Welcome to the Get Fit Guys, quick and dirty tips to slim down and shape up.

My name is Ben Greenfield. I'm the Get Fit Guy, and in this episode, you're going to learn how to burn more fat and build more muscle while playing sports.

So I recently tweeted over at Twitter.com slash get fit guy, the tweet, ever play

cardio tennis. It's one of my faves. Give it a try if you haven't. And in that tweet, I link to an

article that describes the ever-increasing popularity of cardio tennis, in this case in Australia,

but I've also witnessed the growing phenomenon of cardio tennis at my own tennis club here in Washington State.

Well, in this episode, you're not only going to learn how you can use something like cardio tennis to make tennis an extreme sport of fitness that burns more fat and builds more muscle than tennis normally would,

but you'll also learn how to take a couple other popular sports, namely golf and basketball, and optimize

those too. Well, back in the episode, how many calories does yoga burn? I introduced the fact that

even the most difficult of yoga classes, like Bickram Yoga, actually burns far fewer calories

than you'd think, about the same number of calories as walking. Sure, there's growing

popularity of hybrid forms of yoga, like manflow yoga or kettlebell yoga and other forms of

yoga during which you do everything from burpees to push-ups to squats, but ultimately,

the idea is that you can be exercising, but really not be exercising as hard as you'd think.

Even gym classes can be like this.

Case in point.

I once went to the gym to take a metabolism boosting class.

The class was scheduled to begin at 6.30.

So I left my house at 6 to get to the gym and be there by 6.15 so I could get into class.

I then waited around for 15 minutes for class to start,

and then a few extra minutes waiting for latecomers. I then spent another 10 minutes in the class warm-up, although I'd already warmed up while I was waiting. Each section of the class included

demos and instructions from the teacher, and by the time the class was over and we spent 10 minutes doing a

...