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    Results show, after extreme exercise
    0:11

    Results show, after extreme exercise

     17.5K  views
    It's fast, fun and dangerous — the perfect extreme sport.
    0:18

    It's fast, fun and dangerous — the perfect extreme sport.

     17.5K  views
    er 2 hours hypoxia following maximal exercise in normal oxygen condition.
    0:09

    er 2 hours hypoxia following maximal exercise in normal oxygen condition.

     1  view
    finish with... titles... On her debut Winter X Games,
    0:20

    finish with... titles... On her debut Winter X Games,

    Hypoxia Exposure on Buffer Ability of Blood of Hoop Man CUBA after Acute Exercise
    0:19

    Hypoxia Exposure on Buffer Ability of Blood of Hoop Man CUBA after Acute Exercise

     5  views
    The elder7 brother loves extreme8 sports
    0:13

    The elder7 brother loves extreme8 sports

    will also help set up the international training f
    0:14

    will also help set up the international training f

    Like practitioners of extreme sports
    0:13

    Like practitioners of extreme sports