Chapter 8-9

Question 1

What is w’

Answer 1

The amount of work the body can do above critical power (anaerobic energy reserve) measured in kJ

Question 2

3 types of muscle fibres

Answer 2

1. Slow oxidative (Type I)
2. Fast oxidative (Type IIa)
3. Fast glycolytic (Type IIx)

Question 3

How do cytochrome-c levels differ in the 3 muscle fibre types when exercise intensity increases?

Answer 3

Type 1: Increases until threshold, then decreases
Type IIa: Increases until threshold, then plateaus
Type IIx: Minor increase to threshold, then even more

Question 4

How does increasing training distance in endurance sports over time affect the Kreb’s cycle enzyme SDH?

Answer 4

SDH levels increase

Question 5

Which aspects of training are most important for maintenance of VO2 max when reducing training? Intensity, frequency or duration?

Answer 5

Intensity is most important, then duration, then frequency.

Question 6

What 3 factors are specific to strength-training

Answer 6

-Movement
-Speed
-Load

Question 7

How many hours a day of is optimal when training for skill and efficiency?

Answer 7

2-6 hours

Question 8

True or False: Training for sport specificity is the most effective way of training

Answer 8

TRUE!

Question 9

Vo2 max for front row rugby players vs back row players

Answer 9

Front row: 45 ml/kg/min
Back row: 65 ml/kg/min

Question 10

What is the primary energy system used by football players?

Answer 10

ATP-PCr system

Question 11

Which muscle fibres are primarily used by pentathletes

Answer 11

Fast twitch
(ATP-PCr and glycolysis systems used primarily)