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Weekend exercise just as good for preventing dementia as daily workouts

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Weekend exercise just as good for preventing dementia as daily workouts
Group of older friends relaxing after exercising

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BOGOTÁ, Colombia — Are you too busy to exercise during the week? Scientists have good news: weekend workouts may be just as effective at protecting your brain health as regular exercise Monday through Friday.

The study, which tracked over 10,000 adults for 16 years, found that “weekend warriors” who exercised just once or twice per week had a 25% lower risk of developing mild dementia compared to those who didn’t exercise at all. This reduction in risk was similar to – and even slightly better than – the 11% lower risk seen in people who exercised three or more times per week.

This discovery could be particularly meaningful for busy working adults who struggle to find time for regular exercise. The research suggests that cramming your weekly physical activity into the weekend could still provide significant protection for your brain as you age.

“To the best of our knowledge, the present study is the first prospective cohort study to show that the weekend warrior physical activity pattern and the regularly active physical activity pattern are associated with similar reductions in the risk of mild dementia,” the study authors, led by Dr. Gary O’Donovan from the University of the Andes, in a media release.

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The study, published in the British Journal of Sports Medicine, is the first of its kind in Latin America to examine how exercise patterns affect dementia risk. While previous research has shown that physical activity can help prevent cognitive decline, most studies have been conducted in wealthy nations in Europe and North America.

The researchers followed 10,033 adults in Mexico City with an average age of 51. At the start of the study, participants were asked about their exercise habits and divided into three groups: those who didn’t exercise, “weekend warriors” who exercised once or twice weekly, and regularly active people who exercised three or more times weekly.

Seniors, older adults enjoying exercise class at gymSeniors, older adults enjoying exercise class at gym
“Weekend warriors” who exercised just once or twice per week had a 25% lower risk of developing mild dementia. (© LIGHTFIELD STUDIOS – stock.adobe.com)

After 16 years, participants took a standard cognitive test called the Mini Mental State Examination (MMSE) to assess their mental function. The results showed that both weekend warriors and regular exercisers performed better on the cognitive tests compared to non-exercisers.

Perhaps most striking was the finding that if all middle-aged adults exercised at least once or twice per week, about 13% of mild dementia cases might be prevented. In Mexico alone, where dementia costs nearly $3.8 billion annually, this could translate to savings of about $378 million per year.

The findings are particularly relevant given that dementia cases are expected to surge from 57 million globally in 2019 to 153 million by 2050. In Latin America, the number of people living with dementia is predicted to triple by 2050.

Paper Summary

Methodology

The researchers recruited participants through door-to-door interviews in two districts of Mexico City. They collected detailed information about exercise habits, education, income, blood pressure, smoking, body mass index, sleep patterns, diet, and alcohol consumption. Sixteen years later, they assessed cognitive function using the Mini Mental State Examination, which tests various aspects of mental ability, including memory, attention, and language skills.

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Key Results

The average cognitive test score was 24.5 for non-exercisers, compared to 25.8 for weekend warriors and 25.6 for regular exercisers. When defining mild dementia as a score of 22 or lower, 26% of non-exercisers met this criterion, compared to only 14% of weekend warriors and 18.5% of regular exercisers. These benefits were similar for both men and women.

Study Limitations

Exercise habits were self-reported rather than measured objectively with devices like fitness trackers. Additionally, the cognitive test used can screen for dementia but isn’t a clinical diagnosis. The study also couldn’t account for physical activity from daily tasks like walking for transportation, which is common in Latin American cities.

Discussion & Takeaways

The study suggests that exercise’s brain-protective effects might work through several mechanisms, including increasing brain-derived neurotrophic factor (a protein that supports brain cell growth) and improving brain plasticity. The findings are particularly relevant for cities like Mexico City, which closes 50 kilometers of roads to vehicles every Sunday for their “Ciclovía Recreativa” program, allowing around 80,000 people to walk, run, or cycle safely.

Funding & Disclosures

The study was approved by the Mexican Ministry of Health, the Mexican National Council of Science and Technology, and the Central Oxford Research Ethics Committee. The data came from the Mexico City Prospective Study, which makes its data available for open-access requests through Oxford University’s Clinical Trial Service Unit.

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Circadian Fitness: New Research Heightens Debate Over the Optimal Time for Exercise

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Circadian Fitness: New Research Heightens Debate Over the Optimal Time for Exercise
A Recent Study Suggests Evening Workouts May Offer Significantly Greater Longevity Benefits for Individuals with Obesity, Intensifying the Ongoing Scientific Discussion Over Whether Health Goals and Body Metabolism Dictate the Best Hour to Exercise. The question of the most beneficial time of day to exercise—a straightforward query—continues to yield frustratingly contradictory and complex answers in […]
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Prepare for Ski Season With These Workouts

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Prepare for Ski Season With These Workouts

Skiing can be a whole lot of fun when the snow starts flying. But your body can take a beating on the slopes if it’s not properly prepared.

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Sports medicine specialist Molly McDermott, DO, shares how to get ready for ski season with some workouts and strategies.

Ski training routine

Some elite skiers start training at the tail end of spring — about six months before they ever hit the slopes. Others may need less time. In general, Dr. McDermott recommends training at least six to eight weeks before your first outdoor adventure.

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As part of your routine, you’ll want to focus on ski workouts that build:

  • Strength
  • Endurance
  • Flexibility
  • Neuromuscular control (also known as muscular coordination)

Trying to jump into a sport when you haven’t intentionally trained is difficult and challenging, says Dr. McDermott. That’s especially true given the physical demands that come with skiing.

“You want to train your brain, nerves and muscles to really build stability and balance so you can have more control over how you jump and land,” she notes.

Ski exercises

Ski-focused training puts a strong emphasis on lower-body exercises, targeting everything from your glutes to your ankles. But you’ll want to take a full-body approach to ski exercises, which means working on your core and upper body as well.

“You’re going to have to make real-time decisions when you’re out on the slopes,” stresses Dr. McDermott. “You’ll need to strengthen your whole body to be able to do things like pivot or change direction, keep your balance, propel yourself forward and withstand the impact of skiing.”

Dr. McDermott recommends starting with just bodyweight exercises if this is your first go at it. More experienced athletes can focus on higher weights or machines. In general, she recommends doing three sets of 10 to 15 reps each. Then, as you work through your training, you can progressively load your weight, sets, reps or how long you exercise to continue building strength and endurance.

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Here are some workouts that lend themselves to skiing.

Dynamic warm-up

Warming up before any workout is key, especially right before you hit the slopes. The International Ski and Snowboard Federation agrees. Dynamic warm-ups and cool-downs are highly effective for preventing injury and improving performance.

Consider starting and ending your ski workout with five to 10 minutes of:

  • Jogging
  • Using an elliptical
  • Walking on a treadmill

“You’re warming up your muscles and then stretching them, as opposed to static, cold stretching,” explains Dr. McDermott.

Squats

“Squat maneuvers help make sure you have the coordination of your nerves and your muscles working together so your muscles are strong and keep your body aligned — in particular, keeping your knees from turning in,” says Dr. McDermott. “As squats become easier, you can progress to squat jumps.”

  1. Stand with your feet shoulder-width apart with your toes pointed slightly outward.
  2. Hinge at your hips, bend your knees and slowly lower your body (as if sinking into a chair).
  3. Lower until your thighs are parallel to the ground, keeping your knees in line with your toes and your weight on your heels.
  4. Hold the position for three to five seconds.
  5. Shoot up quickly to your starting position by pushing through your heels.
  6. Repeat this process for 10 to 15 reps.

Side-lying hip abductors

Hip abductor exercises help with skiing because they focus on balance, control and building strength in your hips, glutes and thighs.

  1. Lie down on your side with your legs extended straight. Your right leg should be on top of the other and you should rest your head on your left arm.
  2. Keeping your hips steady, lift your right leg so your knees are no longer touching. You should feel a stretch in your upper thigh and hip.
  3. Slowly lower your right leg.
  4. Repeat for 10 to 15 reps, then switch sides and continue.

Calf raises

Calf raises help improve ankle mobility and calf strength — all needed for those quick turns while skiing.

  1. Stand with your feet hip-width apart, with your arms hanging at your sides.
  2. Slowly lift the back of your heels until you’re standing on the balls of your feet.
  3. Hold this position for one to two seconds before lowering back down.
  4. Repeat for 10 to 15 reps.

Skater hops

“Skater hops are single-leg hops from side-to-side,” describes Dr. McDermott. “These are really going to help you in certain ski maneuvers.”

  1. Stand with your feet hip-width apart and your hips and knees bent at a 45-degree angle.
  2. Push off the floor with your left leg so that you jump to the side, landing on your right leg.
  3. Keep your knees bent and your left leg crossed behind your right (as if you’re skating).
  4. Then, jump back to the opposite side, crossing your right leg behind your left.
  5. Repeat this process in quick succession for 10 to 15 reps, jumping as fast and far as you’re able.
  6. To maintain momentum, it helps to swing your left arm forward as you’re pushing off with your left leg and vice versa.

Shoulder shrugs

“Shoulder shrugs are a good ski exercise because they help build the upper trapezius muscles that connect with your neck,” says Dr. McDermott. “They really work on your posture.”

  1. Start by standing tall, feet hip-width apart.
  2. While looking straight ahead, lift both of your shoulders and slowly roll them backward in a circle for 10 seconds.
  3. Repeat the process by circling your shoulders in the opposite direction for 10 seconds.

Chin tucks

Chin tucks involve a gentle range of motion to improve posture and strengthen neck muscles.

  1. While sitting or standing in a relaxed position, look straight ahead and lightly touch the bottom of your chin with your index finger.
  2. Gently pull your head and neck back so your chin moves away from your finger.
  3. Hold this tucked-chin position for up to 10 seconds before slowly extending your head and neck forward to the starting chin position.
  4. Repeat this process for 10 to 15 reps.

Push-ups

“Push-ups are good for strengthening your shoulders, chest and core, which helps with balance and stability when you’re skiing,” says Dr. McDermott.

  1. Kneel on all fours with your palms flat on the floor in front of you and your fingers facing forward. Hands should be shoulder-width apart and directly below your shoulders.
  2. Lift your knees off the floor and straighten your legs.
  3. Bend your elbows and tuck them to your sides as you slowly lower your chest and chin to the floor.
  4. Push through your palms until your arms are fully extended. Don’t let your hips or back dip to the ground — your head, spine and butt should all be aligned.
  5. Repeat this process for 10 to 15 reps.

Planks

This exercise targets your wrists, forearms, core and upper body — all areas that promote stability and strength while skiing.

  1. Get into a push-up position, with your legs extended and your elbows directly beneath your shoulders.
  2. Hold this upright push-up position for 10 to 15 seconds, with your abs engaged and butt and back aligned.
  3. For a modified challenge, you can lower your knees to the floor while holding this position.
  4. For a deeper stretch, you can rock your hips back and forth, or lower down to your elbows for a low plank.

Bridges

Bridges help strengthen your glutes, which help guide and direct your skis.

  1. Lie on your back with your knees bent, feet on the floor and arms at your sides.
  2. Squeezing your butt and abdominal muscles, push through your heels to slowly lift your hips toward the ceiling.
  3. Keep your back straight and your arms pressed into the floor at your sides.
  4. Hold this position for a few seconds, before slowly lowering your hips to the floor.
  5. Repeat this process for 10 to 15 reps.

Oblique twists

Also known as a Russian twist, this exercise focuses on your abdominal muscles and core strength. It helps with skiing because it supports your ability to rotate, turn and move quickly.

  1. Sit on the floor with your knees bent and your feet flat.
  2. Lean back at a 45-degree angle and squeeze your abdominal muscles.
  3. Extend your arms out straight in front of you and clasp your hands together.
  4. Engage your core as you twist slowly to the right as far as you feel comfortable, moving your arms in the direction you’re turning.
  5. Return back to center, pause and then twist to the left side.
  6. Repeat this process for 10 to 15 reps.

Cardio exercises

Skiers can also benefit from cardio exercises that get their blood flowing and build aerobic endurance, like:

  • Cycling
  • Running
  • Swimming
  • Rowing

“Build cardiovascular and low-impact activities into your training routine to help improve your performance and increase your endurance,” advises Dr. McDermott. “Some days you can break it up into sets or you can do 30 minutes straight.”

A note before hitting the slopes

A big part of ski training is getting your body acclimated to cold-weather exercises. For athletes who live in areas where winter runs strong, it helps to train early and get that outdoor exposure as temperatures begin to drop during the fall.

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Others who live in warmer climates might benefit from taking cold showers, ice baths or lowering indoor temperatures weeks before heading out on a ski trip.

Once ski season begins, make sure you warm up before heading outdoors, stay hydrated and keep moving to keep your body warm.

“When you’re skiing, a lot of unexpected things happen,” cautions Dr. McDermott. “The weather changes and things happen really fast. So, you want to be physically and mentally prepared before you hit the slopes, making sure you’ve got the right equipment, the right clothing and you’re prepared in case of injury.”

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Forget the gym — you just need 20 minutes and 2 dumbbells to strengthen your whole body with this workout

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Forget the gym — you just need 20 minutes and 2 dumbbells to strengthen your whole body with this workout

One of the harder parts of committing to a training routine is knowing where to start, and that’s true of those who have never trained regularly before as well as more experienced people coming back after a break.

This 20-minute workout from fitness trainer Lindsey Bomgren, founder of Nourish Move Love on YouTube, is perfect for easing your way into a training routine, especially if you’re coming back from a break because of illness or any other reason.

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