Welcome to the Ben Greenfield Fitness.com podcast.

We provide you with free exercise, nutrition, weight loss, triathlon and wellness advice

from the top fitness experts in the nation.

So whether you're an Iron Man triathlete or you're just trying to shed a few pounds,

get ready for non-runner-of-the-mill cutting edge content from Ben Greenfield Fitness.com.

Hey folks, it's Ben Greenfield here and I wrote an article over at BenGreenfieldFitness.com

a while ago called Underground Training Tactics for Enhancing Endurance.

And in that article, I introduced you to the concept of using things like resisted

breathing and restricted breathing and hypoxic training.

To do things like increase your oxygen utilization, your VO2 max, your inspiratory and your

expatory muscle strength or muscle endurance.

And in that article, I actually mentioned something that I use called a power lung, which

is a special portable breathing device that I personally use and have been using when

I drive around in my car or I'm stuck in traffic when I'm watching a movie or waiting

in line at the airport as a way to squeeze in a quick workout for my lungs and my

inspiratory and expatory muscles.

So I keep it in my bag and kind of pull it out whenever I know I have a quick chance

to boost my VO2 max.

So that means I can exercise my lungs just about any time, any place.

But sometimes it's difficult to understand how exactly these things work, whether they're

proven and whether they actually can increase your VO2 max without you having

to go out and exercise and really, you know, how these things actually operate.

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