September, 22, 2023 Flashcards

1
Q

what is the lactate threshold for an untrained person

A

between 50%-60% of VO2 max

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2
Q

what is the lactate threshold for an trained person

A

between 70%-80% of VO2 max

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3
Q

what is the lactate threshold for people with COX deficiency

A

between 25%-30% of VO2 max

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4
Q

If you increase the workload for a person with PFK deficiency, do you even see a lactate threshold?(refer to page 31)

A

no you don’t

because they don’t produce lactate, or very little lactate production

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5
Q

what does a higher lactate threshold mean

A

better aerobic system

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6
Q

what does a lower lactate threshold mean

A

worse aerobic system

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7
Q

what 3 pathways does free ADP drive

A

ATP phosphocreatine system

glycolysis

mitochondrial respiration

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8
Q

how does endurance training affect mitochondrial enzyme content (refer to page 32)

A

Increased Mitochondrial Density: Endurance training stimulates the production of more mitochondria within muscle cells. This increase in mitochondrial density allows for greater aerobic energy production.

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9
Q

review page 33

A
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10
Q

is there a difference in submaximal VO2 values between untrained and trained individuals

A

no

only difference in VO2 max

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