3 Great exercises for a 15-minute workout

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PHOENIX -- When it comes to working out, you don't have to dedicate hours a day to get positive results.

In fact, a new study shows that just 15 minutes a day -- 90 minutes a week  -- could add as much as three years to your life.

Brooke Trowbridge from Life Time Fitness, showed Scott Pasmore and Tara Hitchcock three moves you can put together into a 15-routine.

Trowbridge also recommends including cardio into your workout routine.

Life Time Fitness is located at 6850 E. Chauncey Lane, Scottsdale, AZ 85054.  For more information, call 480-538-9009 or visit www.lifetimefitness.com.