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  • Wrist-worn activity trackers offer inconsistent heart rate data

    Wrist-worn activity trackers offer inconsistent heart rate data

    Research we’re watching Earlier studies have shown that wrist-worn activity trackers can accurately record the number of steps a wearer takes. However, few studies have determined how well they monitor heart rate. Researchers at the University of Wisconsin in Madison studied four wrist-worn activity trackers — Basis Peak, Fitbit Surge, Fitbit Charge, and Mio Fuse […]

  • No place like home for knee replacement rehab

    No place like home for knee replacement rehab

    In the journals A study published online March 14, 2017, by The Journal of the American Medical Association suggests that when it comes to speed of recovery after a total knee replacement, a home-based rehabilitation program is as good as rehab that starts with a stay in the hospital. Researchers randomly assigned people with osteoarthritis […]

  • Exercise and better thinking skills: More evidence for a possible link

    Exercise and better thinking skills: More evidence for a possible link

    News briefs Image: © Horsche/Thinkstock A review of research published online April 24, 2017, by the British Journal of Sports Medicine suggests that physical exercise may help improve thinking skills in adults ages 50 or older, regardless of their mental performance when they started exercising. Researchers combed through 39 randomized controlled trials that looked at […]

  • Are there any benefits to exercising on an empty stomach?

    Are there any benefits to exercising on an empty stomach?

    On call Q. I have heard that exercising on an empty stomach burns more fat and at a faster rate. Is this true? A. When the body is in a fasting state, several backup mechanisms ensure your muscles and brain get the necessary sugar for fuel. During exercise, after your body’s sugar stores are exhausted, […]

  • Exercise and aging: Can you walk away from Father Time

    Exercise and aging: Can you walk away from Father Time

    The clock ticks for all men, and with each tick comes change. For men who manage to avoid major medical problems, the changes are slow and gradual, but they do add up. Here are some things that aging can do to you — if you give up and let Father Time take his toll. Some […]

  • Plank Pass

    Plank Pass

    Harvard Fitness Expert Michele Stanten demonstrates how to use the medicine ball to add a little challenge to the plank position. You should have some strength training under your belt before trying this workout. While you can modify the moves, it is still an advanced routine that combines both strength and power in many of […]

  • Stopping exercise for 10 days can decrease brain blood flow

    In the Journals Image: Halfpoint/iStock You can lose cardiovascular endurance after stopping exercising for a few weeks, but what impact does extended time off have on your brain? A small study published August 2016 in Frontiers in Aging Neuroscience examined cerebral blood flow in physically fit older adults ages 50 to 80 years before and […]

  • Is a new tool for fitness research already in your own pocket?

    Real-world tracking of exercise habits with a smartphone may inform future cardiovascular research. Image: © Halfpoint/Thinkstock Nearly two-thirds of Americans own a smartphone, which comes in handy for instant access to all sorts of information, from driving directions to medical advice. According to a Pew Research Center report, 62% of people have used their phone […]

  • A win for weekend warriors?

    Exercising just one or two days a week may lower the odds of dying of heart disease. Image: © Jupiterimages/Thinkstock If you find it difficult to fit a workout into your daily schedule, here’s some encouraging news: exercising even just once or twice a week appears to help your heart, new research suggests. The findings, […]

  • Just 45 minutes of weekly activity may help with arthritis

    In the journals Studies have shown that regular activity can help older adults with arthritis stay independent. How much is enough? Research published online Dec. 28, 2016, by Arthritis Care & Research suggests you may need as little as 45 minutes per week. Federal guidelines recommend 150 minutes of moderate activity per week to prevent […]

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