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Tuck Crunch exercise demonstration - starting position (step 1 of 2)
Showing step 1 of 2
Step-by-step demonstration of the Tuck Crunch exercise showing proper form and technique

Tuck Crunch

Target Muscles

Equipment Required

Exercise Type

Reps Only

How To Do

Lie on your back with arms crossed over your chest and legs bent at 90 degrees, feet lifted off the floor. Engage your core and simultaneously lift your shoulders while bringing your knees toward your chest in a tucking motion. Keep your lower back pressed to the floor throughout the movement.

Step-by-Step Instructions

  1. Lie flat on your back on the floor or a mat with your arms crossed over your chest and your legs bent at a 90-degree angle, keeping your feet off the ground.
  2. Engage your core muscles by tightening your abdominal muscles.
  3. Simultaneously lift your upper body (shoulders and head) and bring your knees toward your chest, creating a 'tucking' motion.
  4. Squeeze your abdominal muscles at the top of the movement, ensuring your lower back stays in contact with the floor.
  5. Slowly lower your upper body and legs back to the starting position while maintaining control and keeping your core engaged.
  6. Repeat for the desired number of repetitions.

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Frequently Asked Questions

What muscles do tuck crunches work?
Tuck crunches primarily target your entire abdominal section, with a strong emphasis on the rectus abdominis. They also engage the upper abs, lower abs, and obliques for a well-rounded core workout.
Do tuck crunches require any equipment?
Tuck crunches are a bodyweight exercise and require no equipment, making them perfect for home workouts. You can perform them on a mat or towel to add comfort and protect your lower back.
Are tuck crunches suitable for beginners?
Yes, tuck crunches are beginner-friendly as long as you perform them with proper form and control. Start with fewer reps and focus on keeping your lower back pressed into the floor to avoid strain.
What are common mistakes to avoid when doing tuck crunches?
A common mistake is pulling with your neck instead of engaging the core, which can lead to discomfort. Also, avoid letting your lower back lift off the floor, as this reduces effectiveness and strains the spine.
How many sets and reps should I do for tuck crunches?
For general fitness, aim for 2–3 sets of 10–15 reps, resting 30–60 seconds between sets. Adjust the volume based on your experience level and core strength goals.
What are the benefits of tuck crunches?
Tuck crunches develop core strength, improve abdominal definition, and enhance stability for better performance in other exercises. They can also help improve posture by strengthening the muscles that support your spine.
Are there variations of the tuck crunch to make it harder?
Yes, you can increase difficulty by holding a light weight across your chest or extending your legs further during the movement. Slow the tempo to increase time under tension for more core engagement.