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Sit-Ups Are Overrated! Try These 3 Proven Core Exercises for a Stronger, Leaner Six-Pack

 Written by 

Julien Raby

 Last updated on 


Think sit-ups are the key to a six-pack? Think again.

Not only can they strain your back, but they’re not the most effective way to reveal those abs. In this article, you’ll discover three core exercises that outperform sit-ups, build stronger abs, and require no equipment.

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Ready to learn safer, smarter moves for a visible six-pack? Let’s dive in!

Plank Variations: Full Core Engagement

Standard Plank

Planks engage the entire core—abs, obliques, lower back—along with shoulders and glutes, making it a full-body workout. The plank’s isometric nature keeps muscles under tension longer, building endurance and strength.

Proper Form Tips:

  • Keep your body in a straight line from head to heels.
  • Avoid arching your lower back or letting your hips sag.
  • Activate your core by pulling your belly button toward your spine.

Side Plank

This targets the obliques, an often-overlooked muscle group in traditional ab workouts. Side planks strengthen stabilizing muscles and improve posture, something sit-ups fail to address.

Pro Tip: Add a leg lift to increase difficulty and engage the lower abs and glutes further.

Plank to Shoulder Tap

This variation forces your core to work harder by adding an anti-rotational component, which is crucial for real-world strength and stability. It’s a dynamic movement that challenges the muscles beyond the static plank.

How to Do It:

  • Start in a plank position.
  • Lift one hand to tap the opposite shoulder without shifting your hips.
  • Alternate taps while maintaining core stability.

Hollow Body Hold: Maximum Core Tension

Overview

The hollow body hold emphasizes constant core engagement, with particular focus on the lower abs, a notoriously difficult area to target. This move keeps the core under tension for the duration of the hold, making it extremely effective.

Form Tips:

  • Lie on your back with your legs and shoulders slightly lifted off the ground.
  • Keep your lower back pressed firmly into the floor.
  • Extend your arms overhead or keep them by your sides to adjust difficulty.

Progression

Easier Variation: Bent knees reduce strain on the lower back and make the move more beginner-friendly.
Advanced Variation: Add leg and arm flutters (Flutter Kicks) to increase time under tension, making the exercise more dynamic and challenging.

Benefits Over Sit-Ups

Unlike sit-ups, which mostly target the rectus abdominis (the “six-pack” muscles), the hollow body hold activates the entire core, including deep stabilizing muscles like the transverse abdominis. This leads to improved stability and core strength, something sit-ups fail to address.

Mountain Climbers: A Dynamic Core Workout

Exercise Overview

Mountain climbers combine cardio and core work, making them ideal for fat-burning and sculpting the abs simultaneously. This dynamic exercise boosts intensity, helping to shred fat while building a strong core.

How to Perform:

  • Start in a plank position.
  • Drive your knees toward your chest one at a time, maintaining core tension.
  • Keep your hips level and braced throughout the movement.

Benefits

Fat Burning: Mountain climbers increase heart rate, which helps burn fat and reveal muscle definition.
Core & Stability: This move engages all parts of the core and improves balance and coordination, unlike sit-ups which focus on a narrow range of motion.

Variations

Cross-Body Mountain Climbers: Drive your knee toward the opposite elbow to engage the obliques more effectively.
Slow vs. Fast Climbers: Perform slower reps to emphasize core control, or speed up to build cardiovascular endurance and burn more calories.

Bonus Tips: How to Maximize Six-Pack Visibility

Core Activation Over Crunching

Focus on exercises that build functional core strength instead of repetitive crunching motions like sit-ups. This will not only sculpt your abs but also improve overall core stability and strength, reducing the risk of injury.

Nutrition Matters

Abs are made in the kitchen, not just the gym. A clean, balanced diet is essential for reducing belly fat and achieving visible abs. Include lean proteins, healthy fats, and fiber-rich carbs in your meals to support fat loss and muscle growth.

Tip: Avoid processed foods and high-sugar diets, as they contribute to fat storage, particularly around the belly.

Incorporate Compound Movements

Full-body exercises such as squats, deadlifts, and overhead presses also engage the core, promoting fat loss and muscle building. These movements improve overall body composition, helping you reveal your six-pack faster.

The Importance of Anti-Rotation Exercises for Abs

Anti-rotational exercises, like plank shoulder taps, are crucial for core stability and injury prevention. These movements strengthen the muscles responsible for resisting rotation, which is vital in everyday activities like lifting, twisting, or even walking.

Traditional ab exercises like sit-ups fail to train this aspect of core strength, leaving a gap in functional fitness. Adding anti-rotational exercises helps improve your ability to stabilize the spine and avoid common injuries like lower back pain.

Conclusion

Sit-ups may be popular, but plank variations, hollow body holds, and mountain climbers are far superior for building a visible six-pack. These exercises target the entire core, engage multiple muscle groups, and offer more functional benefits.

With consistency, proper form, and attention to your diet, you can ditch the sit-ups and focus on these more effective core exercises to achieve the results you want.

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