Dr Richard Alcock’s lungs feel like they’re exploding, but he has to keep pedalling.
A mask is strapped tight to his face to capture every breath he manages to squeeze out over 15 minutes of increasingly intense cycling.
A physiologist is pushing Dr Alcock to his limit: “Treat it like a finish line!”
He manages to respond with only a grunt, and a nod.
Cardiologist Richard Alcock testing his VO2 max while cycling.( ABC News: Cason Ho
)
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He’s testing the maximum amount of oxygen his body can use — his VO2 max — the gold standard indicator of cardiovascular fitness.
All this effort achieved a reading of 62.5 mL/kg/min — it puts Dr Alcock, who works as a cardiologist, close to the Olympic level for his age and gender.
His smart watch shows a reading of 56 mL/kg/min, about 10 per cent off.
Do smart watches give accurate readings?
The difference between the two readings in Dr Alcock’s test is the smart watch hasn’t actually measured his oxygen output.
It estimated the number, based on heart rate and speed.
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Smart watches are sold as an easy and accessible way to track your health and fitness, but even the best smart watch falls short of the accuracy required in most medical and scientific settings.
Even the best smart watch falls short of the accuracy required in medical settings.( ABC News: Cason Ho
)
A Spanish study published in 2023 found heart rate readings varied significantly depending on exercise intensity, and whether a subject was moving their arms — for example, cycling versus running.
Another study found wearables overestimate sleep because they depend on body movement – but noted accuracy was improving compared to older models.
Smart watches generally struggle to accurately track metrics like blood pressure and the quality of your sleep.
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Step count is relatively accurate among most wearables, and can quite reliably measure how far you’ve run under optimal conditions.
However, errors can compound when devices rely on one reading to calculate another, like using your step count to calculate how many calories you’ve burned.
Are smart watches good for your health?
More than 36 per cent of Australians own a smart wrist wearable, according to a 2023 Telsyte market study.
While they have niche medical uses — like detecting an abnormal heart beat, or atrial fibrillation —they’re primarily marketed as general health and fitness trackers.
Dr Alcock believes smart watches help motivate people to be more active.
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“Every day use for the general public, they’re great … I think it’s getting people exercising simply by having the watch.”
Many elite level athletes have also adopted them into their arsenal of tools to help maximise performance, according to Edith Cowan University Professor of Human Performance Sophia Nimphius.
“Elite athletes have a very specific training environment, how much training they’re doing, everything is prescribed,” she said.
Edith Cowan University Professor of Human Performance Sophia Nimphius.( ABC News: Cason Ho
)
That strict environment is why Professor Nimphius believes smart watches and fitness trackers are more beneficial to athletes, rather than the average user.
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“The general consumers’ daily training environment is quite dynamic and ever changing,” she said.
“When we’re thinking about the accuracy of something, a lot of people might think, oh five to 10 per cent [off], that’s pretty good.
“We start taking literal, small changes that might be in that margin of error as if it’s a truth — that’s where we run into some issues.
“Some of the measure and metrics of wearables can be as accurate, or inaccurate, as 50 per cent off.”
Professor Nimphius believes athletes get more benefits from fifitness trackers than the average user does.( ABC News: Cason Ho
)
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Professor Nimphius suggests relying on trends in your data over time, rather than obsessing over your daily figures.
However, even then, she warns fitness trackers don’t work for everyone as a health and fitness tool.
“Their watch says maybe they’re having a bad day, or they didn’t sleep well, independent on whether they actually feel that’s true,” she said.
“There’s a psychological component to fully trusting and investing in a number on your watch.”
Where does all your data go?
Professor Nimphius uses a smart watch herself, but urged consumers to be aware of how companies are using their data.
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“It’s got our heart rate, it’s got sometimes respiratory rate, it’s got when we are sleeping and how much,” she said.
“All of that information when tied together can really say some intimate things about you.”
She said fitness data tracked by wearables, and other technology, doesn’t have the same regulation as other medical or health records, which leaves it open to misuse.
“We have to start considering whether the combination of all these bits of information of our physiology is indeed health information,” she said.
“If we thought that this was medical data, would we accept that?”
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.”
Stand with your feet shoulder-width apart with your toes pointed slightly outward.
Hinge at your hips, bend your knees and slowly lower your body (as if sinking into a chair).
Lower until your thighs are parallel to the ground, keeping your knees in line with your toes and your weight on your heels.
Hold the position for three to five seconds.
Shoot up quickly to your starting position by pushing through your heels.
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.
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.
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.
Slowly lower your right leg.
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.
Stand with your feet hip-width apart, with your arms hanging at your sides.
Slowly lift the back of your heels until you’re standing on the balls of your feet.
Hold this position for one to two seconds before lowering back down.
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.”
Stand with your feet hip-width apart and your hips and knees bent at a 45-degree angle.
Push off the floor with your left leg so that you jump to the side, landing on your right leg.
Keep your knees bent and your left leg crossed behind your right (as if you’re skating).
Then, jump back to the opposite side, crossing your right leg behind your left.
Repeat this process in quick succession for 10 to 15 reps, jumping as fast and far as you’re able.
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.”
Start by standing tall, feet hip-width apart.
While looking straight ahead, lift both of your shoulders and slowly roll them backward in a circle for 10 seconds.
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.
While sitting or standing in a relaxed position, look straight ahead and lightly touch the bottom of your chin with your index finger.
Gently pull your head and neck back so your chin moves away from your finger.
Hold this tucked-chin position for up to 10 seconds before slowly extending your head and neck forward to the starting chin position.
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.
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.
Lift your knees off the floor and straighten your legs.
Bend your elbows and tuck them to your sides as you slowly lower your chest and chin to the floor.
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.
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.
Get into a push-up position, with your legs extended and your elbows directly beneath your shoulders.
Hold this upright push-up position for 10 to 15 seconds, with your abs engaged and butt and back aligned.
For a modified challenge, you can lower your knees to the floor while holding this position.
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.
Lie on your back with your knees bent, feet on the floor and arms at your sides.
Squeezing your butt and abdominal muscles, push through your heels to slowly lift your hips toward the ceiling.
Keep your back straight and your arms pressed into the floor at your sides.
Hold this position for a few seconds, before slowly lowering your hips to the floor.
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.
Sit on the floor with your knees bent and your feet flat.
Lean back at a 45-degree angle and squeeze your abdominal muscles.
Extend your arms out straight in front of you and clasp your hands together.
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.
Return back to center, pause and then twist to the left side.
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.”
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.
The workout trains the whole body through two rounds of exercises that you can complete in 20 minutes, even with a quick warm-up and cool-down included.
You do need a set of dumbbells for the workout, with Bomgren suggesting 15-25lb weights as a rough guideline. If you have a set of the best adjustable dumbbells available, you can change the weight to suit each exercise as and when required.
20 Minute FULL BODY Comeback Workout (Easy Re-Entry After Sickness/Break) – YouTube
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The workout contains nine exercises, with some of those being done on both sides for 12 moves in total in each round. You do two rounds of the exercises, completing 10 reps of each move, or 10 on each side if appropriate.
Bomgren demonstrates each move and sets the pace for the session, so you can follow her when possible, or slow down if you need to. Bomgren’s fellow trainer, Rachel, is also on hand to offer easier modifications of some exercises you can do instead.
In order to work as many muscles as possible in 20 minutes, the workout is mostly made up of compound exercises that recruit several joints and muscle groups at once, like squats and lunges.
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There are also some more focused moves like triceps extensions, and your core is also worked with some bicycle crunches and glute bridges.
It’s a fast-paced session that will not only get you fitter and stronger, but also help you prepare for longer, harder workouts if you are kicking off a regular workout routine.
Bomgren also includes a quick warm-up and cool-down in the video, which is invaluable and well worth doing. The warm-up will get you ready for the workout, so you can get the most out of the first few exercises, while the cool-down will help start your recovery and reduce any muscle soreness you might feel after the workout, especially if it’s your first session in a while.
If you are a beginner or finding it hard to match Bomgren’s pace throughout the session, you can also reduce the number of reps you do for each move to six or eight. This will give you a bit more time to complete your set, rather than rushing to do 10 reps and potentially sacrificing good form.
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The beauty of a standing abs workout is that you do not need a mat, much space, or to get down on the ground for any of the exercises. That makes it easy to fit into a busy day, whether you are working out at home, short on space, or prefer to stay off the floor altogether.
None of that means it is easier or delivers fewer results. Pilates instructor and Balance Body Educator Portia Page built this five-move, all-standing core workout to show that you can still challenge your abs effectively without a mat or traditional floor exercises.
Her routine focuses on strength, rotation, balance and power, training the core in an upright position that mirrors how it works in everyday movement and exercise. To get the most out of the workout, having a handle on how to switch your core on can make a real difference.
What is the workout?
1. Standing “Hollow” Scoop + Reach + Deep Squat
Stand tall, feet hip-width, knees soft.
Exhale and scoop your abs up and in (think: ribs to hips, belly hollow).
Keeping the scoop, reach your arms overhead, maintaining the scoop.
Keeping the arms up, bend your knees and sit back & down into a deep, low squat
Straighten legs, lower arms and lift heels into a balance
Repeat, moving slowly down and up
2. High Knee Twist with Extension
Lift your right knee to hip height slowly.
Rotate your ribs toward (not down to) the lifted knee.
Lower leg and extend behind while rotating & extending in the opposite direction.
Repeat 5-10x on one side, repeat the same amount on the other.
Make it harder: Lift the knee higher than hip height and/or hold arms overhead.
3. Lateral Side Crunch
Stand tall, hands behind your head.
Shift weight to one leg.
Lift the opposite leg out to the side.
Pull your ribs toward your lifted hip like a side crunch.
Lower leg and crunch to the other side.
Repeat 5-10 times on each side.
Make it harder: Keep the leg lifted the whole interval. Your obliques will file a complaint!
4. Woodchop Squat & Twist
Bring your hands together over your right shoulder.
Bend the knees slightly, then powerfully chop down toward the left hip.
Pause at the bottom, stop the momentum, then return slowly to start.
Repeat 5-10 times on each side.
5. Single-Leg Hover Hold with Rotation
Stand tall with arms stretched to the side, shift weight to the left foot.
Lift right knee to hip height.
Extend the right leg straight forward, creating an upside-down L-shape while rotating the upper body to the right, and bend the right knee.
Straighten the standing leg and twist back to center.
Repeat 5-10 times. Switch legs.
What’s so good about standing abs workouts?
Standing ab exercises challenge the core in a more upright, everyday way than floor-based exercises do. Instead of working from a fixed position on a mat, you are asking your body to remain stable while standing, moving and balancing, which naturally brings more of the core into play.
Pilates instructor Page explains that this routine works the core through rotation, anti-rotation and lateral stability, the types of strength you use when walking, lifting, or changing direction. Because you are on your feet, balance becomes part of the challenge too, and even small wobbles force the deeper muscles to switch on.
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She also includes elements of controlled power and standing hollow work, which asks the core to absorb and redirect force rather than just hold tension. The result is a stronger, more responsive midsection, without the need for any planks or crunches.
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