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How Many Situps Should I Do a Day?

Updated
March 4, 2025
Published
March 4, 2025
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Situps are a foundational exercise for anyone looking to strengthen their core muscles and improve their overall fitness level. They primarily target the rectus abdominis—the “six-pack” muscle—while engaging other key areas like the obliques and hip flexors. However, knowing how many situps to do daily can depend on several factors, including your current fitness level, goals, and whether you’re incorporating other core exercises into your routine. Read on to find out how to start incorporating situps into your fitness plan today and take the first step toward a stronger core.

How Situps Work: Targeting Core Muscles

A woman doing sit ups combining with kicking exercises.

Situps are a bodyweight exercise that works your abdominal muscles along with supporting muscles like the hip flexors and lower back. This makes them a great choice for improving core strength, which plays a key role in posture, balance, and athletic performance [1].

When you perform situps correctly:

  • You engage the rectus abdominis, which helps develop the front of your core [1].
  • You activate the obliques, contributing to a toned midsection.
  • You strengthen the hip flexors, which are important for lower body movements like walking, running, and squatting.

However, it’s important to note that doing situps alone won’t significantly reduce belly fat or result in a flat stomach. Spot reduction—losing fat in a specific area—is a common misconception. Fat loss requires reducing your body fat percentage through a calorie deficit, which involves consuming fewer calories than you burn.

Benefits of Situps

Situps offer several advantages when done correctly and as part of a balanced fitness plan:

1. Builds Core Strength

Strengthening your core improves balance, stability, and overall athletic performance.

2. Enhances Posture

A strong core supports the spine, reducing the risk of back pain and improving posture.

3. Boosts Muscular Endurance

Regular situps increase the endurance of your abdominal muscles, making everyday activities easier.

4. Accessible and Versatile

Situps require no equipment and can be done anywhere, making them a convenient addition to any exercise routine.

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How Many Situps Should You Do Daily?

A beginner that requires help to correct her sit up form.

The number of situps you should aim for depends on your goals and fitness level. Below is a guide for beginners, intermediate fitness levels, and advanced athletes.

For Beginners

If you’re new to exercise:

  • Start with 10–15 situps per set.
  • Perform 2–3 sets daily or every other day.
  • Focus on maintaining proper form to avoid injury.

For Intermediate Fitness Levels

Once you’ve mastered the basics, aim to:

  • Perform 20–30 situps per set.
  • Complete 3–4 sets, 3–4 times per week.
  • Incorporate core exercises like planks and crunches to enhance your routine.

For Advanced Athletes

If you’re experienced and want a greater challenge:

  • Perform 40–50 situps per set.
  • Add resistance using a weight plate or medicine ball.
  • Combine situps with high-intensity exercises like burpees, mountain climbers, and Russian twists for a comprehensive workout.

Should You Do Situps Every Day

While situps can be part of your daily routine, it’s not always the best approach. Like any other muscle group, your core muscles need time to recover and rebuild after exercise. Doing situps every day without rest may lead to overtraining, resulting in muscle fatigue and a higher risk of injury [2].

Instead, consider the following:

  • Perform situps 3–5 times per week, allowing rest days for recovery.
  • Mix it with other core exercises to target different muscle groups.
  • Include full-body workouts, such as squats and deadlifts, which also engage your core.

Can Situps Help You Lose Belly Fat?

While it strengthens the abdominal muscles, they won’t directly burn belly fat [3]. Fat loss occurs when you create a calorie deficit by burning more calories than you consume. To achieve a toned midsection and reduce belly fat, you need to combine situps with:

1. Cardio Workouts

Aerobic exercises like running, cycling, and swimming burn calories and help reduce overall body fat, including belly fat.

2. Strength Training

Incorporate full-body strength training to build muscle, which increases your resting metabolic rate and promotes fat burning [4]. Compound exercises like squats, lunges, and pushups engage the core while building strength.

3. A Balanced Diet

Focus on nutrient-dense foods like vegetables, lean proteins, and whole grains while limiting processed foods and added sugars. Maintaining a calorie deficit is crucial for weight loss.

Proper Form: How to Do It Correctly

Using the correct technique ensures you’re effectively targeting your core muscles while minimizing the risk of injury. Follow these steps for a proper situp:

1. Starting Position

  • Lie flat on your back on a comfortable surface, such as a yoga mat.
  • Bend your knees and place your feet flat on the ground.
  • Position your hands behind your head or cross them over your chest.

2. Performing the Situp

  • Engage your core muscles as you lift your upper body toward your knees.
  • Avoid pulling on your neck or using momentum.
  • Exhale as you lift and pause briefly at the top.

3. Returning to Start

  • Lower yourself back down in a controlled manner, keeping your core engaged.
  • Inhale as you return to the starting position.

Common Mistakes to Avoid

  1. Using Momentum: Swinging your arms or using momentum reduces the effectiveness of the exercise.
  2. Pulling on Your Neck: This can strain your neck muscles and lead to discomfort.
  3. Arching Your Back: Maintain a neutral spine to avoid unnecessary stress on your lower back.
  4. Rushing Through Reps: Perform situps slowly and deliberately for maximum engagement.
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How Many Situps for a Six-Pack?

Achieving visible abdominal muscles or a six-pack requires more than just doing situps. Here’s what you need:

  1. Lower Body Fat Percentage: A body fat percentage of 10–15% for men and 18–22% for women is typically necessary for a six-pack to show [5].
  2. Full-Core Training: Combine situps with planks, leg raises, and other core exercises.
  3. Consistency and Patience: Results take time. Stick to a routine that includes strength training, cardio, and a healthy diet.

Combining Situps with a Comprehensive Workout Plan

To maximize results, pair it with a comprehensive workout plan that includes:

  • Cardio: Burn calories and improve cardiovascular health.
  • Strength Training: Build muscle across the entire body for a balanced physique.
  • Flexibility Training: Stretching and yoga improve mobility and reduce injury risk.

Conclusion

The number of situps you should do daily depends on your fitness level, goals, and the overall structure of your exercise routine. Beginners can start with 10–15 situps per set, while more advanced individuals may aim for 40–50 situps or add resistance for greater intensity. Remember, situps alone won’t help you lose weight or achieve a flat stomach. To burn belly fat and build a strong, defined core, combine situps with cardio, strength training, and a healthy diet. Focus on consistency, proper form, and gradual progression to see long-term results. For more tips and resources on how you can lead a healthy lifestyle, check out the JustFit app!

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FAQs

Can situps help reduce lower back pain?

Should I do situps before or after my workout?

Do situps help improve athletic performance?

Are weighted situps better than bodyweight situps?

Can I replace situps with other core exercises?

References  

Cooper, Edward. (2022). What body fat percentage should I be to see abs? Men's Health UK. [online] Available at: https://www.menshealth.com/uk/building-muscle/a759234/what-body-fat-percentage-should-i-be-to-see-abs/

Dugan, Sheila. (n.d.). Losing Belly Fat. Rush University Medical Center. [online] Available at: https://www.rush.edu/news/losing-belly-fat

LeWine, Howard E. (2024). Can you increase your metabolism? Harvard Health Publishing. [online] Available at: https://www.health.harvard.edu/nutrition/can-you-increase-your-metabolism

McGuire, Jane. (2022). I did 30 sit-ups a day for a month — here's what happened. Tom's Guide. [online] Available at: https://www.tomsguide.com/news/i-did-30-sit-ups-a-day-for-a-month-heres-what-happened

Neudecker, Kate. (2023). How to Do Sit-Ups with Perfect Technique to Torch Your Core. Men's Health UK. [online] Available at: https://www.menshealth.com/uk/how-tos/a735506/sit-up/

About authors
Sean Manik
Written by
Sean is a Computer Science student at the National University of Singapore with a strong technical and creative background. With over six years of professional writing experience and 100+ books ghostwritten, he excels in crafting clear, engaging content. Skilled in writing, editing, and proofreading, Sean is dedicated to delivering high-quality work that resonates with readers and leaves a lasting impact.
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