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June 5, 2018

Ask the Doctors – What’s the big deal about 10,000 steps a day?

By Ask the Doctors

Dear Doctors: My New Year’s resolution is to get more exercise and, I hope, lose a few pounds. Walking is an activity I know I can stick with, but I keep hearing that I should aim for 10,000 steps a day. Where does that number come from, and am I wasting my time if I do less?

Dr. Elizabeth Ko and Dr. Eve Glazier

Dr. Elizabeth Ko and Dr. Eve Glazier

In the battle to sit less and move more, you’ve already nailed the crucial element – picking an activity that will survive the inevitable day the New Year’s fervor wears off. Walking is a great option – it’s easy, inexpensive and low-impact, and can be done just about anywhere. Best of all, walking has multiple health benefits.

Walking will do more than just help you control your weight. In fact, even if you don’t lose any weight at all, you’ll still come out ahead. People who are physically active lower their risk of stroke, heart disease, type 2 diabetes, depression, and even some cancers. Bottom line – they live longer.

For optimal health benefits, the federal Centers for Disease Control and Prevention say we should spend at least 150 minutes per week doing a moderately-paced aerobic activity for no less than 10 minutes at a stretch. (Or 75 minutes per week of vigorous-intensity physical activity, but that’s an answer to a different question.)

Those 150 minutes of moderate activity can absolutely be spent in your chosen method – walking – as long as it’s at a brisk pace. Three to four miles per hour is about right for most of us. That’s fast enough so that your heart gets pumping, yet you’re still able to carry on a conversation. Which brings us to the question of distance, and the mystery of the 10,000 steps.

It turns out that this goal dates back to the mid-1960s, when a pedometer sold in Japan was marketed as “manpo-kei”, which translates to “10,000 steps meter.” More than 50 years later, we’re still in thrall to that clever bit of advertising.

But those 10,000 steps – that’s about five miles – had a toehold in science. A study at the time found that men who burned 2,000 calories per week through exercise measurably lowered their risk of heart disease. Since a five-mile walk uses roughly 300 calories, to burn 2,000 calories takes 10,000 steps.

Is 10,000 steps a make-or-break number from the outset? The short answer is no. Any amount of physical activity above and beyond what you’re presently doing is beneficial. The main thing is to ease into your new exercise program in a way that’s both safe and sustainable.

Begin with a comfortable pace and a reasonable distance. Maybe that’s a 10-minute walk around the block or a brisk two miles to work. Challenge yourself to go a bit further each week.  Whether you’re taken with the symmetry of 10,000 steps goal, or prefer the CDC’s recommendation of 150 minutes of exercise per week, what matters most is that you get – and stay – moving.


Eve Glazier, MD., MBA, and Elizabeth Ko, MD., are internists and assistant professors of medicine at UCLA Health.

Ask the Doctors is a syndicated column first published by UExpress syndicate.

Tags: 000 steps a day, 10, Ask the Doctors, Ask the Doctors, Dr. Eve Glazier, Dr.Elizabeth Ko, exercise, fitness, Healthy Living, pedometer, walking, Wellness

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