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By Mofilo Team
Published
To answer your question, is it true that you can't spot reduce fat? Yes, it is 100% true, and the belief that you can is the reason millions of people do endless crunches without ever seeing their abs. You've probably felt that burn in your stomach after 100 sit-ups and thought, "This must be working." It feels like you're melting the fat right off. But you're not. You are simply fatiguing the muscle underneath the fat. The fat itself is completely unaffected by the exercise happening below it. Think of your body's fat stores like a single bank account with branches all over your body. When you need energy, your body makes a withdrawal from the main account. It doesn't care that you're doing bicep curls; it won't specifically pull fat from your arm to fuel that curl. It pulls energy from the entire system. This is why after weeks of targeted exercises, your arms, legs, or stomach look exactly the same. It's not because you're not working hard enough. It's because you've been given the wrong map.
So if crunches don't burn belly fat, what does? A calorie deficit. But the frustrating part is the *order* in which your body decides to burn fat. This isn't random; it's dictated by your genetics and hormones. Your fat cells have two types of receptors that act like on/off switches for fat release: Beta-2 receptors (the 'go' switch) and Alpha-2 receptors (the 'stop' switch). Areas where you lose fat easily-like your face and arms-are high in Beta-2 receptors. Stubborn areas-like the lower belly and love handles for men, or hips and thighs for women-are dense with Alpha-2 receptors. Some research shows these stubborn areas can have over 60% more 'stop' signals than 'go' signals. This is why you can lose 10 pounds and see it in your face, but your stomach still looks soft. Your body is pulling fat from the easy-access areas first. It will only start pulling significant amounts from stubborn areas when overall body fat gets low enough. You can't change this order. You can only accelerate the overall process so your body is forced to tap into those stubborn reserves sooner. The only way to do that is to maintain a consistent energy deficit over a long period. You know the science now. Fat loss is a whole-body process, and your genetics dictate the order. But knowing this doesn't change the number on the scale. The only way to force your body to finally tap into stubborn fat is to create a consistent energy deficit over time. Do you know, with 100% certainty, if you were in a deficit yesterday? Or the day before?
Understanding you can't spot reduce is the first step. This three-step plan is how you put that knowledge into action to finally see the changes you want.
This is the engine of all fat loss. Without it, nothing else matters. Your body will only burn stored fat if it's getting less energy from food than it needs to function. A deficit of 300-500 calories per day is the sweet spot. It's aggressive enough to produce about 1 pound of fat loss per week but not so extreme that it causes muscle loss and energy crashes. For a 180-pound person who is moderately active, their maintenance calories might be around 2,500 per day. To lose fat, they would aim to eat between 2,000 and 2,200 calories daily. Don't guess. Use an online TDEE (Total Daily Energy Expenditure) calculator as a starting point, track your intake for two weeks, and adjust based on how your weight changes. The most important part is consistency. One day of a perfect diet followed by a 1,500-calorie surplus on the weekend will erase all your progress.
Stop thinking about exercise as a tool to burn fat on a specific body part. Start thinking of it as a tool to build muscle everywhere. The more muscle you have, the more calories your body burns at rest, making it easier to maintain a calorie deficit. Instead of 200 crunches, your workout should be built around compound movements that use multiple muscle groups. These are the big, powerful lifts that burn the most calories and stimulate the most growth.
A simple, effective plan is a 3-day full-body routine:
Alternate between Workout A and B, with a rest day in between (e.g., Mon-A, Wed-B, Fri-A). The goal is progressive overload: each week, try to add a small amount of weight (even just 5 pounds) or do one more rep than last time. This signals your body to build and maintain muscle while you're in a deficit.
This is where your crunches and leg lifts come back in, but with a new purpose. They aren't for burning fat; they are for building the muscle that lies *underneath* the fat. Once your calorie deficit and strength training have reduced your overall body fat percentage, the shape of the underlying muscle is what creates a 'toned' or 'defined' look. If you lose all the fat but have no abdominal muscle, you'll just have a flat, undefined stomach. If you build your abs while losing the fat, you'll have a six-pack. At the end of your full-body workouts, add 2-3 sets of targeted exercises for the areas you want to improve.
This combination ensures you're losing the layer of fat on top while simultaneously building the defined muscle you want to reveal.
This process works, but it requires patience. Your body will lose fat in its preferred order, not yours. Here is a realistic timeline.
Ab exercises like crunches and planks strengthen and build your abdominal muscles. They do not burn the layer of fat covering them. A strong core is essential for posture and performance in other lifts, but visible abs are the result of a low overall body fat percentage, achieved through a calorie deficit.
Your body tends to store and release fat from different areas in a genetically predetermined order. The fat cells in your face and neck have more 'go' signals (Beta-2 receptors) for fat release, making them one of an easy first sources of energy for the body when you're in a calorie deficit.
Genetics are the primary driver of where your body prefers to store fat. This determines whether you have an 'apple' shape (storing fat around the midsection) or a 'pear' shape (storing fat on the hips and thighs). You cannot change this pattern, but you can lower your total body fat until those areas shrink.
A safe and sustainable rate of fat loss is 0.5% to 1% of your body weight per week. For a 200-pound person, this is 1-2 pounds. You should maintain the deficit until you reach your goal body composition, then slowly increase calories back to maintenance to hold your new weight.
All content and media on Mofilo is created and published for informational purposes only. It is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition, including but not limited to eating disorders, nutritional deficiencies, injuries, or any other health concerns. If you think you may have a medical emergency or are experiencing symptoms of any health condition, call your doctor or emergency services immediately.