AMPING UP YOUR EXERCISE PROGRAM
- OR STARTING ONE FROM SCRATCH!
INTERVAL TRAINING - Adding bursts of speed
"Reprinted with permission of Mayo Foundation for
Medical Education and Research. All rights reserved."  
alike. Here's how it works.
By Mayo Clinic staff

Are you ready to shake up your workout routine? Do you wish you could burn more calories without
spending more time at the gym? Consider aerobic interval training. Once the domain of elite athletes,
interval training has become a powerful tool for the average exerciser, too.

What is interval training?

It's not as complicated as you might think. Interval training is simply alternating bursts of intense activity
with intervals of lighter activity.

Take walking. If you're in good shape, you might incorporate short bursts of jogging into your regular brisk
walks. If you're less fit, you might alternate leisurely walking with periods of faster walking. For example, if
you're walking outdoors, you could walk faster between certain mailboxes, trees or other landmarks.

What can interval training do for me?

Whether you're a novice exerciser or you've been exercising for years, interval training can help you jazz up
your workout routine. Consider the benefits:














How will my muscles respond to interval training?

During intense exercise, muscles produce waste products that can contribute to muscle soreness. Too many
accumulated waste products can make exercise painful and exhausting. But by alternating bursts of intense
exercise with easier intervals, you'll help reduce the buildup of waste products in your muscles. The result is
more comfortable exercise.

Are the principles of interval training the same for everyone?

Yes. But you can take interval training to many levels. "If you simply want to vary your exercise routine, you
can determine the length and speed of each high-intensity interval based on how you feel that day," says
Tom Allison, Ph.D., an exercise physiologist at Mayo Clinic, Rochester, Minn. This casual approach to interval
training is known as fartlek, a Swedish term meaning "speed play."

After warming up, you might increase the intensity for 30 seconds and then resume your normal pace. The
next burst of more intense activity may last two to three minutes. "The intervals can vary throughout your
workout," Dr. Allison says. "How much you pick up the pace, how often and for how long is up to you."

If you're working toward a specific fitness goal, you may want to take a more scientific approach. A personal
trainer or other expert can help you time the intensity and duration of your intervals — which may include
movement patterns similar to those you'll use during your sport or activity — based on your target heart
rate, the ability of your heart and lungs to deliver oxygen to your muscles (peak oxygen intake) and other
factors.

"This type of interval training also adds variety to your workout, but it requires more discipline and
concentration," Dr. Allison says. "You'll plan shorter periods of intense activity and shorter recovery periods."

Does interval training have risks?

Interval training isn't appropriate for everyone. If you have a chronic health condition or haven't been
exercising regularly, consult your doctor before trying any type of interval training.

Also keep the risk of overuse injury in mind. If you rush into a strenuous workout before your body is ready,
you may hurt your muscles, tendons or bones. Instead, start slowly. Try just one or two higher intensity
intervals during each workout at first. If you think you're overdoing it, slow down. As your stamina improves,
challenge yourself to vary the pace. You may be surprised by the results
Talk to your doctor before starting any exercise program especially if you have chronic health
condition such as heart disease, high blood pressure or diabetes or you take medications such as
exercise program in a long time.

The author assumes no responsibility for any injury and/or damage, and/or loss sustained to
persons or property using this information’s, negligence or otherwise, or from any use of operation
of any products, methods, instructions, or ideas contained in the material herein.

The author is not a therapist and does not offer therapy, cures or treatments of any kind. The
author is not a medical physician nor affiliated with any medical personnel.  If counseling or health
care is needed, please consult a local professional.

The author is sharing the journey of her weight loss and things that work for her, and does not
mean to imply that it will automatically happen for you, too.

But… it could happen!
  • You'll burn more calories. The more vigorously you exercise, the more calories you'll burn — even
    if you increase intensity for just a few minutes at a time.

  • You'll improve your aerobic capacity. As your cardiovascular fitness improves, you'll be able to
    exercise longer or with more intensity. Imagine finishing your 60-minute walk in 45 minutes — or
    the additional calories you'll burn by keeping up the pace for the full 60 minutes.

  • You'll keep boredom at bay. Turning up your intensity in short intervals can add variety to your
    exercise routine.

  • You don't need special equipment. You can simply modify your current routine.
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