Week 8: Ergogenic aids and nature of evidence

Question 1

What are some of the domain of benefits in supplements

Answer 1

1. Micronutrient deficiencies
2. Performance improvements
3. Training and recovery
4. Sport foods
5. Immune system health
6. Physique change

Question 2

What can prolonged creatine supplementation do to creatine availability in the body?

Answer 2

After consistently taking creatine supplementation over a period, creatine availability in the body can be maintained

Question 3

What is the does response relationship between muscle creatine and performance?

Answer 3

The greater the increase of creatine uptake, the greater the performance benefit. This means uptake into muscle not the does of dietary creatine

Question 4

Is systematic review superior to a meta-analysis?

Answer 4

Yes. SR reduces the bias

Question 5

Are Creatine supplementation dependent on the participants, training, and supplementation characterics?

Answer 5

No

Question 6

What particular muscle groups are said to experience improvement in strength performance after creatine supplementation?

Answer 6

Lower limb strength is said to be increased in Systematic Reviews

Question 7

What other biochemical role does creatine have other than as a substrate?

Answer 7

It acts as a signal role

Question 8

What is something to be critical of when looking at acknowledgement of authors?

Answer 8

They may be working at a specific position to promote the benefits of a substance which may introduce bias

Question 9

What are some of the perfromance benefits seen from supplementation on Caffeine

Answer 9

Moderate doses contribute to a improved MVC strength in resistance trained men regardless of muscle group location

Question 10

What are the effects of beetroot juice on performance?

Answer 10

3 days of dietary nitrate rich beetroot juice reduced O2 cost at a fixed submaximal rate and increased the time to task failure during severe exercise. (Bailey et al., 2009)

Question 10

What are the effects of beetroot juice on performance?

Answer 10

3 days of dietary nitrate rich beetroot juice reduced O2 cost at a fixed submaximal rate and increased the time to task failure during severe exercise. (Bailey et al., 2009)

Question 11

What are some of the ethical issues regarding supplementation use in adolescent athletes

Answer 11

The concept of principle of beneficence refering to the moral obligation to act for the benefit of others. One consequence for this is that the supplement of interest may be under-researched

Overemphasis of the benefits of supplementation over other methods that may confer greater benefits like training, maturation, and appropriate nutrition

Anti-doping risk for the athlete.