A toned, flat tummy is a goal many of us strive to achieve, but endless crunches and ditching all your favorite foods aren’t the right—or fun—way to do it. A sculpted core and trim tummy can be attained by incorporating small changes into your day, like holding in your abs while you walk and adding the right healthy fats to your diet. Here, 25 simple ways to flatten your belly. (Give your entire body—tummy included!— a shape-up in just minutes a day with these exclusive ballet-inspired routines from Prevention’s Flat Belly Barre!) Talk and walk. Instead of catching up with friends over food and drinks, suggest a reunion on the move—you’re likely to work out 104% harder if you have an exercise buddy. Suggest a weekly walk-and-talk session, form a friendly fitness club, or try a new class at the gym together. Try the Roll-Up. Hold a resistance band taut between your hands and lie on the floor face up, with legs extended and arms overhead. Pull abs in, tuck your chin, lift arms toward the ceiling, and roll head, shoulders, and torso up and over your legs as far as you can. Keep heels firmly on the floor and reach hands towards your feet. Pause, then slowly roll back down. Do 5 to 8 reps with 30 minutes of cardio 5 to 6 times a week. (Try more exercises with resistance bands here.) Make time for cardio. If you want to burn the most belly fat, a Duke University study confirms that aerobic exercise is the most effective in burning that deep, visceral belly fat. In fact, aerobic training burns 67% more calories than resistance training or a combination of the two, according to the study. Blast Belly Fat with the Flat Belly Diet Online. Try out Spidey moves. Try the Spiderman Climber: Get into plank position with arms and legs extended, hands beneath shoulders, and feet flexed. Keeping your abs tight, bend your left leg out to the side and bring the knee toward the left elbow. Pause, then return to start. Switch sides. Do 20 reps, alternating sides, with 30 minutes of cardio 5 to 6 times a week. Clean your house. Photo by Olesia Bilkei/Getty Images One more reason to go after those dust bunnies: Vacuuming is a great ab workout. Tighten your abdominal muscles while you push back and forth for a tighter tummy while you clean. Eat more fiber. For every 10 grams of fiber you eat daily, your belly will carry almost 4% less fat. Thankfully, there are more enjoyable ways to increase your fiber than scarfing down a box of bran flakes: Two apples, ½ cup of pinto beans, one artichoke, or two cups of broccoli will all give you 10 grams of belly-flattening fiber. Be pushy at restaurants. Saying, “I’ll go last” when the waiter comes around could be adding bulk to your belly. A recent study showed that a normal-weight woman was more likely to mimic a thin woman’s eating habits than an obese woman’s. So when you’re out for girl’s night, order first. You’ll keep yourself, and maybe even a friend or two, on track to a flatter tummy. (These 15 low-calorie restaurant meals can help.) Do the Windshield Wiper. Lie face up with arms out to your sides, palms down, and legs bent at 90 degrees so feet are off the floor. Keep abs tight and slowly lower legs to the left as far as possible, keeping shoulders on the floor. Pause, then return to start. Repeat to the right. Do 20 reps, alternating sides. Rethink those pretzels. Too much salt will make you retain more fluid, which contributes to a puffy appearance and extra water weight. Avoid these 9 foods that cause belly bloat. Fry fat with The Boat Move. Target your deepest ab muscles with The Boat: Lie face up on a mat with arms straight up over chest. Lift your upper body off the ground by rolling through the spine. At the same time, raise your legs so that you’re balancing on your butt, knees bent and shins parallel to the ground. Slowly roll back down onto the mat, lowering legs. That’s 1 rep. Do 5 reps per set, resting 30 to 60 seconds between sets. Add avocado. Photo by Tina Chang/Getty Images Just half an avocado contains 10 grams of MUFAs (monounsaturated fatty acids), which halt blood sugar spikes that tell your body to store fat around your belly. Eat these in ¼ cup servings to ward off belly fat without overdoing it. Play catch. Get into a crunch position—lie on your back, knees bent, feet flat on the floor, shoulders and head off the floor with your abs contracted. Then have someone throw an exercise ball (or basketball) to you—first to your left side so you have to twist and reach to catch it, and then to your right. Do this as many times as is comfortable, and try to increase the number each week. Skip your daily soda habit. Where do you think all those bubbles from carbonated drinks end up? They gang up in your belly! (Yes, even diet: Check out all 7 gross side effects of drinking diet soda.) Swap soda, diet soda, and seltzer for Sassy Water, a Flat Belly Diet staple beverage. Get 25 Sassy Water variations here. Get on the wagon. That glass of wine with every meal may be part of the reason your jeans are too tight. Alcohol intake is known to raise cortisol levels, sending fat straight to your belly. Paddle off your belly. Kayaking is an exhilarating, ab-crunching workout. Constant paddling requires lots of twisting and tightness from your abs for long periods of time. MORE: 10 Reasons Your Abs Exercises Aren’t Working Add fresh seafood to your plate. Photo by Annabelle Breakey/Getty Images Salmon and other fatty fish are rich in the same omega-3 fatty acids as many belly-fat-busting foods. Try poaching your fish for a low-calorie way to enjoy this lean protein. (Here’s how to cook fish sans the smell.) Sprinkle seeds on your salad. Sunflower seeds are packed with tons of MUFAs and B vitamins, which play an important role in protecting against inflammation. Sprinkle two tablespoons on top of your salad and stir-fries. Sculpt your core while you walk. As you go about your day, imagine there’s a magnet pulling your belly button back toward your spine. Practice the tuck until it becomes comfortable, and soon this easy ab-engaging move will become like second nature. Guzzle more H2O. Forget water weight: Drinking lots of water helps flush bloat that your body might be holding onto. Stand tall while pumping iron. Stand as much as possible when doing strength training exercises. That way your abs will naturally help to balance and stabilize your body. To add an extra flat belly boost to your weight routine, concentrate on keeping your abs tight and maintaining good posture while you lift, but without holding your breath. Sleep away belly fat. Research from the University of Chicago shows that those who sleep 7 hours or more a night lose twice as much fat and are less hungry than those who get less than 7 hours of shut-eye. Check out these 20 ways to sleep better every night for the best rest of your life. Tone up with tennis. Photo by Photo Alto/Sandro Di Carlo Darsa/Getty Images Swing a few backhands and forehands and you’ll feel your abs getting tighter after just a few sets. You’ll strengthen your obliques with every stroke. Keep peanut butter in your diet. One serving of peanut butter has 2 g of fiber and 8 g of protein, on top of belly-busting MUFAs. Try this easy recipe to add a flat belly punch to dinner: Toss a half-cup of whole grain noodles with 3 ounces cooked shrimp, minced scallions, and ¼ cup sliced red bell pepper. Dress with a mixture of 2 tablespoons peanut butter, 2 tablespoons warm water, and a pinch of crushed red pepper flakes. MORE: 25 Things You Can Do With Peanut Butter Punch your way to a flat stomach. Take your workout indoors with boxing. Aerobic kickboxing is more than just a great belly fat-burning, cardio workout. All those arm thrusts and high kicks firm abs, too. Sculpt while you sit. While you’re driving, sitting, or just waiting at the doctor’s office, imagine there’s gum or wet paint on the back of your chair so you have to hold yourself up instead of leaning back. Keep shoulder blades down and back, abdominals lifted, and picture yourself knitting your rib cage together and in. MORE: Top Yoga Poses For Weight Loss