Fitness
This exercise works every ab muscle at once – here’s how to do it the right way
Core exercises can make everything easier. Whether or not you realise it, a strong core is essential for pretty much all your daily habits. ‘You need your core to be solid to do literally everything in life: get out of bed, pick up your baby, push open a door,’ says Bree Branker Koegel, NASM-certified trainer.
Sure you can rep out basic abs moves (think crunches and sit-ups), but if you want results consider the flutter kick. This is an advanced, and fun, move targeting your rectus abdominus (six pack abs), transverse abs (deep abs muscles), obliques (side abs), lower back, hip flexors, and quads.
Meet the experts: Bree Branker Koegel is a NASM-certified trainer. Melissa Kendter, ACE-CPT, is an EvolveYou trainer.
The best part of flutter kicks is you don’t need any equipment to work all those muscles. All you have to do is lie on the floor, lift your legs to a forty-five-degree angle, and then “flutter” them up and down, keeping your lower back pressing into the floor.
It only sounds easy. ‘The motion might be small, but it’s building serious core strength and stability,’ says Melissa Kendter, ACE-CPT, an EvolveYou trainer. That makes them awesome cross-training exercises for runners and swimmers.
A quick word of warning: If you’re just starting to venture into the world of abs exercises, it might be better to begin with some easier moves before jumping into flutter kicks, since they’re a little more, uh, difficult.
Find out all you need to know about flutter kicks, including form tips, the benefits, and modifications and variations for all levels, according to trainers.
How to do flutter kicks
How to:
- Lie on your back on a mat. Pull your belly button to your spine to engage your core.
- Raise your head, neck, and shoulders off the ground, with your hands behind your head. Keep your chin tucked.
- Lift your legs up off the floor, maintaining contact between your lower back and the mat.
- Swiftly move your feet up and down like you’re swimming in air.
Sets/reps for results: Set a timer for 30 seconds and see how long you can maintain good form while performing the exercise. That is now your benchmark time for three to four rounds. It should change all the time depending on how the rest of your day/life is going!
Pro tip: Make sure your low back is pressing into the floor beneath you the whole time. “I like to imagine I’m a spoon, or the bottom of a rocking chair, with contact to the floor at all times,” says Branker.
Benefits of flutter kicks
You’ll feel the burn of flutter kicks almost instantly. Trust: It’s so worth it, if you ask trainers. The biggest perk of flutter kicks is they target multiple parts of your core, Branker says. ‘The stronger the core, the more functional you move as a human,’ she adds.
- Target multiple muscles. The move ‘activates the hip flexors, the lower back, and the quads a bit more than other exercises,’ says Kendter.
- Up cardio health with low-impact. ‘Usually, you do it timed or thrown in at the end of the workout, so it really can elevate your heart rate,’ she explains. You don’t have to jump around to do it.
- Improve muscular endurance. ‘It works muscular endurance in that ab core area because of the time under tension,’ she adds. (FYI: Time under tension means you’re holding a specific muscle under tension for an extended time.)
Want to really target your core? Try this full workout:
Make flutter kicks part of your workout
There are many ways to incorporate flutter kicks in your typical sweats to work your abs efficiently. ‘Flutter kicks are a great finisher, as well as a great primer to get the core engaged for the rest of your workout,’ says Branker. ‘You can’t really go wrong here!’
You can also include flutter kicks as a part of any dedicated abs workout. Aim for three or four sets of 15 to 60 seconds, depending on your baseline time. Just keep in mind this isn’t the easiest move, so it’s important to pay close attention to your form.
Warm up with a pelvic tilt before starting your flutter kicks, so that ‘you’re engaging before you even begin the motion,’ says Kendter. If you feel your back lifting off the ground, take a break and make that your stopping point.
As you get stronger, you’ll be able to sustain longer and longer sets of flutter kicks. But whether you do them for 15 seconds or a full minute, expect to feel the burn.
Flutter kick modifications and variations
Whether you want to increase or decrease the challenge, there’s an awesome variation for you. For example, grabbing a weight adds more resistance to the already tough exercise or bending knees reduces strain. Try one of these flutter kick variations when you want to switch things up:
1.Flutter kicks with bent knees
‘If you have sensitive hips or weaker core muscles, take the modification of bending your knees,’ says Kendter.
How to:
- Lie on your back on a mat with legs bent and feet on the ground.
- Lift your head, neck, and shoulders off the ground, putting your hands behind your head.
- Lift your legs up off the floor, and press your lower back into the mat.
- Swiftly move your feet up and and down like you’re swimming in air, maintaining the bend in the knees.
2. Alternating leg lowers
How to:
- Lie on your back on a mat.
- Lift your head, neck, and shoulders off the ground, and place your hands behind your head.
- Bring your legs straight up into the air over hips.
- Alternate slowly lowering one leg down to almost touch the floor a time.
3. Flutter kicks with ankle weights
How to:
- Lie on your back on a mat with ankle weights on both legs.
- Lift your shoulders off the ground, putting your hands behind your head.
- Lift your legs up off the floor, and press your lower back into the mat.
- Swiftly move your feet up and and down like you’re swimming in air.
4. Flutter kicks with weight overhead
How to:
- Lie on your back on a mat, and hold a single dumbbell (or medicine ball) with both of your hands.
- Lift your head, neck, and shoulders off the ground, and hold the dumbbell above your head with arms straight.
- Lift your legs up off the floor, pressing your lower back into the mat.
- Swiftly move your feet up and and down like you’re swimming in air.
5. Dynamic flutter kicks
How to:
- Lie on your back on a mat.
- Lift your head, neck, and shoulders off the ground, putting your hands behind your head.
- Lift your legs up off the floor and press your lower back into the mat.
- Swiftly move your feet up and down like you’re swimming in air. While fluttering, lift your legs up higher and then back down.
Kristine Thomason is a writer and editor with nearly a decade of experience creating content for print and digital publications. Previously, she was the health and fitness director at mindbodygreen, and the fitness and wellness editor at Women’s Health. Kristine’s work has appeared in Men’s Health, Travel + Leisure, Health, and Refinery29, among others. She holds a journalism degree from New York University, and is certified in personal training by the National Academy of Sports Medicine (NASM).
Addison Aloian is the associate health & fitness editor at Women’s Health, where she writes and edits across the health, weight loss, and fitness verticals. She’s also a certified personal trainer through the National Academy of Sports Medicine (NASM). In her free time, you can find her lifting weights at the gym, running on the West Side Highway in New York City—she recently completed her first half-marathon—and watching (and critiquing!) the latest movies that have garnered Oscars buzz. In addition to Women’s Health, her work has also appeared in Allure, StyleCaster, L’Officiel USA, V Magazine, VMAN, and more.
Fitness
New Year’s Fitness Resolutions Start with Healthy Sleep | Newswise
Newswise — As the New Year approaches, many Americans are setting fresh intentions to eat better and move more — and new data show those habits may deliver an unexpected bonus: better sleep. According to a new survey from the American Academy of Sleep Medicine, 59% of adults say eating a well-balanced diet helps them sleep slightly or significantly better. Staying active throughout the day may also help improve sleep. According to the survey, adults say exercising in the morning (42%) or evening (46%) helps them sleep slightly or significantly better.
“Sleep is one of three pillars of a healthy lifestyle, including eating a well-balanced diet and incorporating regular physical activity,” said AASM spokesperson Dr. Kin Yuen. “When people make New Year’s resolutions or select their ‘nudge word’ for the year, they often prioritize diet and exercise. These changes don’t just support physical health—they also improve sleep.”
The findings suggest that New Year’s resolutions don’t need to be isolated goals. Improving one aspect of health, whether diet, exercise, or sleep, can create positive ripple effects across all three areas of wellness. This is especially true for younger adults, with those 25-34 being the most likely age group to say a well-balanced diet (64%) or exercise in the evening (60%) helps them sleep better.
“Sufficient sleep significantly reduces the risk of chronic illnesses, such as obesity, heart disease, and even depression and anxiety,” said Yuen. “Whether you’re improving your diet, increasing your activity level, or managing stress, prioritizing sleep gives you the energy and mental clarity needed to start the year strong.”
Here are some tips from the AASM on how to develop healthy sleep habits and reap all the benefits of your New Year’s resolutions:
- Create a consistent bedtime routine — Make sure you are giving yourself enough time to get the recommended seven or more hours of sleep per night.
- Make time in your daily routine for physical activity — Pick physical activities that you enjoy and that match your abilities.
- Eat a well-balanced diet — Try to meet the recommended daily servings of fruits and vegetables, grains, and protein.
- Disconnect from devices at night — Turn off all electronics at least 30 minutes to an hour before your bedtime to help prepare for sleep.
For more information, or to find a local AASM-accredited sleep center, please visit sleepeducation.org. View 2025 AASM Sleep Prioritization Survey results in the AASM newsroom.
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About the Survey
The American Academy of Sleep Medicine commissioned an online survey of 2,007 adults in the U.S. The overall margin of error fell within +/- 2 percentage points with a confidence interval of 95 percent. Fieldwork took place between June 5-13, 2025, by Atomik Research, an independent market research agency.
About the American Academy of Sleep Medicine
Established in 1975, the AASM is a medical association that advances sleep care and enhances sleep health to improve lives. The AASM membership includes more than 9,500 physicians, scientists, and other health care professionals who help people who have sleep disorders. The AASM also accredits 2,300 sleep centers that are providing the highest quality of sleep care across the country (aasm.org).
Fitness
Circadian Fitness: New Research Heightens Debate Over the Optimal Time for Exercise
Fitness
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.
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.
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.
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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