Forget sit-ups — these 5 moves sculpt your abs in just 15 minutes (2024)

Forget sit-ups — these 5 moves sculpt your abs in just 15 minutes (1)

Kayla Itsines has shared an exclusive abs workout with Tom’s Guide — and it only takes 15 minutes and 5 ab exercises to complete.

As a fellow personal trainer, there’s nothing I enjoy more than taking a break from programming and trying out other people’s hard work. And with a huge social media following to back her (a casual 16 million on Instagram alone and counting), it seems just about everyone wants to train like Itsines — us included.

In collaboration with Sweat, Itsines says, “This combo of ab exercises will really fire up your core. It’s a quick workout that will take you less than 15 minutes, and you can do it anywhere. You don’t even need a yoga mat.” Sounds good to us.

While I might be attacking this abs workout from my tiny city apartment, you could do this anywhere — from the beach or a hotel room. “These movements will target your abs and core and are designed to improve core strength and stability,” says Itsines.

“There are so many benefits to building your core strength! A stronger core can help you in other workouts and reduce the risk of injury while making it easier to perform other everyday movements, like picking up your kids.” Here it is.

Kayla Itsines’ 15-minute, 5-move abs workout

Complete each exercise once through before taking a 30-second rest. Repeat for 4 laps of the circuit. Below, Itsines explains how to do each ab exercise safely.

Toe taps: 30 seconds

Forget sit-ups — these 5 moves sculpt your abs in just 15 minutes (2)

How to do toe taps:

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  • Raise your legs off the floor so that they form a 90-degree angle at your hips, and place your hands behind your ears
  • Engage your abdominal muscles by drawing your belly button toward your spine
  • Extend your arms to bring your hands up towards your feet — slowly lifting your head, shoulder blades and torso off the mat
  • Return your torso, shoulder blades and head to the mat. Breathe deeply throughout.

Ab bikes: 30 seconds

How to do ab bikes:

  • Place your hands behind your ears and gently raise both your legs and your head and shoulders off the mat
  • Keeping your right leg extended, bend your left knee and draw it towards your chest. At the same time, rotate your torso to the left to bring your right elbow to your knee
  • Untwist your torso and extend your left knee to return to the starting position
  • Repeat the same movement on the other side
  • Continue alternating between left and right, inhaling for four repetitions and exhaling for four repetitions.

Side plank: 30 seconds per side

How to do a side plank:

  • Place your left forearm firmly on the floor, ensuring that your elbow is directly below your shoulder and your forearm is parallel to (in line with) the short edge of your mat
  • Extend both legs and, using your obliques, gently raise your hips off the mat
  • Position your feet one on top of each other or place your left foot on the mat in front of your right
  • Hold this position for half the specified time before switching sides.

Bent-leg jackknife: 30 seconds

Forget sit-ups — these 5 moves sculpt your abs in just 15 minutes (3)

How to do a bent-leg jackknife:

  • Lie on your back with your arms extended above your head
  • Engage your abdominal muscles by drawing your belly button toward your spine
  • Bend your knees and, using your abdominals, draw them towards your chest, keeping your feet stay together
  • At the same time, bring your arms forward toward your feet, slowly lifting your head, shoulder blades and torso off the mat
  • Slowly lower your arms and extend your legs back to the starting position without lowering your feet to the floor.

Mountain climbers: 30 seconds

How to do a mountain climber:

  • Place both hands on the yoga mat shoulder-width apart and both feet together behind you, resting on the balls of your feet
  • Gently draw your ribs to your hips to engage your core
  • Keeping your left foot on the floor, bend your right knee toward your chest
  • Extend your right leg to return to the starting position. Repeat the same movement on the other side and continue alternating
  • Inhale for four mountain climbers and exhale for four mountain climbers.

This interview was set up in collaboration with ICR, who represent iFIT, the company behind award-winning brands like the Sweat app, which is Kayla Itsines’ workout app for women.

More from Tom's Guide

For more celeb exercise content, check out some of our top workout recommendations below.

  • Exclusive: This is Ryan Renold’s arm workout for Deadpool 3
  • I tried Kayla Itsines s’ 9-move arms and abs workout — and the results surprised me.
Forget sit-ups — these 5 moves sculpt your abs in just 15 minutes (4)

Sam Hopes

Senior Fitness Writer and Trainer

SamHopesis a level 3 fitness trainer, level 2 reiki practitioner, and senior fitness writer at Tom's Guide. She is also currently undertaking her Yoga For Athletes training course.

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    Forget sit-ups — these 5 moves sculpt your abs in just 15 minutes (2024)

    FAQs

    Forget sit-ups — these 5 moves sculpt your abs in just 15 minutes? ›

    Who doesn't want toned, defined abs? For better or for worse, ab 'quick fix' workouts or products designed to 'stimulate' your ab muscles while you sleep just don't work. The good news? 15 minutes really is enough time to make a difference—if you know what you're doing.

    Is 15 minutes enough for abs? ›

    Who doesn't want toned, defined abs? For better or for worse, ab 'quick fix' workouts or products designed to 'stimulate' your ab muscles while you sleep just don't work. The good news? 15 minutes really is enough time to make a difference—if you know what you're doing.

    What happens if I do 5 sit-ups everyday? ›

    When you do sit-ups every day, your back and hip muscles become more flexible. A flexible back and hips improve circulation, as well as reduce stress. You also build a strong core and keep your hips, spine, and shoulders aligned by performing sit-ups properly.

    Will 100 sit-ups a day give you abs? ›

    Common Myths About Six-Pack Abs. Every guy wants washboard abs, but 100 situps a day isn't the answer.

    Do sit-ups actually build abs? ›

    Situps are a multi-muscle exercise. While they don't specifically target stomach fat (Note: neither do crunches!), situps actually work the abdominals as well as other muscles groups, including: chest.

    Is abs in 30 days real? ›

    No, you aren't likely to get abs in 30 days. Here's how long it actually takes. While getting a chiseled six-pack is certainly easier said than done, just about everyone is capable of doing so at one point or another throughout their life.

    Can I hit abs 3 times a week? ›

    Generally, 2-3 ab workouts per week provide a good starting point for most individuals. While challenging workouts are necessary for well-built abs, remember not to overlook the importance of recovery and a well-balanced diet.

    What exercise burns the most belly fat? ›

    High-intensity interval training (HIIT): It is probably one of the fastest and most efficient ways to lose stomach fat and reduce the overall body fat percentage.

    Do sit-ups flatten your stomach? ›

    Abdominal exercises such as crunches or sit-ups do not specifically burn belly fat, but they can help the belly appear flatter and more toned. Other exercises that can help whittle the waistline and tone up the belly include bicycles, planks, and side planks.

    How many sit-ups to lose belly fat? ›

    How Many Sit-Ups Should I Do A Day To Lose Belly Fat? There is really just one simple answer to this: none. Resistance training exercises like sit-ups focus on building your core strength and are not an effective way to burn fat. When performing sit-ups, you're working on relatively small muscle groups.

    What exercise is best for abs? ›

    Best Places to Do Ab Workouts
    • Crunch.
    • Bicycles.
    • Roll Up.
    • Plank Toe Touch.
    • Standing Side Crunch.
    • Standing March Knee Tap.
    • Plank.
    Jan 28, 2024

    How to tone your stomach? ›

    Over time, you'll want to aim for 15-20 repetitions for most of these, with 3-5 sets.
    1. Crunch. ...
    2. The plank. ...
    3. Bicycle maneuver. ...
    4. Captain's chair. ...
    5. Back extensions. ...
    6. Crunches on an exercise ball. ...
    7. Vertical leg crunches. ...
    8. Reverse crunches.
    Feb 4, 2013

    How to get abs fast? ›

    9 tips on how to get abs fast
    1. prioritise protein intake. ...
    2. maintain a balanced diet. ...
    3. engage in high-intensity interval training (hiit) ...
    4. incorporate core-strengthening exercises. ...
    5. don't forget cardio. ...
    6. stay hydrated. ...
    7. prioritise rest and recovery. ...
    8. monitor your progress.
    Aug 25, 2023

    Is a plank better than a sit up? ›

    In addition, plank exercises recruit a better balance of muscles on the front, sides, and back of the body than sit-ups, which target just a few muscles.

    What are the disadvantages of sit-ups? ›

    Sit-ups can strengthen your core and increase muscle endurance. But the abdominal exercise poses risks –– such as lower back, hip, or neck injuries –– especially when done incorrectly. Planks, mountain climbers, and other abdominal exercises may be safer and more efficient than sit-ups.

    Is plank good for abs? ›

    Planks can help improve your posture

    By strengthening your back, chest, shoulders, neck, and abs, this exercise makes it easier to keep your shoulders back and your lower back in a neutral position while sitting or standing — two vital components of good posture.

    How many minutes is enough for abs workout? ›

    If you have excess fat and you want a six-pack, your first step is to get your body mass index down to the level where your abdominal muscles can be visible. Start by doing 15 minutes of intense exercise after work. Harness the power of habit.

    Is 15 minutes of exercise enough to lose belly fat? ›

    Your first step in burning off visceral fat is including at least 30 minutes of aerobic exercise or cardio into your daily routine. Studies show that aerobic exercises for belly fat help to reduce belly fat and liver fat. Some great cardio of aerobic exercises for belly fat include: Walking, especially at a quick pace.

    How effective is a 15 minute workout? ›

    But carving out just 15 minutes a day of exercise has proven to be beneficial for your health and life expectancy. It may not seem like a lot of time to you, but fitness experts and scientific studies agree that 15 minutes is long enough to make a difference. Any amount of exercise is better than zero.

    How long should abs take to get? ›

    The American Council on Exercise says a 1 percent body fat loss per month is safe and achievable. Given that math, it could take a woman with average body fat about 20 to 26 months to achieve the appropriate amount of fat loss for six-pack abs. The average man would need about 15 to 21 months.

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