefit to an endurance performer and explain how it can help

Answer 1

• EPO
• Increase red blood cells
• Increases the oxygen capacity
• However, can result in blood clotting

Question 2

Discuss the advantages and disadvantages of taking creatine and sodium bicarbonate supplements

Answer 2

Creatine:

• Allows the ATP PC system to last longer
• Improves recovery time
• Cramps, dehydration

Sodium bicarbonate:

• Allows the performer to continue to exercise at a very high intensity of longer
• Increases buffering capacity so it can neutralise the negative side effects of lactic acid
• Vomitting, cramping

Question 3

Describe the physiological reasons why a performer may use anabolic steroids

Answer 3

• Increases protein synthesis
• Decreases overall fat levels
• Reduces recovery time

Question 4

Name 2 illegal ergogenic aids that a triathlete might use, explain how each can help performance and the disadvantages associated with their use

Answer 4

Human growth hormone:

• Increases protein synthesis and lean muscle mass
• Increases blood glucose levels
• Could lead to heart disease

EPO:

• Increases red blood cell production and so more haemoglobin to carry oxygen
• Increases oxygen capacity
• Can result in blood clotting