Originally Posted by
GeorgeBMac
Or, I have heard, riding longer at "just above" the lactic threshold will also increase it. My cardiologist was happy with everything except what he called my "ventillatory anaerobic threshold" -- aka lactic threshold. He said my VAT occurred at a heart rate of 114BPM -- so he told me to get my average up to 120 or higher.
There are many levels that will increase your threshold. But there is a trade off between training effect and recovery time. That's why it is better to do 10 or 20 minute intervals at slightly below threshold so you can go again a day or two later.