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Fitness management 386 > Final Exam > Flashcards

Final Exam Flashcards

1
Q

What does maximal consumption of o2 depend on?

A

Cells’ ability to extract and use o2, and ability of cardiovascular and respiratory systems

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2
Q

Historically, VO2max = what??

A

test of choice for predicting endurance success, but is not only test to be used to eval physical work capacity of endurance athletes

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3
Q

VO2max provides what ?

A

Important information about CV fitness and prognosis, see population specific norms for interpretation, and VO2max not strongly related to ventricular function

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4
Q

What indications do vo2max provide?

A

Indications to confirm max effort has been elcited: failure of HR to increase w/ further increases in exs intensity +/- 10 beats of HRmax

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5
Q

What indications do vo2max provide?

A

Indications to confirm max effort has been elcited: failure of HR to increase w/ further increases in exs intensity +/- 10 beats of HRmax

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6
Q

direct calorimetry

A

human calorimetry

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7
Q

Indirect calorimetry is what?

A

open circuit spirometry by the subject inhaling ambient air

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8
Q

Amount of O2 in ambient air?

A

20.93% o2

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9
Q

% CO2 ambient air

A

0.03% CO2

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10
Q

% N ambient air

A

79.03% N in the air

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11
Q

direct calorimetry what % of energy is liberated during fat and glucose metabolism to generate what?

A

40% generate ATP

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12
Q

direct calorimetry what % of energy is liberated during fat and glucose metabolism to generate what?

A

40% generate ATP, remaining 60% enrgy converted to heat

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13
Q

STPD correction factor is what?

A

Reference conditions of temp and pressure with which you will be concerned

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14
Q

standard temp for STPD

A

0 degrees

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15
Q

stand Presure for STPD

A

760 mm Hg

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16
Q

Dry in stpd

A

elimination of water vapor

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17
Q

273 in stpd eqn is

A

kelvin in centigrade

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18
Q

Oxygen consumption is defined as

A

amount/volume of oxygen consumed/min (vo2)

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19
Q

Ve

A

minute ventilation

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20
Q

F

A

fraction/ percentage

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21
Q

FEo2

A

fraction of expired oxygen, measured w/ o2 analyer

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22
Q

FEco2

A

fraction of expired CO2; meausred w/ co2 analyzer

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23
Q

FIo2 and FIco2 is what value?

A

known value

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24
Q

resting metabolic rate =

A

energy balance

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25
Q

resting metabolic rate =

A

energy balance

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26
Q

Energy balance =

A

energy input-energy output 24-hr energy expenditure

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27
Q

RMR ~

A

60-75% of Total Daily Energy Expenditure (TEE)

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28
Q

Thermic Effect of Food (TEF)

A

increment in TEE as result of food ingestion (digestionm transformation, storage) ~ 10%

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29
Q

Thermic Effect of Activity (TEA)

A

15-30% of 240hr energy expenditure (PA, muscular activity, shivering, and fidgeting)

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30
Q

Ve is measusred in

A

L/min

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31
Q

VO2 is measured in

A

ml/min

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32
Q

R=

A

respiratory quotient

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33
Q

HR measured how ?

A

beats/min

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34
Q

FEO2

A

Fraction of expired oxygen

35
Q

FECO2

A

Fraction of expired CO2

36
Q

FECO2

A

Fraction of expired CO2

37
Q

When is VO2max achieved?

A

VO2 at which performance of increasing levels of supramaximal work failed to further increase VO2

38
Q

When is VO2max achieved?

A

VO2 at which performance of increasing levels of supramaximal work failed to further increase VO2

39
Q

What is the upper limit in VO2?

A

Upper limit in VO2 can be determined by incremental testing, where there a plateau of VO2 despite further increases in work rate +/- 150 ml/min (vo2max plateua)

40
Q

Lactate greater than 8 mM means

A

VO2max attained

41
Q

RPE > 17 means

A

vo2max attained

42
Q

RQ/RER >/= to 1.15 is

A

vo2max attained

43
Q

HR plateau is VO2max attained when

A

within +/- 10bpm of HRmax

44
Q

Physiological rationale for vo2max

A

pumping limit of heart, potential for O2 extraction

45
Q

VO2max test reliability r =

A

0.95

46
Q

VO2max test standard error

A

= 2.5% to 6 or 8%

47
Q

VO2max test standard error

A

= 2.5% to 6 or 8% or 2-4 ml/kg/min

48
Q

What does LT conceptually represent ?

A

Exercise level, power output, VO2, or Energy Expenditure, and where tissue hypoxia triggers an imbalance betweeen : lactate formation and its clearance

49
Q

What does LT conceptually represent ?

A

Exercise level, power output, VO2, or Energy Expenditure, and where tissue hypoxia triggers an imbalance betweeen : lactate formation and its clearance

50
Q

What VO2max measurement proves 3 f(x)?

A

1) Senstive indicator of aerobic training status
2) predicts endurane performance, often greater accuracy than VO2max
3) Est. an effective training intensity geared activate muscles’ aerobic metabolic dynamics

51
Q

3 diff indicators of LT

A

Fixed blood lactate [ ]
VT
Blood lactate- exercise VO2 repsonse

52
Q

3 diff indicators of LT

A

Fixed blood lactate [ ]
VT
Blood lactate- exercise VO2 repsonse

53
Q

Phase I has what?

A

a greater amt of O2 is being extracted by the tissues resulting in a gradually decreasing Feo2 in expired air

54
Q

What linear increases in phase I?

A

VO2, Ve, and HR

55
Q

Greater amount of what are produced in phase I?

A

Greater amts of CO2 produced, therefore, FeCO2 and VCO2 increased

56
Q

Greater amount of what are produced in phase I?

A

Greater amts of CO2 produced, therefore, FeCO2 and VCO2 increased

57
Q

Phase II is what %VO2max

A

40-60%

58
Q

Phase II what rises linearlly?

A

VO2 and HR

59
Q

in phase II what rises twice resting values

A

LA

60
Q

What increases for respiratory compensation in phase II?

A

VE and VCO2

61
Q

in phase II what rises due to lower extraction of oxygen per volume of air ventilated?

A

FEO2

62
Q

Phase III is what % vo2max

A

65-90%

63
Q

in phase III what rises linearly until maximal workload and then plateau

A

VO2 and HR

64
Q

in phase III VE further what?

A

increase to compensate for marked rise in LA and Co2

65
Q

What drops off in phase III?

A

FECO2

66
Q

What continues to rise in phase III?

A

FEO2

67
Q

What continues to rise in phase III?

A

FEO2

68
Q

When is VT?

A

VT is between phase II and III

69
Q

Inbetween phase II and III, what has a non-linear increase?

A

Ve

70
Q

What declines in btwn phases II/III?

A

FEco2 declines

71
Q

What declines in btwn phases II/III?

A

FEco2 declines

72
Q

2 other varriables affected by VT/ inbtwn Phase II/III?

A

% VO2max

%HR

73
Q

2 other varriables affected by VT/ inbtwn Phase II/III?

A

% VO2max
%HR
How? email axtell

74
Q

2 other varriables affected by VT/ inbtwn Phase II/III?

A

% VO2max
%HR
How? email axtell

75
Q

Duration of VO2max test for the average motherfo

A

6-12 minutes

76
Q

Duration of VO2max test for exceptional mofos

A

occasionally as long as 20 min

77
Q

What equipment is used to stimulate exercise for the VO2max test?

A

treadmill or bike ergometer
flume/tethered swimming
EKG (optional)

78
Q

What equipment is used to stimulate exercise for the VO2max test?

A

treadmill or bike ergometer
flume/tethered swimming
EKG (optional)

79
Q

How to select increment size

A

Dependent upon the patient history. Especially the amount and intensity of daily activities). Better to over estimate work increment resulting in a shorter test which may allow for retesting.

80
Q

VIO2 =

A

(VI) * (FIO2)

81
Q

VEO2 =

A

(VE)*(FEO2)

82
Q

VO2=

A

VIFIO2- [VEFEO2]

83
Q

VI =

A

VE* FEN2/FIN2

Fitness management 386 (6 decks)

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