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16 Best Exercises To Train Your Deep Core Muscles

- Writen by: - Reviewed by Jennifer Olejarz, BS Fact checked

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Want to strengthen your core and burn fat? Deep core exercises target the muscles beneath the surface, including the transverse abdominis and pelvic floor. These inner core muscles are essential for stability, posture, and injury prevention.

The best exercises include the plank, bird dog, dead bug, and several others that engage your deep stabilizers with control and precision. Some calisthenics core workouts already incorporate these moves to train strength without equipment.

Read on to discover 16 of the most effective deep core exercises, each with clear instructions.

Best Deep Core Exercises

All Exercises For Deep Cores

Strong abs start from the inside out. Deep core training focuses on the muscles beneath the surface—the ones that keep your spine stable and your movements controlled. These exercises go beyond crunches to build strength where it counts most. Done right, they improve posture, reduce strain, and support long-term performance.

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Russian Twist

Equipment:

Bodyweight

Muscle Worked:

Abs

  1. Sit on the floor with your knees bent.
  2. Tilt your torso back as you lift your feet off the floor... Read more

Side Plank

Equipment:

Bodyweight

Muscle Worked:

Abs

  1. Set up a flat area to perform the side plank. Consider using a yoga mat or towel for added cushion while performing this exercise. 
  2. Lay down on the mat on your right side. .. Read more

Kneeling Ab Wheel Rollout

Equipment:

Ab Wheel

Muscle Worked:

Abs

  1. Select a suitable ab wheel and find a flat, open area. Kneel on the floor with your back straight and knees hip-width apart.
  2. Firmly grip the handles of the ab wheel with both hands, ensuring your arms are fully extended. Engage your core muscles and maintain a straight back... Read more

Flutter Kick

Equipment:

Bodyweight

Muscle Worked:

Abs

  1. Lie on your back with your legs extended and arms by your sides.
  2. Raise your legs off the ground about six inches... Read more

Glute Bridge

Equipment:

Bodyweight

Muscle Worked:

Glutes

  1. Begin by lying on a mat with knees bent and feet flat, hip-width apart. Your arms should be resting by your side.
  2. Make sure your knees are aligned with your hips. Inhale and engage your core to flatten your lower back against the ground and stabilize your hips... Read more

Mountain Climber

Equipment:

Bodyweight

Muscle Worked:

Abs

  1. Position yourself on the floor with your hands directly under your shoulders. Keep your legs extended straight behind you. Your body should form a straight line from head to heels.
  2. Brace your core to stabilize your spine. Keep your hips level and avoid sagging or piking... Read more

Standing Ab Wheel Rollout

Equipment:

Ab Wheel

Muscle Worked:

Abs

  1. Stand with your feet shoulder-width apart, the ab wheel between your feet. Begin in a forward fold position, holding the ab wheel with both hands.
  2. Slowly roll the wheel forward, extending at the hips. Keep your back straight and core engaged... Read more

Toe Touches

Equipment:

Bodyweight

Muscle Worked:

Abs

  1. Laying flat on your back, lift both legs up as straight as you can. Your hip joint should be at a 90-degree angle.
  2. Lift your arms towards the ceiling and then reach up even further towards your toes... Read more

Leg Raise

Equipment:

Bodyweight

Muscle Worked:

Abs

  1. Lie flat on your back with your arms resting on either side of you with your legs out straight.
  2. Engage your core by pulling your stomach muscles in towards your spine... Read more

Bicycle Crunch

Equipment:

Bodyweight

Muscle Worked:

Abs

  1. To begin, lay on your back on something soft. A yoga or exercise mat is ideal.
  2. Place your hands behind your ears with your elbows out to the side. Bend both knees so your feet are flat on the floor... Read more

Understanding Deep Core Muscles

The deep core is a system of muscles that stabilize your spine, support your organs, and help you move efficiently. Unlike the outer abs, these muscles work behind the scenes to control posture, breathing, and balance.

Key components of the deep core include:

  • Transverse abdominis: wraps around your midsection like a corset, providing deep abdominal support
  • Multifidus: runs along your spine and helps maintain spinal alignment and joint stability
  • Diaphragm: controls your breathing and coordinates with core muscles during movement
  • Pelvic floor: a group of muscles that form the base of your core and support the bladder, uterus (in females), and bowel

These muscles must work together to create a strong foundation for movement. Training them requires slow, deliberate exercises that focus on control and proper engagement, not speed or intensity.

Benefits Of Deep Core Exercises

Benefits Of Deep Core Exercises
There are many benefits to doing deep core exercises. Photo: prostooleh/Freepik

Improved Core Strength And Stability

Deep core exercises build strength from the inside out. They activate key stabilizing muscles like the transverse abdominis and pelvic floor, which support your spine and maintain alignment during movement.

A stronger deep core leads to better control, improved balance, and more efficient movement. This translates to better posture, reduced fatigue, and fewer injuries during daily tasks or workouts.

Some compound ab exercises naturally target these deeper muscles, especially when performed slowly and with focused engagement.

The result is a core that doesn’t just look strong—it functions better in everything you do.

Reduced Risk Of Back Pain

A strong core supports your spine and stabilizes your lower back. Deep core exercises target the muscles that protect and align the lumbar spine, reducing pressure and improving posture.

Engaging in core and abs workouts can help alleviate stress on the lumbar region, lowering the risk of strain or chronic pain. Proper core engagement promotes better movement patterns and long-term spinal health.

Better Posture And Body Alignment

Deep core and pelvic floor exercises support better posture by strengthening the muscles that stabilize your spine and pelvis. When these muscles are engaged, it becomes easier to maintain proper alignment from head to toe during movement.

Many functional core exercises are designed to reinforce this alignment through controlled, full-body movements that mimic daily tasks.

Improved posture reduces strain on your back, boosts confidence, and enhances how your body moves as a whole.

Tips To Avoid Injury

  • Rest between workout sessions, especially after intense core training. It’s possible to exercise too much, which can stall progress or lead to overuse injuries.
  • Focus on proper form and alignment during every movement.
  • Start with low reps and increase intensity gradually as your strength improves.
  • Always warm up before training to prepare your muscles and joints.
  • Engage your core muscles throughout each exercise to maintain stability and control.
  • Fuel your body with the right nutrients to support energy and recovery.
  • Listen to your body and avoid pushing through pain—especially if you’re new to core training.
  • If needed, work with a corrective exercise specialist for personalized guidance.

Conclusion

Deep core exercises are a powerful addition to any fitness routine. They strengthen the muscles that support your spine, improve posture, and help reduce the risk of back pain and injury. By targeting your inner core, these movements build real stability that carries over into everyday life and athletic performance.

Strength training also helps to improve body composition, blood pressure, and overall metabolic health. Incorporating deep core exercises into your regular workouts can enhance results in fat loss, muscle development, and functional strength.

For best results, focus on proper form and give your body time to recover. Aim to practice deep core exercises three to four times per week, and pair them with a balanced diet and regular cardio. Consistency is key to seeing real improvements in core strength and total-body function.

Frequently Asked Questions

What is the best deep core exercise?

The best deep core exercises include the dead bug, bird dog, and plank. These moves target the transverse abdominis and improve spinal stability.

How to activate the deep core?

To activate the deep core, draw your belly button gently toward your spine while keeping your ribcage relaxed. Breathe deeply and maintain this engagement during movement.

Will deep core exercises help a saggy belly?

Yes, deep core exercises help improve a saggy belly by strengthening inner abdominal muscles. For visible results, combine them with fat loss through diet and cardio.

How often should you do deep core exercises?

Do deep core exercises two to three times per week. Rest at least one day between sessions to allow recovery and avoid overtraining.

Do planks work deep core?

Yes, planks work the deep core by engaging the transverse abdominis, multifidus, and pelvic floor. They are a form of resistance training that builds core stability and helps prevent injuries.

Resources

Endomondo.com refrains from utilizing tertiary references. We uphold stringent sourcing criteria and depend on peer-reviewed studies and academic research conducted by medical associations and institutions. For more detailed insights, you can explore further by reading our editorial process.

  1. Ihalainen, J.K., Inglis, A., Tuomas Mäkinen, Newton, R.U., Heikki Kainulainen, Heikki Kyröläinen and Walker, S. (2019). Strength Training Improves Metabolic Health Markers in Older Individual Regardless of Training Frequency. Frontiers in Physiology, [online] 10. doi:https://doi.org/10.3389/fphys.2019.00032.
  2. Chang, W., Lin, H. and Lai, P.-T. (2015). Core strength training for patients with chronic low back pain. Journal of Physical Therapy Science, [online] 27(3), pp.619–622. doi:https://doi.org/10.1589/jpts.27.619.
  3. Kim, D.-J., Cho, M., Park, Y. and Young Il Yang (2015). Effect of an exercise program for posture correction on musculoskeletal pain. Journal of Physical Therapy Science, [online] 27(6), pp.1791–1794. doi:https://doi.org/10.1589/jpts.27.1791.
  4. Medlineplus.gov. (2023). Are you getting too much exercise?: MedlinePlus Medical Encyclopedia. [online] Available at: https://medlineplus.gov/ency/patientinstructions/000807.htm.
  5. Park, H.-K., Jung, M.-K., Park, E., Lee, C.-Y., Jee, Y.-S., Eun, D., Cha, J.-Y. and Yoo, J. (2018). The effect of warm-ups with stretching on the isokinetic moments of collegiate men. Journal of exercise rehabilitation, [online] 14(1), pp.78–82. doi:https://doi.org/10.12965/jer.1835210.605.
  6. Ihalainen, J.K., Inglis, A., Tuomas Mäkinen, Newton, R.U., Heikki Kainulainen, Heikki Kyröläinen and Walker, S. (2019). Strength Training Improves Metabolic Health Markers in Older Individual Regardless of Training Frequency. Frontiers in Physiology, [online] 10. doi:https://doi.org/10.3389/fphys.2019.00032.
  7. Fernandes, J., Lamb, K.L. and Twist, C. (2019). Exercise-Induced Muscle Damage and Recovery in Young and Middle-Aged Males with Different Resistance Training Experience. Sports, [online] 7(6), pp.132–132. doi:https://doi.org/10.3390/sports7060132.

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