are crunches and sit ups the same?
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The crunch exercises only the abdominal muscles, while the full sit-up involves both the abdominals and other stabilizing muscles—in the chest, neck and low-back as well as hip flexors and lower-leg muscles (if you hook your feet).
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“Abs” refers to the rectus abdominis, which is a segmented muscle located on the front of your abdomen between your lower ribs and pelvis. It's what comprises a six-pack. Your core, meanwhile, includes your abs and every other muscle between your hips and your trapezius (excluding your chest and upper back).
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Doing tons of crunches (and other ab exercises) will build muscle in the abdominals, but it won't do anything to burn your belly fat. Unfortunately, you cannot reduce the amount of fat in one specific area of your body. You must lose overall fat throughout the entire body to trim your waistline.
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Try: Partial Crunches Partial crunches can help strengthen your back and stomach muscles. Lie with knees bent and feet flat on the floor. Cross arms over your chest or put hands behind your neck. Tighten stomach muscles and raise your shoulders off the floor.
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Push-ups and sit-ups, or crunches, will certainly elevate your heart rate, but are anaerobic, or muscle strengthening in nature. They are not aerobic, or cardiovascular.
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Wait, So Crunches Aren't A Total Waste Of Time? ... Research from the American Council on Exercise (ACE) says that plain old crunches are the most effective way to tone the rectus abdominus, those six-pack muscles that run up and down the front of your belly .
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Like oil and water, fat sits on top of muscle. You could have ridiculously strong abs ready to pop out, but if they are buried under a lot of fat, no amount of exercise will give you a flat stomach or make those abs pop, because it doesn't address the fat on top of your muscles.
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The sit-up (or curl-up) is an abdominal endurance training exercise to strengthen, tighten and tone the abdominal muscles.
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They use your body weight to strengthen and tone the core-stabilizing abdominal muscles. Situps work the rectus abdominis, transverse abdominis, and obliques in addition to your hip flexors, chest, and neck. They promote good posture by working your lower back and gluteal muscles.
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Pros: Intense muscle isolation Like situps, crunches help you build muscle. ... This intense muscle isolation makes them a popular exercise for people trying to get six-pack abs. This also makes them ideal for strengthening your core, which includes your lower back muscles and obliques.
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While ab exercises, such as crunches, do burn some calories, they won't burn enough fat to help you lose weight on your stomach. Building muscle through ab exercises will only result in a difference if you're also losing fat.
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“You can carry on working your tummy muscles doing sit-up style exercises up to around 16 weeks,” advises Lucie Brand, personal trainer and founder of bump2mumfitness.com. But Brand says that if you begin to feel uncomfortable before this point when doing sit-ups, you should stop.
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Like situps, crunches help you build muscle. But unlike situps, they work only the abdominal muscles. This intense muscle isolation makes them a popular exercise for people trying to get six-pack abs. This also makes them ideal for strengthening your core, which includes your lower back muscles and obliques.
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While there is no single exercise that burns just belly fat, any exercise can help reduce overall body fat when done regularly in combination with a healthy diet. 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.
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['Reverse Crunches. [01:04]', 'Double Straight Leg Raises. [01:48]', 'Seated Knee Tucks. [03:06]', 'Decline Sit-Ups. [03:56]', 'Knee Tucks. [06:34]', 'Reverse Crunch. [08:12]', 'Double Straight Leg Raise. [08:51]', 'Hip Lifts. [09:22]']
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These factors make strengthening your pelvic floor and core muscles a top priority, but don't aim to do a record number of crunches each day. In fact, you should avoid core exercises like crunches, sit-ups, push-ups and planks.
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That's because v-ups are better for targeting all your abs muscles, including your lower abs and obliques. Standard situps, on the other hand, will work your abs, but they tend to have more of a focus on your upper abs, he says. ... That's typically due to tight hamstrings and/or weak abs.