How is this different from a crunch?

Unlike a crunch which involves spinal flexion, abdominal stabilization focuses on resisting movement to protect the spine and build deep internal tension.

Should my back be flat against the floor?

Aim for a neutral spine where there is a very slight, natural space under the low back, though beginners may find it easier to keep the back flat to ensure engagement.

How long should I hold the contraction?

Focus on the quality of the movement rather than time; usually three to five seconds of hold per leg lift is sufficient for building control.

Abdominal Stabilization Guide: Build a Stronger Core

Master abdominal stabilization with our step-by-step guide. Learn to engage your deep core muscles for improved posture and spinal health.

How to Perform

Lie flat on your back on the mat with your knees bent and feet flat on the floor.
Place your arms by your sides and find a neutral spine position where your lower back is neither arched nor pressed forcefully into the floor.
Inhale deeply into your diaphragm, then exhale while drawing your navel toward your spine to engage the deep core muscles.
Maintain this tension while lifting one foot an inch off the ground without allowing your pelvis to tilt or rotate.
Lower your foot slowly back to the floor and repeat the movement with the opposite leg while keeping your torso perfectly still.
Focus on breathe control throughout the entire set, ensuring your ribcage stays down and your midsection remains firm.

Common Mistakes

Arching the lower back away from the mat
Holding your breath instead of using controlled diaphragmatic breathing
Allowing the hips to rock side to side during leg movements
Excessive tension in the neck and shoulders

Muscles Worked

Primary movers

Stabilizers

Lower Back
Obliques
Transverse Abdominis

Related Guides

3008 Abdominal Crunch — Core
Ab Roller — Core
Ab wheel — Core

Abs · Core