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Friday, May 23, 2008

Best Exercise to Keep Your Heart Healthy

Good news! You don't have to run miles every day to have a healthy heart. A brisk walk around the park or on the treadmill is likely enough exercise to keep your heart strong, according to a study from the Duke University Medical Center.

Specifically, you need to walk at a fast pace for two to three hours each week, which translates to 30 to 45 minutes most days of the week, to significantly cut your risk of cardiovascular disease, reports The Associated Press. This supports earlier research that reached a similar conclusion. "The classic question always is: What's the minimum amount I need to do to enjoy the benefits of it?" lead study author Brian Duscha told AP. "If you just walk 12 miles a week at a brisk pace, it's scientifically proven now that you will get some benefits."

The study: More than 130 middle-aged and overweight sedentary men and women who were at risk for heart disease participated in the study. Each was placed in one of these four groups:

* No exercise.
* Walk briskly for 12 miles a week at moderate intensity.
* Walk briskly or jog slowly 12 miles a week at a vigorous intensity.
* Jog 20 miles a week at a vigorous intensity.

Two measurements of fitness were taken: the time to exhaustion and oxygen consumption. The better shape you're in, the more oxygen you can consume and use.

The results: Participants in all three groups who exercised saw fitness improvements. Walking briskly at either a moderate intensity or vigorous intensity provided similar levels of peak oxygen consumption. (Those who jogged had even higher oxygen consumption, so more exercise is better.)

If you exercise and don't lose weight, don't despair. Duscha says that as we age, we gain about 4 pounds a year if we maintain the same diet and don't exercise. So if you're maintaining your weight year-after-year in middle age, congratulate yourself!

The study findings were published in the journal Chest.
source: Netscape.com

NordicTrack Apex 4600 Treadmill on sale for $999.88. at Sears. Save $600 until 5/31!

The NordicTrack Apex 4600 treadmill features a powerful 2.75 horse power commercial-grade DurX motor that provides smooth operation for longer periods of time and is quieter than standard motors. The 20" x 60" 2-ply commercial treadbelt is our largest and most durable treadbelt and can handle heavy use. To make your workout even more comfortable, you get DuraSoft Adjustable Cushioning that allows you to select the perfect level of cushioning that's just right for you. The 2.5" commercial steel rollers make for an incredibly smooth drive system and they extend the life of the treadmill. With a 325 lb. weight capacity deck, this treadmill is ready to handle long workouts. To keep your workout interesting, the NordicTrack Apex 4600 features 12 built-in workout programs including 2 heart rate programs and 2 learn programs. The new ClearView Backlit Display is perfectly clear and easy to read. The console includes a 7x10 workout matrix that displays your workout graphically.

The Apex 4600 gives you peace of mind with a 15-year motor warranty, 2 years on parts and 1 year of labor.

* 0-12 MPH 1-Touch™ Speed Control allows you to instantly adjust your speed up or down with the single touch of a button instead of having to tediously scroll through options
* 0-12% 1-Touch™ Power Incline® capability can be adjusted instantly with the single touch of a button (By increasing your incline, you burn calories at a faster rate)
* 8 Personal Trainer workouts automatically adjust the speed and incline of the treadmill during your workout
* 2 Heart Rate workouts help you stay in your target workout zone by automatically increasing the speed based on your heart rate
* 2 Learn™ programs that you can customize yourself
* Adjustable DuraSoft™ Cushioning system provides a more comfortable exercise surface while also reducing impact on your joints
* Patented, revolutionary SpaceSaver® Design with AirLight™ Lift Assist Shock allows your treadmill to fold vertically for storage
* PowerPulse™ Heart Rate Monitor accurately monitors your heart rate to ensure you are in the proper training zone with the pulse sensitive sensors that are built right into the handlebars
* Commercial-Grade Drive System features a 2.75 HP commercial motor, precision 2.5" rollers, large 2-ply treadmill belt and a failsafe controller
* Goal Setting Programmability - In addition to the pre-programmed workouts, this treadmill helps you set your own goals. You can choose from goals like steps, pace, calories, time and more