Metabolic/Lactate Test–FAQ’s

How long does the test take?

The test itself takes about 30-45 minutes.  However, you should set-aside an hour-and-a-half total to take into account set-up, warm-up and cool-down.

Do I need to be completely rested to take the test?

It’s best not to do a strenuous workout within two days of the test.  Fatigue can affect a person’s LBP so it’s important to be relatively well-rested.  If you plan to repeat the test over time, you’ll definitely want to follow the same pattern to ensure consistent results.

How much blood do you take to measure the lactate and is it painful?

We use a small, sterile lancet which pricks the skin to draw only a drop of blood.  It’s exactly the small method diabetics use every day to measure their glucose level.  It’s essentially painless.

How is other data collected?

As part of the test you will also be outfitted with two heart rate transmitter belts, one for a Polar heart rate monitor and one for a Suunto heart rate monitor.  The Polar heart unit displays in real-time heart rate variability which will be monitored to identify where your heart begins to fill fully.  This point represents the starting point for your training zones.  The Suunto heart rate monitor is used since its recorded data can be used to estimate respiratory frequency and other biomarkers during the test.

What type of information do I receive after the test?

You will receive a printout showing, in tabular and graphical form, heart rate levels, performance measure such as wattage or running speed and lactate levels, including an identification of your lactate balance point.  You will also receive an assessment of your metabolic zones, e.g. the heart rate zone where you primarily burn fat as a fuel.

How should I use the information from the test in my training and racing?

If you are currently working with a coach, he or she will use the test information to refine your training and racing intensities.  If you aren’t working with a coach, we can give you some very general guidance on how to incorporate the information into your training and racing program.