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Garmin vs. Lab Tests

Garmin vs. Lab Tests

  1. Rebecca Moore and her colleagues at Eastern Michigan, led by grad student Andrew Pearson, used a treadmill test and a Garmin Forerunner 235 (the one with the wrist sensor) to measure VO2 max in 23 volunteers.
  2. In this case, the average VO2 max in the lab was 52.4 ml/kg/min, compared to 49.3 ml/kg/min with the watch—so the watch with the wrist sensor underestimated the lab value, which is the opposite of what the Southern Illinois study found.
  3. The watch consistently underestimated VO2 max, particularly for those with higher values (above 50, a value generally found in sub-20:00 5K runners).


23 reads


Garmin vs. Polar vs. Lab Tests

Garmin vs. Polar vs. Lab Tests

  1. The most comprehensive study came from Bryan Smith and his colleagues at Southern Illinois University Edwardsville.
  2. They estimated VO2 max for 23 women and 26 men using the


41 reads



  1. The best accurate test to measure your VO2 Max is still the lab test.
  2. However, that's only necessary for elite athletes who want to improve their sports performance.
  3. For general users who want to monitor general health and well-being, GPS watches that have the ability to mea...


28 reads

Polar vs. Lab Tests

Polar vs. Lab Tests

  1. Finally, Kent Johnson and Jenny Beadle of Lipscomb University compared the values produced by Polar’s FT60 Fitness Test (the one based on heart-rate variability while lying down) with lab values in 31 subjects.


15 reads

How to Measure Your VO2 Max?

How to Measure Your VO2 Max?

  1. The best is to directly measure oxygen consumed while u exercise to exhaustion; eg. based on the distance during a 12-minute run.
  2. There are also “sub-maximal” exercise protocols that estimate VO2 max based on your heart rate & pa...


38 reads

Chest Strap vs. Wrist Sensor

Chest Strap vs. Wrist Sensor

  1. Another analysis from the same group took a deeper head-to-head look at the data from the two Garmin systems.
  2. Chest straps are considered highly accurate, and the wrist sensors produced heart rate ...


24 reads

What is VO2 Max?

What is VO2 Max?

  1. VO2 max is basically the definitive measurement of aerobic fitness.
  2. It tells you the maximum rate at which you can take oxygen from the air and deliver through it through the lungs into the bloodstream for use by your working muscl...


171 reads

Garmin vs. Polar vs. Lab Tests (cont.)

Garmin vs. Polar vs. Lab Tests (cont.)

  1. The Polar measurements appear to be less accurate—not surprisingly, given that they’re estimating a characteristic of maximal exercise while at rest.
  2. But the deviation seems to be completely different in men and women.
  3. It’s hard to know whether this is an artifact of the pa...


26 reads




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Garmin vs. Polar vs. Lab Tests

Garmin vs. Polar vs. Lab Tests

  1. The most comprehensive study came from Bryan Smith and his colleagues at Southern Illinois University Edwardsville.
  2. They estimated VO2 max for 23 women and 26 men using the


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