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There Is No Such Thing as Cardio (Actual Science)

Cardio. I lift weights faster.

Resistance training to momentary muscular failure improves cardiovascular fitness in humans.

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Abstract:

Steele J, Fisher J, McGuff D, Bruce-Low S, Smith D. Resistance Training to Momentary Muscular Failure Improves Cardiovascular Fitness in Humans: A Review of Acute Physiological Responses and Chronic Physiological Adaptations. JEPonline 2012;15(3):53-80.

Research demonstrates resistance training produces significant improvement in cardiovascular fitness (VO2 max, economy of movement). To date no review article has considered the underlying physiological mechanisms that might support such improvements. This article is a comprehensive, systematic narrative review of the literature surrounding the area of resistance training, cardiovascular fitness and the acute responses and chronic adaptations it produces. The primary concern with existing research is the lack of clarity and inappropriate quantification of resistance training intensity. Thus, an important consideration of this review is the effect of intensity. The acute metabolic and molecular responses to resistance training to momentary muscular failure do not differ from that of traditional endurance training. Myocardial function appears to be maintained, perhaps enhanced, in acute response to high intensity resistance training, and contraction intensity appears to mediate the acute vascular response to resistance training. The results of chronic physiological adaptations demonstrate that resistance training to momentary muscular failure produces a number of physiological adaptations, which may facilitate the observed improvements in cardiovascular fitness. The adaptations may include an increase in mitochondrial enzymes, mitochondrial proliferation, phenotypic conversion from type IIx towards type IIa muscle fibers, and vascular remodeling (including capillarization). Resistance training to momentary muscular failure causes sufficient acute stimuli to produce chronic physiological adaptations that enhance cardiovascular fitness. This review appears to be the first to present this conclusion and, therefore, it may help stimulate a changing paradigm addressing the misnomer of ‘cardiovascular’ exercise as being determined by modality.

Link to Author’s blog: James Steele

I knew it!  I fucking knew it!  I’ve been saying it for YEARS and finally I have found scientific proof that you NEVER HAVE TO DO CARDIO AGAIN.  And this is science bitches.  Not fake science.  Not shit I make up.  Not hyperbolic assertions.  Real fuckin’ science.

This article was published in the Official Research Journal of the American Society of Exercise Physiologists.  Everybody who works there has a PhD.  I counted 19 members on the review board for this publication, plus an Editor-in-Chief.  If you count the five authors of the scientific paper, you are brought to a grand total of 25 PhDs that approved of this research that says, and I paraphrase: “weightlifting alone will improve your cardiovascular fitness.”

Therefore, one can conclude that traditional “Cardio” exercises are for the uneducated - science says so.

-Tony “I Told You So” Muscoli

 
95 notes

Posted at 12:23pm
Tagged Cardio Weightlifting Science Broscience

 


Notes

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  12. dropsets-and-rough-sex reblogged this from twoscoopsgethuge
  13. crusadermaximus reblogged this from twoscoopsgethuge and added:
    I typically do 10-15min on an elliptical on interval mode just to warm up, then I lift weights the rest of my gym...
  14. attemptingmyperfection reblogged this from constantbeastmode
  15. feministfitspo reblogged this from nicollejeannette and added:
    While this is awesome if you’re only trying to get in shape, if you’re trying to run track or train for a sport that...
  16. nicollejeannette reblogged this from twoscoopsgethuge
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  20. mandathon reblogged this from noglutesnoglory
  21. noglutesnoglory reblogged this from the-iron-angel and added:
    Okay, but I actually like the workout I get from running and I like that runners high, so let me run! Heh.
  22. deadboltdomderailed reblogged this from twoscoopsgethuge