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Sub-maximal VO2 Testing

12 Minute Run

Reasoning for choosing:

Purpose: To establish an estimated VO2 max.

  • Client has passed pre-screening
  • Client is low risk level
  • Client already has a decent cardiovascular foundation
  • Time efficient
  • Minimal personnel required
  • Facilities

Pre-Test Instructions

Information the client needs to know before the test:

  • Wear loose fitting, exercise type clothing as well as athletic tennis shoes.
  • Avoid tobacco or caffeine 3 hours prior to test
  • Avoid alcohol 12 hours prior to test
  • Avoid strenuous activity or exercise 24 hours prior to test
  • Consume plenty of fluids 24 hours prior to test
  • Get an adequate amount of rest (6-8 hours)

Test Protocol

Test Protocol (continued)

Equipment:

The test will be stopped when/if:

  • Running/walking track with measured distances
  • Visible markers
  • Stopwatch
  • Whistle

Procedure:

  • The whistle is blown, signaling the 12 minute limit is up
  • The client experiences any adverse effects that would be contraindicated to continue testing
  • Severe shortness of breath
  • Sudden onset angina
  • Severe or sudden pain that limits the client's ability to perform

Results and Intepretation

  • Perform brief warm up consisting of (5-10) minutes
  • Client will run as far as possible during 12 minute duration
  • Distance will be recorded and converted into meters (m); 1 lap is a quarter (0.25) of a mile
  • Results will be put into VO2 max formula
  • The client's VO2 max was 53.39 ml/kg/min

Based off of their age (22), weight (190 lbs or 86.07 kgs), and their estimated VO2 max:

  • The client placed into the 80th percentile and would be considered to have an above average VO2 max.

Data and Calculations

  • Distance coverred in 12 minutes: 1.5 miles (1 mile= 1609.34 meters)
  • So 1.5 miles x 1609.34= 2414.01 meters (m)
  • Then we plug (m) ran into the VO2 max formula for this test (VO2 max= [0.0268 x (m)] - 11.3
  • [0.0268 x 2414.01m] -11.3
  • [64.69] - 11.3
  • VO2 max = 53.39 ml/kg/min
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