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SOUTHLAKE - Every workout has its ups and downs. But this one gives people a lift.

Taylor Parrish leads trampoline exercise classes at Urban Air in Southlake, and he's building a loyal following.

The biggest goal of mine is to see everyone sweating... and smiles, Parrish said. Sweat and smiles.

In just four weeks, he's developed a full workout routine. Trampolining adds a few twists to everyday jumping.

It's kind of like being a kid, a little bit, said Dana Lamas, a class regular. You get to jump and go crazy, and you don't get hurt doing it.

To hit the whole body, the class also hits the mats with push-ups. Mountain climbers target the glutes. And every little twitch fires those abs.

In just minutes, even the instructor is breathing hard.

Deanne Vetter made her first visit, and tracked her heart rate with each bounce. When it hit 186 beats per minute, she was sold.

[It's] more bang for your buck, Vetter said. If you have an hour's time, you want to do something where you're going to burn more calories.

The trampoline class incinerates calories.

Taylor calculates about a thousand calories per hour. That's about the same as running six or seven miles, but without pounding on the pavement.

[On pavement,] your knees and your hips and your ankles are absorbing all that energy, Parrish said. Well, here you have a trampoline absorbing and counteracting that energy.

Thousands of springs soften every foot fall. Lamas survived all 60 minutes, leaping with a broken ankle.

Doctor said if it doesn't hurt, do it, she said.

That's one reason retired Texas Ranger Rusty Greer jumped into the class. The athlete's joints avoid more wear and tear, and he avoids the monotony of the treadmill.

If I go hard for a little bit, and I get winded some time, I can slow my bounce down, get my lungs under me and go again, Greer said.

Word of mouth has launched the popularity, and now there are demands for more options. Urban Air is about to add night classes and new ways to exercise.

Boot camps, cross training for the football players and different athletes, said owner of Urban Air, Michael Browning. We're even looking at wakeboard training in the foam pit.

The park was built as a play place for kids. But, when adults spring into action and follow Taylor's lead, there's no telling how high trampolining can jump into the world of exercise.

E-mail cnorton@wfaa.com

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