Chapter 8-9 Flashcards

1
Q

What is w’

A

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

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2
Q

3 types of muscle fibres

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

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

A

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

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4
Q

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

A

SDH levels increase

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5
Q

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

A

Intensity is most important, then duration, then frequency.

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6
Q

What 3 factors are specific to strength-training

A

-Movement
-Speed
-Load

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7
Q

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

A

2-6 hours

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8
Q

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

A

TRUE!

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9
Q

Vo2 max for front row rugby players vs back row players

A

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

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10
Q

What is the primary energy system used by football players?

A

ATP-PCr system

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11
Q

Which muscle fibres are primarily used by pentathletes

A

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

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