{"id":114335,"date":"2026-08-06T11:08:42","date_gmt":"2026-08-06T11:08:42","guid":{"rendered":"https:\/\/graziamagazine.com\/us\/?post_type=articles&p=114335"},"modified":"2026-07-31T09:13:58","modified_gmt":"2026-07-31T09:13:58","slug":"goodbye-crunches-this-5-minute-core-exercise-that-can-flatten-your-stomach-better-in-no-time","status":"publish","type":"articles","link":"https:\/\/graziamagazine.com\/us\/articles\/goodbye-crunches-this-5-minute-core-exercise-that-can-flatten-your-stomach-better-in-no-time\/","title":{"rendered":"Goodbye Crunches: This 5-Minute Core Exercise That Can Flatten Your Stomach Better In No Time"},"content":{"rendered":"
\"A
Galina Zhigalova<\/figcaption><\/figure>\n

From social media to fitness studios, the stomach vacuum promises a flatter-looking midsection with just a few minutes of isometric exercise. But why can it outperform traditional crunches for certain goals?<\/p>\n

Scroll through TikTok or Instagram and you’ve probably seen it: someone standing perfectly still, their stomach dramatically pulled inward with their ribs clearly visible. It looks like a special effect, but it’s actually a breathing and core-strengthening exercise called the stomach vacuum<\/strong>. Rooted in Pilates, yoga, and bodybuilding, it’s become both a viral fitness trend and a popular way to target a flatter-looking waist\u2014without doing hundreds of crunches.<\/p>\n

You’ll often hear people claim that a stomach vacuum is “worth more than 100 crunches.” The reality is less dramatic but far more interesting. For some fitness goals, it really can be more effective than traditional ab exercises. For others, it isn’t. Understanding how it works can help you use it effectively without expecting miracles\u2014or giving up other forms of core training altogether.<\/p>\n

What Is the Stomach Vacuum?<\/h2>\n

The stomach vacuum is an isometric exercise<\/strong>, meaning there’s no movement involved. Instead, you contract the deep abdominal muscles while controlling your breathing. The key cue is to pull your belly button toward your spine<\/strong> after completely exhaling the air from your lungs. From the outside, your stomach appears to draw inward while your rib cage expands.<\/p>\n

The primary muscle being trained is the transverse abdominis<\/strong>, often described as your body’s natural corset. It wraps around your waist like a belt, helping stabilize your spine, support your internal organs, improve posture, and create the appearance of a flatter stomach\u2014even without visible six-pack abs.<\/p>\n

Traditional crunches, by comparison, mainly target the rectus abdominis<\/strong>, the more superficial muscle responsible for the “six-pack” look.<\/p>\n

That’s why, if your goal is a slimmer-looking waist and better core support, strengthening the deep core with stomach vacuums may be more beneficial than doing endless sets of crunches that primarily work the outer abdominal muscles.<\/p>\n

How to Do a Stomach Vacuum<\/h2>\n

The easiest way to learn is lying on your back with your knees bent and your feet flat on the floor.<\/p>\n

Take several slow, deep breaths. Then exhale as completely as possible through your mouth. With your lungs empty, gently pull your abdomen inward, imagining your belly button moving toward your spine. Hold the contraction for about five seconds<\/strong> without inhaling, then relax and breathe normally.<\/p>\n

Once you’ve developed better control, you can perform the exercise standing, with your hands resting on slightly bent thighs, or while leaning against a countertop or other sturdy surface.<\/p>\n

The sequence stays the same:<\/p>\n

    \n
  • Exhale completely.<\/li>\n
  • Pull your abdomen inward and upward.<\/li>\n
  • Hold the contraction.<\/li>\n<\/ul>\n

    Start with 4 to 5 repetitions<\/strong>, holding each for a few seconds, then gradually build up to 8 to 10 repetitions<\/strong>, holding each contraction for 10 to 15 seconds<\/strong>. Many people find it easiest to practice first thing in the morning before eating.<\/p>\n

    Common mistakes include tensing the neck and shoulders, holding your breath for too long, or pushing your stomach downward instead of drawing it inward and upward. If you feel pressure in your pelvic floor or become lightheaded, you’re pushing too hard.<\/p>\n

    Stomach Vacuum vs. Crunches: Why It Can Be More Effective<\/h2>\n

    Traditional crunches involve repeatedly bending the spine as you curl your upper body up and down. They’re excellent for strengthening the rectus abdominis but less effective for training the deep stabilizing muscles. Poor technique can also place unnecessary stress on the neck and lower back, especially if you pull on your head or rush through high repetitions.<\/p>\n

    Because the stomach vacuum involves almost no movement, it’s much gentler on the spine. It activates the transverse abdominis, deep obliques, and diaphragm while improving spinal alignment and helping regulate internal abdominal pressure. Sports medicine research has linked stronger deep core muscles with a lower risk of chronic lower back pain, which is one reason physical therapists frequently recommend isometric exercises like planks and stomach vacuums.<\/p>\n

    There’s also an aesthetic benefit. Focusing only on crunches can strengthen the outer abdominal muscles while neglecting the deeper core, sometimes contributing to a midsection that feels firm but still protrudes slightly. The stomach vacuum trains your muscles to naturally draw the abdomen inward and better distribute pressure, making your stomach appear flatter even without changes in body fat.<\/p>\n

    The exercise may also benefit the pelvic floor when performed gently and with proper breathing. High-intensity crunches significantly increase intra-abdominal pressure, making them less suitable for people with pelvic floor dysfunction or significant abdominal separation (diastasis recti). During pregnancy, in the early postpartum period, or if you have pelvic organ prolapse or uncontrolled high blood pressure, both stomach vacuums and crunches should be discussed with your healthcare provider or physical therapist before you begin.<\/p>\n

    Should You Skip Crunches?<\/h2>\n

    Not at all.<\/p>\n

    Crunches still have value if your goal is building visible abdominal definition, increasing core strength, or improving athletic performance. A balanced workout might include a few minutes of stomach vacuums to activate the deep core, followed by anti-rotation exercises and planks, and then a moderate amount of controlled crunches.<\/p>\n

    The World Health Organization recommends muscle-strengthening activities at least twice a week<\/strong>, and stomach vacuums can easily fit into that routine. Practicing for about five minutes, three to four times per week<\/strong> is realistic for most people. Many notice improvements in posture, breathing awareness, and core engagement within two to three weeks.<\/p>\n

    One important reality check: the stomach vacuum does not burn belly fat<\/strong>. Reducing your waist circumference still depends on a healthy diet, regular physical activity, quality sleep, and stress management. Think of the stomach vacuum as a smart addition to your routine\u2014it won’t melt fat, but it can improve how your midsection looks and how effectively your core supports your body throughout everyday life.<\/p>\n","protected":false},"author":42690,"featured_media":114337,"template":"","format":"standard","categories":[6939,2723],"yoast_head":"\nGoodbye Crunches: This 5-Minute Core Exercise That Can Flatten Your Stomach Better In No Time - Grazia USA<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/graziamagazine.com\/us\/articles\/goodbye-crunches-this-5-minute-core-exercise-that-can-flatten-your-stomach-better-in-no-time\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Goodbye Crunches: This 5-Minute Core Exercise That Can Flatten Your Stomach Better In No Time\" \/>\n<meta property=\"og:description\" content=\"From social media to fitness studios, the stomach vacuum promises a flatter-looking midsection with just a few minutes of isometric exercise. 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