Lactate Threshold and Blood Lactate Testing
Last Friday, I was fill in for one of Krista Schultz’s blood lactate tests after her client canceled because he was sick. She needed a test subject and I was curious what my power output at Lactate Threshold (LT) was. What is lactate? First, let’s start with pyruvate. Pyruvate is a byproduct of anaerobic glycolysis, which is the breakdown of glycogen (or carbohydrate) for energy by the muscles without requiring oxygen during the process. Pyruvate then either: Enters the mitrochondria in a muscle’s cells for conversion to Acetyl-CoA and entry into the Kreb’s cycle...
Read MoreUnderstanding VO2 Max: What Does It Tell You? (Part 2)
Universal Sports web producer Jason Devaney recently visited Krista Schultz, MEd, CSCS to have his VO2 max tested. He learned he has a VO2 max of 55.3 ml/kg/min, which is well above his age predicted value of 44. So what does that number tell him? (Note: you can read more about Jason’s testing experience on Jason’s blog). As discussed in my previous article: “Understanding VO2 Max: What Exactly Is It?” VO2 max can be defined as “the maximal rate at which an individual can process oxygen.” By itself, an individual’s VO2 max number is simply a good...
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