Diastasis recti — the separation of the abdominal muscles along the midline — affects many postpartum women and some men. Generic crunches and sit-ups often make the separation worse, so precision matters.
The exercises below follow the standard clinical progression used by physical therapists, starting with gentle contractions and advancing only when your core is ready. Many women also find a supportive belly band helps during recovery by providing compression and reminding you to engage your core throughout the day.
How Deep Core Training Rebuilds Stability
The transverse abdominis acts like a natural corset around your torso. When it weakens after pregnancy, the rectus abdominis muscles drift apart and the connective tissue between them stretches. Training this deep muscle does not pull the separated muscles back together — nothing short of surgery can close the physical gap — but it pulls the abdominal contents inward, reducing the bulge, and restores tension across the midline, eliminating the “coning” or “doming” that happens when you sit up from lying down.
The basic movement is simple: draw your belly button toward your spine while breathing steadily. Hold the contraction for 3 to 5 seconds initially, working up to 10 seconds, and practice it 10 times in a row, 3 to 4 times per day. Perform this in lying, side-lying, all-fours, kneeling, or standing positions as you improve.
The Rehabilitation Exercise Sequence
The standard protocol progresses through six stages. Move to the next exercise only if your abdomen stays completely flat — no bulging or doming at any point during the movement.
| Step | Exercise | Key Technique & Dose |
|---|---|---|
| 1 | Supine Head Lift | Towel crisscrossed around waist; exhale and pull towel outward while lifting head and shoulders. 10–15 reps per set, 2 sets daily. |
| 2 | Wall Push-Up | Stand arm’s length from wall. Inhale leaning in, exhale pushing away while drawing belly to spine. 20 reps. |
| 3 | Bridge Pose | Exhale, tilt pelvis, lift hips into a straight incline. Squeeze core throughout. Hold 3–5 slow breaths. |
| 4 | Rear Pulse | Rock back on heels with tailbone tucked. Pulse backward while hollowing the low belly. 20–30 pulses. |
| 5 | Bird-Dog | From all-fours, lift opposite arm and leg while keeping the core engaged and spine neutral. 5–8 reps per side. |
| 6 | Kettlebell Walk | Walk across the room holding a kettlebell, resisting any bending out of spinal alignment. Switch hands at the other side. |
Once you can perform all six steps without doming, you can safely progress to bicycles and planks. The Hospital for Special Surgery notes that mastering the deep contraction before advancing is essential to avoid reinforcing the separation.
Safety Rules and Common Mistakes
The single most important rule is to stop any exercise that causes your abdomen to dome or bulge outward — your core is not ready for that movement. Drop back to an earlier step and practice there until the movement feels stable and flat.
Common errors include holding your breath during contractions (you must maintain steady breathing), over-bracing instead of using a gentle deep activation, and sitting forward out of bed rather than rolling to your side first. That sit-up motion strains the already-stretched connective tissue every time. Roll to your side before sitting up, without exception.
Avoid traditional sit-ups, crunches, and heavy lifting until you can execute the deep contraction reliably without doming. Cleveland Clinic guidelines emphasize that if coning occurs during any exercise, the muscle is not yet strong enough — stop and regress.
FAQs
Can diastasis recti heal on its own?
Mild separation often resolves within the first 8 weeks postpartum as the body naturally recovers. Moderate to severe cases typically require dedicated exercise or physical therapy to restore functional stability. Surgery is rarely the first option and is considered only after conservative approaches have been fully attempted.
When should I start postpartum exercise?
You can begin gentle deep-core work as soon as you feel able after delivery, even within the first week. The supine head lift with towel support is safe to start early. Always check with your healthcare provider before beginning any postpartum program.
What makes diastasis recti worse?
Traditional sit-ups, crunches, heavy lifting without proper bracing, and sitting straight up from lying down all increase pressure on the midline and can widen the separation. The safest daily habit is to roll onto your side before sitting up from any reclining position.
References and Sources
- Hospital for Special Surgery. “Diastasis Recti: Exercise and Recovery Guide.” Details the progressive exercise protocol and doming warning signs.
- Cleveland Clinic. “Diastasis Recti: Symptoms, Causes, and Treatment.” Outlines safety rules and contraindicated exercises.
- Harvard Health Publishing. “Battle of the Bulge: Diastasis Recti.” Covers the difference between closing the gap and restoring function.