APK4125 Lab 4 Quiz

submaximal VO2 testing

a method of estimating cardiovascular endurance without having the client use maximal effort

85

a sub-maximal test never has the client go over ____% of age-predicted HR max

HR; HR

Because of the strong linear relationship between _____ and VO2 many sub-maximal tests use _____ to estimate VO2 max

graphing; equation

Collected HR data is used to estimate VO2 max via two methods: _____ method and ____ method

- Both rely on relationship of HR and VO2

more; safer

VO2 max testing is _____ accurate, but often times submax tests are more practical than max tests because they are _____ and quicker to administer

Astrand-Rhyming Cycle Ergometer Test

Examples of Submaximal Tests:

Single Stage cycle test (6 minutes)

Queens College (McArdle) Step Test and YMCA Step Test

Examples of Submaximal Tests:

Single Stage Step Test (3 minutes)

Harvard (Brouha) Step Test

Examples of Submaximal Tests:

Single Stage Step Test (5 minutes)

Rockport Walking Test

Examples of Submaximal Tests:

Self-paced walking field test (Duration of mile)

6 Minute Walk Test

Examples of Submaximal Tests:

Self-paced walking field test (6 minutes)

YMCA Cycle Ergometer Test

Examples of Submaximal Tests:

Grade exercise test (6-12 minutes)

Harvard; YMCA; 6

some submaximal tests weren't created to estimate VO2 (e.g., _____ step test, ____ step Test, _____-minute walk test)

Steady-state; Linear; mechanical; age-predicted

Sub-maximal tests that estimate VO2 are based on four fundamental assumptions:

- ______ HR is achieved during each interval (stage of GXT or single stage)

- _____ relationship between HR and VO2

- Equal _____ efficiency for everyone

- Accurate _____ HR max equation

5-15

In general, HR is a good predictor

- ______% possibility of error depending on which prediction equations used

VO2 max

HR max coincides well with _____

Fick equation

VO2 = Cardiac output x a-VO2 diff

60; HR

because SV and a-VO2 difference max out before ______% of maximal effort. The only component increasing VO2 after that point is _____

slope

the ______ of the HR/Workrate relationship indicates fitness level

work capacity

YMCA Cycle Ergometer Test:

First introduced in the “Y’s Way to Physical Fitness” in 1989 the test was made to predict maximal ________

work; oxygen

YMCA Cycle Ergometer Test:

Because of the strong relationship between _____ rate, heart rate and _____ consumption it was quickly used to estimate VO2 max

2; 4; three

YMCA Cycle Ergometer Test:

A graded exercise test that consists of ____ to _____ _____-minute stages

- not always 3 mins (if they don't get to a steady state)

popular; various

YMCA Cycle Ergometer Test:

- Over the past 30 years the YMCA cycle ergometer test has become on of the most ______ submaximal tests available

- There are ______ modified protocols that exist, but in this lab the standard protocol will be used

220 - age

age-predicted maximal HR equation

APMHR; lowest; 25; 50; 100

YMCA Cycle Test Protocol:

- Calculate _____ (220-age)

- Explain test and purpose of test to client

- Properly adjust the height of the seat for the client. When the pedal is at its ______ point of rotation, the knee of the client should be ______ degrees or less from full extension (depending on what the client finds more comfortable)

- Client should start pedaling at ______ rpm and keep that pace through entire test (have client start pedaling before resistance is adjusted)

- If there is no RPM monitor on the cycle ergometer, set a metronome to ______ for the proper pace

2-3; same; 150; resistance; 2; 3; 5; same

YMCA Cycle Test Protocol:

- Warm-up: _____ min at _____ intensity as 1st stage (150 kgm/min)

- Stage 1 begins at same workload: ______ kgm/min (0.5 kp)

- HR at end of first stage determines the ______ for the following stages

- In subsequent stages, assess HR at end of ____nd and ____rd minute

- HRs mist be within _____ bpm to be considered "steady state"

- If not steady state, continue at _____ workload for another minute

2; RPE; HR

YMCA Cycle Test Protocol:

The following measurements should be made during each stage:

- BP at end of _____nd minute

- ______ at end of 2nd minute

- _____ at end of 2nd and 3rd minute

110; stop; two; VO2 max

YMCA Cycle Test Protocol:

- The client continues until they reach two stages above ______ bpm (if a client reaches 85% of their APMHR before two stages the test was unsuccessful, and they need to _______)

- Following the completion of ______ stages above 110bpm take the data and graphically or mathematically estimate their ______

2

it takes ____ heart rates for steady-state

0.5

Warm-up: 3 min at _____ kp resistance

150; 0.5

stage 1: _____ kgm/min and ____ kp

750; 2.5; 900; 3.0; 1050; 3.5

HR < 80:

2nd stage: _____ kgm/min and _____ kp

3rd stage: ______ kgm/min and ____ kp

4th stage: _____ kgm/min and _____ kp

600; 2.0; 750; 2.5; 900; 3.0

HR 80-89:

2nd stage: _____ kgm/min and _____ kp

3rd stage: ______ kgm/min and ____ kp

4th stage: _____ kgm/min and _____ kp

450; 1.5; 600; 2.0; 750; 2.5

HR 90-100:

2nd stage: _____ kgm/min and _____ kp

3rd stage: ______ kgm/min and ____ kp

4th stage: _____ kgm/min and _____ kp

300; 1.0; 450; 1.5; 600; 2.0

HR >100:

2nd stage: _____ kgm/min and _____ kp

3rd stage: ______ kgm/min and ____ kp

4th stage: _____ kgm/min and _____ kp

6; 300

1 revolution (fly wheel) takes you _____ m. So you can multiple kp by _____ to get kgm/min

Resistance; kilogram-force; non

______ is traditionally measured in Kiloponds (Kp) in the YMCA cycle ergometer test. A kilopond is also known as _______. Literally it's the force exerted by one kilogram of mass in gravity. It's a _____-standard gravitational metric unit of force. To convert to Newtons multiply by 9.806.

Power; 1; non

______(workrate) is traditionally measured in kilogram-meters/minute (kg-m/min) in the YMCA cycler ergometer test. This equals one kilogram-force (kp) moved _____ meter in a minute. It's a ______-standard gravitational metric unit of power. To convert to watts multiple by 0.1634

rotations per minute

RPM

resistance; distance; 300

Work rate can be calculated for each stage by multiplying the ______ by the RPMs and the ______ covered with each rotation. On a monarch cycle ergometer the distance covered with each rotation is 6 meters.

- Kp x 50 x 6 meters → Kp x _____ m/min

very poor

Men ages 20-29:

29.0 - 35.4

Women ages 20-29:

21.7 - 26.2

poor

Men ages 20-29:

38.1 - 43.5

Women ages 20-29:

28.6 - 33.6

fair

Men ages 20-29:

44.9 - 49.0

Women ages 20-29:

34.6 - 38.9

good

Men ages 20-29:

50.2 - 55.2

Women ages 20-29:

40.6 - 44.7

excellent

Men ages 20-29:

57.1 - 61.8

Women ages 20-29:

46.5 - 51.3

superior

Men ages 20-29:

66.3

Women ages 20-29:

56.0