Common at Home Ab Workout Mistakes Reddit

Mofilo TeamMofilo Team
8 min read

Why 500 Crunches a Day Won't Give You Abs

The most common at home ab workout mistakes reddit users discuss are doing endless reps, training abs every single day, and believing ab exercises burn belly fat. The hard truth is that you can do 1,000 crunches daily and never see a six-pack. The problem isn't your effort; it's your strategy. You're likely making one of three critical errors that keep your abs hidden and your progress stalled. The first mistake is thinking ab workouts burn the fat covering them. They don't. Ab exercises strengthen the muscle underneath, but they do almost nothing to remove the layer of fat on top. That job belongs to your diet and a consistent calorie deficit. The second mistake is focusing on high-rep, low-intensity exercises. Doing 100 bodyweight crunches is an endurance exercise for your abs, not a muscle-building one. It’s like trying to grow your legs by walking. To make muscles bigger and more defined, you need to challenge them with resistance. The third mistake is training them too often. Your abs are a muscle group just like your chest or back. They need time to recover and rebuild stronger after a tough workout. Training them into the ground every day is a recipe for fatigue, not growth. Fixing these three mistakes is the only path to building a strong, visible core.

Abs Are Built With Weight, Not Junk Reps

To build visible abs, you must treat them like any other muscle you want to grow: with progressive overload. This means systematically increasing the demand placed on the muscle over time. Doing the same 3 sets of 20 crunches for six months is why you're stuck. Your muscles adapted to that challenge in the first two weeks. The number one reason people fail to build their abs is they chase the “burn” with high reps instead of chasing strength with heavy resistance. Think about it: you wouldn't try to build a bigger chest by bench pressing an empty 45-pound barbell for 100 reps. You’d add weight. Your abs are no different. The goal isn't to hit a certain number of reps; it's to make the reps you do *hard*. A set of 12 weighted crunches where the last two reps are a real struggle will do more for ab growth than 100 lazy bodyweight reps ever will. We're talking about hypertrophy-the process of muscle growth. This is best stimulated in a rep range of about 8 to 15 reps per set, taken close to failure. Your ab routine should consist of 2-3 exercises, performed for 3-4 sets each, just 2-3 times per week. This provides the stimulus for growth and allows for 48-72 hours of recovery, which is when the actual growth happens. You now understand the principle: treat abs like any other muscle with progressive overload. But can you honestly say you know if your ab workout today was harder than the one you did 4 weeks ago? If you can't prove it with numbers, you're just guessing and staying in the same place.

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The 15-Minute Protocol That Actually Works

Forget the hour-long ab circuits. A powerful, effective ab workout should take no more than 15-20 minutes if you're training with the right intensity. This protocol is built on hitting the core from all angles with resistance, forcing it to adapt and grow. Perform this workout 2-3 times per week on non-consecutive days. For example, Monday and Thursday.

Step 1: The Weighted Crunch (Top-Down Movement)

This targets the upper portion of your rectus abdominis, the “six-pack” muscle. Lie on your back with your knees bent. Hold a single dumbbell or weight plate (start with 10-25 pounds) across your upper chest. Crunch up, focusing on lifting your shoulder blades off the floor by contracting your abs, not by pulling with your neck. Squeeze at the top for a second, then lower slowly.

  • The Goal: 3 sets of 10-15 reps. Once you can comfortably complete 15 reps, increase the weight by 5 pounds. If you can do more than 20, the weight is too light.

Step 2: The Hanging Leg Raise (Bottom-Up Movement)

This is the king of lower ab development. Hang from a pull-up bar. Keeping your legs as straight as possible, use your abs to raise your legs up towards the bar. Control the movement on the way down. Don't swing.

  • Beginner Modification: If you can't do a straight-leg raise, start with hanging knee tucks. Focus on tilting your pelvis up as you bring your knees to your chest.
  • The Goal: 3 sets to failure. Aim for the 8-20 rep range. Your progress is measured by getting more reps or moving from knee tucks to full leg raises.

Step 3: The Cable Woodchop (Rotational Movement)

Your core isn't just for crunching; it's for twisting and stabilizing. The woodchop builds rotational strength and carves out your obliques. Set a cable machine to a high position. Stand sideways to the machine, grab the handle with both hands, and pull it down and across your body towards your opposite knee. Keep your arms mostly straight and pivot your feet. The movement should come from your core.

  • The Goal: 3 sets of 10-12 reps per side. Control the weight; don't just yank it. Once you can hit 12 reps with perfect form, increase the weight.

This routine is for you if you're tired of doing endless bodyweight exercises with nothing to show for it. It's not for you if you have a serious back injury or are an absolute beginner to exercise. If that's the case, master holding a plank for 60 seconds before adding resistance.

The Real Timeline for Seeing Your Abs

Here’s the honest timeline you won't see in a “30-Day Abs Challenge” video. Progress is measured in two ways: strength gains (performance) and visual changes (aesthetics). The first happens much faster than the second.

  • Weeks 1-4: You Will Feel Stronger. After just a few weeks on the new protocol, your core will feel significantly tighter and more stable. You'll be able to lift more weight or do more reps on your ab exercises. This is real, measurable progress. However, you will likely see zero visual change in your midsection unless your body fat is already under 15% (for men) or 22% (for women).
  • Months 2-3: The Bricks Get Thicker. You are consistently getting stronger. The 15-pound dumbbell you started with now feels light. The muscles of your abs are growing thicker and denser. If you are also maintaining a slight calorie deficit, you might start to see a faint outline of your upper abs in good lighting. This is the stage where most people quit because the visual reward doesn't match the effort yet. Don't stop.
  • Months 6+: The Kitchen Reveals The Work. If you have been consistent with both progressive overload in your ab training and a disciplined diet, this is where the magic happens. As your body fat continues to drop, the abs you've been building will finally become clearly visible. Remember, ab training builds the mountain, but only a low body fat percentage clears away the clouds so you can see it. A warning sign that you're off track is if your numbers in the gym aren't improving. If you're still using the same weight for weighted crunches in month 3 as you did in month 1, you are not applying progressive overload, and your muscles have no reason to grow.

That's the plan. Three exercises, two or three times a week. Track the weight and reps for each. Increase when you hit your target. It's simple, but it requires remembering what you did last Monday for your weighted crunches, and the Monday before that. Most people try to keep this in their head. Most people fall off track.

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Frequently Asked Questions

The Role of Diet in Seeing Abs

You cannot out-train a bad diet. Abs become visible at low body fat percentages, typically around 10-14% for men and 18-22% for women. This requires a sustained calorie deficit. Your ab workouts build the muscle; your diet is what reveals it to the world.

Training Abs Every Day

Training abs daily is a mistake that prevents growth. Muscles grow during recovery, not during the workout. Your abs need 48-72 hours to repair and get stronger. Intense sessions 2-3 times per week are far more effective than low-intensity daily workouts.

Best Bodyweight-Only Ab Exercises

If you have no equipment, focus on progression. Instead of doing more reps, do a harder variation. Progress from a standard plank to a plank with alternating arm/leg raises. Move from crunches to V-ups. Go from floor leg raises to dragon flags. The goal is always increasing difficulty.

Dealing with Lower Back Pain During Ab Workouts

Lower back pain during ab exercises often means your form is off or your hip flexors are taking over. For leg raises, only lower your legs as far as you can while keeping your lower back flat on the floor. Actively press it down. Strengthening your glutes and hamstrings also helps stabilize your pelvis.

How Long to Rest Between Ab Sets

Rest for 60-90 seconds between sets. This gives your muscles enough time to recover ATP (energy) so you can perform the next set with maximum intensity. Resting less than 45 seconds turns it into a cardio circuit, which undermines the goal of building muscle through heavy resistance.

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