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Pedometers can effectively measure health and fitness

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Pedometers can effectively measure health and fitness

A basic pedometer can prove suffice for measuring health-promoting physical activity, according to a study comparing pedometers with more complex devices. Simply counting steps captured a remarkable amount of information about the participants’ aerobic fitness and cardiovascular health.

The general recommendation for physical activity is to be active at least at a moderate intensity for at least two-and-a-half hours a week. The greatest health gains are made by progressing from a completely sedentary lifestyle to some level of activity.

However, monitoring activity levels and health outcomes is challenging, for individuals and healthcare professionals alike. This study investigated how well pedometers match the more advanced and established measurements provided by accelerometers.

While a pedometer only counts steps, an accelerometer provides information on the total volume of physical activity, including the number of steps, as well as detailed information about the activity, such as movement patterns, time of day, intensity level, and more.

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Step data as a basis

The study encompassed 4,127 people, aged 50-64 years, whose aerobic fitness was estimated with the aid of a cycle ergometer. Their health was measured using a combination of waist circumference, blood pressure, blood lipids, and insulin sensitivity.

The participants were provided with accelerometers for a week so that researchers could collect step data together with more advanced data. When the step data were compared with the complete accelerometer data, the step count was found to have captured a full 88 percent of the health information provided by the accelerometer measurements.

According to the researchers, the results demonstrate the reliability of step counting as a method for measuring health outcomes when linked to individual aerobic fitness and cardiovascular disease risk factors, thereby by validating the use of step counting as opposed to accelerometer measurements.

One of the lead researchers behind the study is Jonatan Fridolfsson, physiotherapist and researcher at the Centre for Lifestyle Intervention at the University of Gothenburg and Sahlgrenska University Hospital.

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The study supports the use of step counting, which is available to most people via their cellphone or activity tracker, as a practical and viable metric for assessing physical activity in relation to health. This can make it easier for both individuals and healthcare professionals to understand, measure, and improve activity levels in everyday life.”

Jonatan Fridolfsson, physiotherapist and researcher, Centre for Lifestyle Intervention, University of Gothenburg and Sahlgrenska University Hospital

Fast pace is beneficial

The study also shows that cardiovascular health optimization requires brisk walking at a minimum. Walking at a normal pace did not produce the same health benefits in the study group, which was comprised of middle-aged individuals with no underlying heart disease.

“This suggests that we need greater emphasis on physical activity of sufficient intensity in public health recommendations,” says Jonatan Fridolfsson.

Another finding concerned cadence when walking, with 100 steps per minute often considered the lower threshold for sufficient intensity. However, among the participants in this study, a minimum cadence of 80 steps per minute was most strongly associated with good aerobic fitness and cardiovascular health.

“The point is that it’s important to adapt the idea of sufficient intensity to the individual. For this particular group, and their daily physical activity, a threshold of 80 steps per minute was more strongly associated with aerobic fitness and cardiovascular health markers.”

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The study was conducted at the Centre for Lifestyle Intervention at the University of Gothenburg and Sahlgrenska University Hospital in collaboration with the Center for Health and Performance (CHP) at the University of Gothenburg.

The results are published in the Journal of Internal Medicine and are based on data from the SCAPIS population study, the largest in Sweden in the field of heart, vascular, and lung disease, encompassing 30,000 randomly selected Swedes aged 50-64 years who underwent comprehensive health exams.

Source:

Journal reference:

Fridolfsson, J., et al. (2025). Simple step counting captures comparable health information to complex accelerometer measurements. Journal of Internal Medicine. doi.org/10.1111/joim.20081.

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Fitness

New Year’s Fitness Goals: Avoid These Common Mistakes

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New Year’s Fitness Goals: Avoid These Common Mistakes

A new year usually brings new fitness goals, fueling spikes in gym memberships and social media feeds filled with workout selfies. Yet, just as quickly as this wave of motivation appears, it usually recedes.

Why does this cycle repeat itself year after year? Well-meaning individuals often start with intense, all-or-nothing approaches that are difficult to sustain, fitness experts say. Life gets in the way, motivation wanes, and the pressure to see immediate results leads to burnout.

A commitment to fitness is a common challenge, and finding a solution is crucial for long-term success, according to Steven Hale, M.D., a primary care sports medicine physician with Baptist Health Orthopedic Care. To get expert advice on this topic, award-winning journalist Johanna Gomez hosted a new Baptist Healthtalk podcast featuring Dr. Hale.

He emphasizes that the most effective plan is one that fits into one’s life seamlessly.

“If it’s in your schedule every day, then you’re going to have to do something active,” Dr. Hale explains. “Whether that’s mobility, maybe you only have 20 or 15 minutes to stretch. Maybe you have an hour this one day because you got off work early. Now you can do some more strength training and maybe some increased cardio.”

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This approach shifts the focus from overwhelming daily workouts to simply incorporating movement into your daily schedule. Building on this foundation of practical advice, Dr. Hale answered some of the most common questions about starting a new fitness routine.

I haven’t worked out in a long time. What’s a good way to start without getting overwhelmed or injured?

Dr. Hale: It really depends on your previous activity level and experience with exercise. Someone who was a college athlete or has a lot of experience can probably go back to the gym, start with lighter weights, and build from there. For someone who is less experienced or doesn’t enjoy the gym environment, I often recommend starting at home. You can look up fun follow-along exercise videos on platforms like YouTube.

Classes can also be a great option for those new to exercise, as they provide guidance from instructors. Personal trainers are another fantastic resource if they fit your budget. The key is to start slow to minimize your risk of injury. Don’t go too hard in the beginning. The first few workouts might not feel great as you get back in shape, so making it fun and enjoyable will help you stick with it longer.

Diet and exercise are both important, but which one should I focus on more if I want to see results?

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Dr. Hale: As a doctor, I have to say they go hand-in-hand; I can’t recommend one without the other. Diet is just as important, if not more important, than exercise when it comes to seeing results quickly. In the short term, diet probably has a slight edge. We often talk about creating a calorie deficit for weight loss, which means the calories you consume should be less than the calories you burn.

It’s much easier to consume calories than it is to burn them. A single high-calorie meal can easily undo the effort of an hour-long workout. However, for long-term health, diet and exercise are equally important. What you put into your body for nutrients is just as vital as staying active. Instead of overhauling your entire diet at once, which is hard to stick to, try making one small, manageable change each week. For example, cut out one specific snack food or fast-food meal. This slow progression helps you build sustainable habits.

How do I know the difference between normal muscle soreness and an actual injury?

Dr. Hale: It’s a great question because many people enjoy the feeling of being sore after a good workout — it’s like a victory. Soreness is typically a dull ache that you feel after exercise, and it usually goes away within a few days. Pain that should concern you is more severe. On a pain scale of one to ten, anything greater than a three is something to pay attention to.

Concerning pain might also be sharp, or you might have felt a ‘popping’ sensation during your workout. Other warning signs include mechanical symptoms like a joint feeling unstable or locking up. These are more serious symptoms that indicate you should probably see an orthopedic specialist. It’s important to listen to your body and not push through sharp or worsening pain.

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The phrase “no pain, no gain” is very popular. Is it true that I need to push through pain to make progress?

Dr. Hale: That is one of the first myths I address in my practice. The “no pain, no gain” philosophy is not a good approach for orthopedic health. If you feel pain, it’s a sign that there is inflammation in that area. Pushing through that pain will only worsen the inflammation and delay your recovery.

Instead of pushing through it, pain is a signal from your body to rest or modify your activities. Give the affected area time to heal and for the inflammation to calm down before you return to that specific exercise. If you continue to push through pain, you risk causing the issue to last longer or become more severe. You can likely push through discomfort that is less than a three out of ten on the pain scale, but anything more than that requires attention.

I want to stay consistent, but I’ve heard working out every day is bad. How often should I be exercising?

Dr. Hale: This depends on how you define ‘workout.’ If you’re doing intense strength training where you are really stressing your muscles, those muscles need time to recover. Overtraining can lead to inflammation, pain, and a higher risk of injury. In that case, you need to build recovery days into your schedule.

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However, you can and should do something active every day. I recommend having something in your schedule daily because it makes it harder to use excuses and push it off. We can think of these as ‘mobility days’ versus ‘strength days.’ A mobility day could be stretching, yoga, or going for a walk. A strength day involves more intense activity like lifting weights or jogging. For example, a good plan could be three or four strength training days per week with active recovery like walking on the other days. This way, you are moving your body every day while still giving your muscles time to recover. Any activity is beneficial.

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Here’s how strong your grip should be in each decade of your life

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Here’s how strong your grip should be in each decade of your life

I recently took a longevity fitness test, an element of which included a grip strength assessment with a hand dynamometer. Research links grip strength to longevity, as it is considered a good indicator of overall physical strength and risk of frailty, as well as neuromuscular function (or the connection between brain and muscle).

How is grip strength linked to longevity?

“Handgrip strength is measured with a handheld dynamometer as the peak force produced by a maximal isometric contraction of the forearm muscles. From research, it is proven to give a quick, reliable snapshot of global muscle strength and is considered a biomarker for physiological reserve, rather than just hand function,” explains Athanasios Tzoumaris, strength and conditioning coach at London-based gym and health clinic Hooke Fitness, where I took my test.

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This is how an expert coach builds the type of strength that makes you “feel like you can handle anything”

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This is how an expert coach builds the type of strength that makes you “feel like you can handle anything”

Many of us use the New Year as a fresh start and embark on a new fitness regime. If that sounds familiar, it pays to heed this tried-and-tested advice from strength coach and yoga teacher Alex Silver-Fagan.

The new star trainer on Chris Hemsworth’s Centr app recently launched a 12-week training program called The Foundation, which she says follows four key phases that will guarantee long-lasting success.

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