Exercise Physiology Flashcards

1
Q

1 MET =

A

3.5 mL O2/kg/min

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2
Q

3 assumptions that must be met if you are using METS to prescribe exercise?

A

exercise primarily uses aerobic pathway
exercise is performed at a steady state (not incremental)
pt/subject is performing activity w/ biomechanical efficiency

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3
Q

metabolic equivalent of < 3

A

low intensity

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4
Q

metabolic equivalent of 3-6

A

moderate intensity

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5
Q

metabolic equivalent of >6

A

high intensity

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6
Q

walking slowly around home/office or standing with light work (household activities) - MET level?

A

2-2.5

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7
Q

walking 3mph. MET level?

A

3

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8
Q

bicycling on flat ground, 10-12 mph. MET level?

A

6

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9
Q

walking briskly or 4.5mph. MET level?

A

6.3

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10
Q

jogging 5 mph. MET level?

A

8

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11
Q

running 7 mph. MET level?

A

11.5

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12
Q

what are the primary (specific systems) used for aerobic activity?

A

oxidative phosphorylation & ETC systems

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13
Q

HR is _____ associated with workload during moderate intensity exercise.

A

linearly

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14
Q

low intensity exercises are fueled by…

A

free fatty acids and triglycerides

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15
Q

moderate intensity exercises are fueled by…

A

glucose and glycogen first

then FFA & triglycerides

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16
Q

high intensity exercises are fueled by…

A

glucose and glycogen

17
Q

what is a major contributor to CO? what fold increase?

A

HR, 4 fold increase

18
Q

ability to increase VO2 is due to muscles ability to…

A

extract oxygen

19
Q

Tidal volume increases until ____% of vital capacity

A

50-60%

20
Q

After 60% of increase in tidal volume, what increases?

A

RR

21
Q

stroke volume and anaerobic threshold are lower with ___ exercise.

A

UE

22
Q

which coronary artery fuels the apex of the heart?

A

anterior descending off of left circumflex

23
Q

which artery supplies left lateral wall?

A

left circumflex artery