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Sport training physiology > Week 4: Speed training > Flashcards

Week 4: Speed training Flashcards

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Sports Trivia flashcards
1
Q

How long does speed exercise last?

A

2-10 seconds

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2
Q

What determines sprint performance?

A

Acceleration
Maximum speed
Speed maintenance

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3
Q

What determines maximum speed?

A

Stride length and stride rate

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4
Q

How long would a typical speed training programme last?

A

4-8 weeks

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5
Q

How many times would you train a week in a typical speed training?

A

3/4 times per week

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6
Q

How many repetition would you perform in a typical speed training session?

A

4-20 reps

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7
Q

How many long would you perform a repetition in a typical speed training session?

A

<10 seconds

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8
Q

What intensity would you train at in a typical speed training session?

A

90-100%

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9
Q

What is the work:rest ratio when speed training?

A

1:6

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10
Q

What is the anaerobic contribution of ATP during a 5-6 second all-out sprint?

A

6.3%

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11
Q

What is the anaerobic contribution of glycolysis during a 5-6 second all-out sprint?

A

44.1%

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12
Q

What is the anaerobic contribution of PCr during a 5-6 second all-out sprint?

A

49.6%

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13
Q

What does speed training do to someone level of myokinase?

A

Increases it

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14
Q

What does speed training do to someone level of creatine kinase?

A

Increases it

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15
Q

What does speed training do to someone level of PCr?

A

Stays the same

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16
Q

How can aerobic glycolysis be increased?

A

Increased substrate availability

More glycolitic enzymes

17
Q

What determines nerve conduction velocity?

A

Fibre diameter

Myelin sheath

18
Q

What are the connective tissue adaptations?

A

Increased static strength of tendons and ligaments

Increase tendon and muscle stiffness

19
Q

What does less ground contract time do?

A

Increase stride rate

Increased running velocity

20
Q

Following sprint training what are the adaptations to the motor unit recruitment?

A

Increased AMN firing frequency
Increased AMN conduction velocity
Increased number of muscle fibres activated per motor unit
Preferential recruitment of type 11 muscle fibres

21
Q

What two ions need to be exchanged between the membrane to excite the muscle?

A

Na+

K+

22
Q

What does speed training do to K+ build up?

A

Limits extracellular build up

23
Q

What happens to CA2+ when fatigued?

A

Decreased release of SR Ca2+

Decreased reuptake of Ca2+

24
Q

What does REx stand for?

A

Resistance exercise

25
Q

What does REx do?

A

Increases CSA
Preferential hypertrophy of type II
Hyperplasia (increased number of muscle fibres)

Sport training physiology (13 decks)

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