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APPLIED EX SCIENCE > EXERCISE CAPACITY TESTING > Flashcards

EXERCISE CAPACITY TESTING Flashcards

1
Q

What are 7 risks of exercise testing?

A

Muscle soreness

diaphoresis

SOB

angina

MI

stroke

death

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2
Q

What is the actual risk of death during exercise testing?

A

Actual risk of death during exercise testing is very low 0.5/10,000 tests due to appropriate screening and adherence to established methods of conducting the tests

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3
Q

Sub maximal testing

A

LLGXT- low level graded exercise test

Field testing

other: walk, bike, perform activity (time/distance)

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4
Q

What are important measures to take during an endurance test?

A

HR, BP, RPE, RR

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5
Q

What are standardized procedures to follow before and after a submaximal test?

A

-explain procedure

-avoid max activity for 24 hours prior

-avoid these 2-3 hours prior:
–large meal
–nicotine
–caffeine

-repeat submax test

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6
Q

General guidelines of submax test:

A

warm-up: 2-3 minutes

-measure HR, BP, RPE at regular intervals
–> until the HR reaches a steady state
–> if HR does not reach steady state at end of stage, extend stage by 1 minute

-increase intensity in 0.5 to 2 MET increments

-observe subject for signs and symptoms

cool down: low intensity for >/= 4 minutes
-continue measuring HR, BP, and RPE

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7
Q

Assumptions of a submax exercise test:

A

-a steady state HR is found for each exercise work rate

-a max HR for a given age is uniform (220-age)

-mechanical efficiency is the same for everyone (VO2 at a given work rate)

-there is a linear relationship between HR and workload

  • HR will vary depending on fitness level between subjects at any given workload.
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8
Q

When has it been suggested that submax exercise testing underestimates/overestimates VO2max?

A

underestimates in untrained individuals

overestimates in trained individuals

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9
Q

Predicted versus performance submaximal exercise testing

A

Predicted tests
-are submaximal tests that are used to predict maximal aerobic capacity

Performance tests
-measuring the responses to standardized physical activities that are typically encountered in everyday life

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10
Q

What are the advantages of submax testing?

A

-safer
-controlled pace (participant motivation less of a factor)
-not population specific
-quick assessment
-affordable
-do not need highly trained personnel
-can do mass testing
-don’t need physician supervision (must be symptom and disease free)

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11
Q

Disadvantages of submax testing:

A

-VO2max is not directly measured (can be 10-20% from true value)

-true max HR is not measured
(220-age has a +/- 15 error range for ppl of same age)

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12
Q

Pros and cons of MAX testing

A

PROS
-accuracy

CONS
-health risk
-time
-high cost (need metabolic cart)
-personnel (MD supervision required)

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13
Q

Examples of maximal exercise tests:

A

Bruce-treadmill
-younger fitter

Modified Bruce- treadmill
-elderly, sedentary
-more gradual increase in intensity than Bruce

Balke - peak VO2 in cardiac patients; treadmill
-gradually increase intensity

Naughton - Treadmill
-gradually increase intensity
-1 MET increase per stage

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14
Q

Characteristics of modified bruce protocol

A

Stage 0: 1.7 mph, 0% grade

Stage 0.5 : 1.7 mph, 5% grade

-generally good correlation with predicted VO2 and measures VO2 based on this test

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15
Q

Characteristics of cycle ergometer testing:

A

Indicated for:
-balance disorders
-obesity
-MSK problems (can’t WB)

Protocol:
◦ 1 watt = 6.12 kpm/min
◦ Start at 150 kpm/min and increase by 150 kpm/min every 2-3 min
◦ Start at 50 watts and increase by 25 watts every 2-3 min

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16
Q

Male and female Astrand Cycle Rhyming Test instructions:

A

MALES:
-Start subject at 75 watts for 2-minutes, at 50 revolutions per minute (RPM).
-Progress workload to 100, 125, or 150 watts dependent on age, size, and expected physical condition.
-Your goal is to establish a working submaximal heart rate of 130-170 beats per minute (this heart rate is dependent on age).
-Once you have attained this target heart rate maintain the workload for an additional 5 minutes, while measuring heart rate and blood pressure at each minute.

FEMALES:
-Start subject at 50 watts for 2-minutes, at 50 revolutions per minute (RPM).
-Progress workload to 65, 85, or 100 watts dependent on age, size, and expected physical condition.
-Your goal is to establish a working submaximal heart rate of 130-170
beats per minute (this heart rate is dependent on age).
-Once you have attained this target heart rate maintain the workload for an additional 5 minutes, while measuring heart rate and blood pressure at each minute.

16
Q

When would you want to perform arm ergometry or air-dyne testing?

A

-vascular, neuro, or orthopedic impairment of LEs

ARM ERG
-Incremental workloads of 10 – 25 watts for every 2-3 minute
stage

AIR-DYNE (arms alone)
-Starting at .5 Air-Dyne Units and increasing by .5 Units every
2-3 minutes

17
Q

What populations would you perform MAX exercise testing with?

A

-males and females in good health
-ages 18-70
-trained and untrained
-pregnant females aged 31 at time of delivery

18
Q

What three tests are included in the Short Physical Performance Battery?

A

Static Balance
-feet together, semi-tandem, tandem

Gait Speed
-4 meter test but don’t stop time until 6 meters

Sit to stand
-5TSTS, stop clock when pt is fully vertical

19
Q

Scores on the SPPB

A

0-3: severe limitations
4-6: moderate limitations
7-9: mild limitations
10-12: minimal limitations

<6: 5 times more likely to have disability, increases fall risk

20
Q

What is a test that measures peak VO2 via walking?

A

Rockport Test

-takes into consideration weight, age, sex, mile walk time in min, HR at the end of the test

-HR at the end of the test should be >120 bpm

** college age individuals: 16-18% over prediction of VO2 in males and 22-23% over prediction in females

21
Q

VO2 max estimation from submax 1 mile jog for fit college age individuals

A

VO2 max= 100.5 + 8.344* SEX (0=female;1=male) – 0.1636BODY MASS (kg) – 1.438JOG TIME (min.mile- 1) – 0.1928*HEART RATE (bpm)

SEX
BODY MASS
JOG TIME
HEART RATE

22
Q

1 Mile RUN/WALK VO2peak estimation

A

-8.41 (MRW) + .34 (MRW)^2 + .21 (age x sex) - .84 (BMI) + 108.94

23
Q

Step Test: Canadian Aerobic Fitness Test

A

3 minute step test

16.25 inch step

R=0.75, SEE 2.9 mlO2/kgmin (standard error of estiimate)

◦ SEE 4.1 mlO2/kgmin

24
Q

Bench step test

A

-22 step/min for 3 minutes FEMALE, 24 step/min for 3 min for MALE

-88 bpm metronome FEMALE
-96 bpm MALE

-find pulse after 3 min

-after completion of exercise, wait five seconds and then count heart rate for 15 seconds –> multiply this number x4 (bpm)

VO2 = 65.81 – (0.1847 x HR in bpm) FEMALE

VO2 = 111.3 – (0.42 x HR in bpm)

25
Q
A

APPLIED EX SCIENCE (16 decks)

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