Tag Archives: headache

CO2 Headache

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It’s clear that my crawl without breath work is helping! I’m glad to notice a few things now that I’m busy with these schedules:

  1. Sticky; the more you are in the water, the better you can ‘feel’ the water. While doing a crawl in pulling myself forward, it gets easier and easier to make the water more sticky.
  2. No more shoulder pain; normally when I did crawls while not on a schedule, I felt a little ‘knack’ in my right shoulder while doing the crawl motion. I’m not sure if the added weightlifting helped in fastening my shoulder again, but for sure it feels great to swim injury free
  3. Zen State; because you swim the same lane over and over again, it gets easier and easier to get in a sort of Zen state, where I forget what I’m doing and am more in a dream state than in active fighting mode.
  4. CO2 Tolerance; it’s clear that if you do repeated schedules of CO2 work, your body learns to work with higher levels of CO2 and work gets easier and easier every week. Not only that; I also find after doing 20-25 minutes of doing CO2 work, that things are really getting easier. ┬áThe spleen at work!
  5. CO2 Headache; after a few minutes after finishing the workout, a headache turns up. Not really bad, but it’s a clear sign that the training is working and the CO2 is giving me this ‘pain’. Good to know that it works.