I’m doing HIIT cardios regularly. Does anybody know why my cardio fitness is low? I’ve been wondering this since few years

  • kagrocery
    link
    fedilink
    English
    arrow-up
    1
    ·
    1 year ago

    I’ve found that the only thing that improves my VO2 max is long slow jogs in cardio Zone 3. Anything else actually drops it.