Simple Home Workout Editorial Team

This is a complete Pilates core session structured as a workout — warm-up, eight exercises with specific form cues, and cool-down. It takes about 30 minutes if you follow the rest periods.

You need a mat. The session is suitable for beginners comfortable lying on the floor and for intermediate exercisers who want a focused core session. No Pilates background required.

The Key Concept: What Pilates Actually Targets

Most ab exercises — crunches, sit-ups, leg raises — work the rectus abdominis, the outermost abdominal layer. Pilates targets the transverse abdominis (deep inner abs), multifidus (deep spinal stabilizers), and pelvic floor. These muscles stabilize the spine before movement happens, which is why Pilates produces a different quality of core strength than conventional ab training.

Before each exercise, practice this: exhale and gently draw your lower belly in and up — about 30% effort, not a hard vacuum. This activates the transverse abdominis. Hold this engagement throughout each movement.

Warm-Up (5 Minutes)

Cat-cow — 10 reps. On hands and knees. Inhale, drop the belly and lift the chest (cow). Exhale, round the spine toward the ceiling (cat). Move slowly through each vertebra.

Pelvic tilt — 10 reps. Lie on your back, knees bent. Exhale and press your lower back gently into the mat, then inhale and release to neutral. This small movement teaches you what neutral spine feels like.

Child’s pose with reach — 30 seconds. Sit back onto heels, reach arms forward on the mat. Breathe into your lower back.

The Eight Exercises

1. The Hundred

Targets deep core, hip flexors, and breathing coordination.
Lie on your back. Curl head and shoulders up. Extend legs to 45 degrees — raise them higher if your lower back arches off the mat. Arms reach long beside your hips, pump them vigorously up and down. Inhale for 5 pumps, exhale for 5. Complete 100 pumps total.
Form cue: The back staying flat is the priority. Raise legs to 60 or 70 degrees if needed to maintain it.

2. Roll-Up

Targets abdominal flexors and spinal mobility.
Lie flat, arms overhead. Inhale. Exhale and peel your spine off the mat slowly — each vertebra lifts separately, not all at once. Reach toward your feet. Inhale at the top. Exhale to lower back down the same way. 8 reps.
Form cue: This is not a sit-up. If you can’t roll up with control, start with hands behind your knees and assist yourself.

3. Single Leg Stretch

Targets deep abs, hip flexors, coordination.
Curl head and shoulders up. Pull one knee toward your chest, extend the other leg at 45 degrees. One hand on your ankle, one on your knee. Alternate with a rhythmic pull. 10 reps per side.
Form cue: Lower back stays pressed into the mat. If it’s arching, raise the extended leg higher.

4. Double Leg Stretch

Targets core stability and coordination.
Both knees pulled to chest. Curl head and shoulders up. Inhale and extend both arms overhead and both legs to 45 degrees simultaneously. Exhale and circle arms back to hug knees in. 8 reps.
Form cue: The moment you extend is the moment the core must work hardest. Don’t relax it as you reach out.

5. Criss-Cross

Targets obliques and rotational core stability.
Hands behind head. Curl up. Rotate your right shoulder toward your left knee while extending your right leg. Switch sides. 10 reps per side.
Form cue: Rotate from the ribcage, not just the elbow. Think about bringing your armpit toward the opposite knee.

6. Spine Stretch Forward

Targets spinal mobility and hamstring flexibility.
Sit tall with legs extended hip-width apart. Exhale and round your spine forward while keeping your hips grounded. Inhale to sit back up. 8 reps.
Form cue: You’re actively flexing your spine and pulling your belly back toward your spine as you reach forward — not just flopping over.

7. Swan Prep

Targets spinal extensors and rear shoulders — a necessary counterbalance to all the forward flexion above.
Lie face down, hands under shoulders. Inhale. Exhale and press through your hands to lift your chest — elbows remain bent, forearms stay on the mat. Hold 2 seconds, lower. 8 reps.
Form cue: Lead with your sternum, not your chin. Shoulders stay away from your ears.

8. Bird Dog

Targets the multifidus (deep spinal stabilizers) and glutes.
On all fours, hands under shoulders, knees under hips, spine neutral. Exhale and extend your right arm forward while extending your left leg back simultaneously. Hold 3 seconds, return with control. Alternate sides. 10 per side.
Form cue: Keep your hips level — no rotation. A common error is letting the lifted-leg hip drop or rise.

Cool-Down (5 Minutes)

• Lying knee-to-chest hug: 30 seconds per side
• Happy baby pose: 30 seconds
• Savasana, breathing slowly: 2 minutes

How Often to Do This Session

Two to three times per week with at least one rest day between. Pilates core work is recovery-friendly — it doesn’t create the muscle damage that heavy lifting does — but the nervous system benefits from rest between sessions to consolidate movement patterns. It pairs well as a finisher to other workouts or as a standalone active recovery session.

Most ab workouts — crunches, sit-ups, leg raises — train the rectus abdominis, the outermost abdominal muscle. This is the muscle visible as a “six pack.” Pilates targets something different: the transverse abdominis (the deep inner abs), the multifidus (deep spinal stabilizers), and the pelvic floor. These muscles stabilize the spine before movement happens — they’re why a strong core actually prevents back pain and improves athletic performance.

This article explains what those muscles do, why they matter, and gives you five exercises that specifically target them, with the form cues that make the difference between going through the motions and actually training the right muscles.

The Core Muscles Most Workouts Miss

Transverse abdominis (TVA)
The deepest abdominal layer. Wraps around your torso like a corset. Activates before any limb movement to brace the spine — it fires in anticipation of load, not in reaction to it. When it’s weak, larger muscles compensate, creating a less stable, more injury-prone pattern.

Multifidus
Small muscles running alongside each vertebra. Provide intersegmental stability — they control how individual vertebrae move relative to each other. People with chronic lower back pain consistently show reduced multifidus size and activation on the affected side. Pilates and bird-dog exercises are the primary tools rehabilitation specialists use to retrain them.

Pelvic floor
The base of the core. Works with the TVA, multifidus, and diaphragm to maintain intra-abdominal pressure. Affects bladder control, hip stability, and core force transfer.

What Pilates Does Differently

Pilates exercises require you to maintain a stable spine and pelvis while moving your limbs. This forces the deep stabilizers to work continuously — not just at the peak of a movement. Add breath control (exhale on exertion, inhale to prepare) and you’re also coordinating the diaphragm with the rest of the system. It’s more neurologically demanding than a crunch, which is why people who’ve done years of ab work often find Pilates unexpectedly difficult.

5 Exercises That Target Deep Core Muscles

1. Dead Bug

Primary muscles: transverse abdominis, multifidus
Lie on your back. Arms toward ceiling, knees at 90 degrees above hips (tabletop). Press your lower back firmly into the mat — this is critical and must be maintained throughout. Exhale and slowly extend your right arm overhead while simultaneously extending your left leg. Keep the back pressed down. Return and switch sides.
Why it targets deep core: Maintaining a stable spine while extending opposite limbs is exactly the anti-extension, anti-rotation demand that forces TVA and multifidus activation.
Reps: 3 sets of 8 per side

2. Heel Slide

Primary muscles: transverse abdominis, lower abdominals
Lie on your back, knees bent, feet flat, lower back pressing gently into the mat. Exhale and slowly slide one heel along the floor, fully straightening that leg, while keeping the lower back from arching. Slide it back. Alternate sides.
Why it targets deep core: One of the most direct TVA exercises available. The slow limb movement while holding a pressed lower back isolates the deep core with minimal rectus abdominis involvement.
Reps: 3 sets of 10 per side

3. The Hundred

Primary muscles: TVA, hip flexors, breathing coordination
Lie on your back. Curl head and shoulders up. Extend legs to 45 degrees (raise them higher if your back arches). Arms reach long at hip height, pump up and down vigorously. Inhale 5 pumps, exhale 5 pumps. 10 breath cycles equals 100 pumps.
Why it targets deep core: The combination of limb extension load and forced breathing pattern coordinates the full deep core system in a way static exercises don’t.
Reps: Start with 30 pumps, build to full 100

4. Single-Leg Circle

Primary muscles: TVA, hip stabilizers
Lie on your back. Extend one leg toward the ceiling. Draw small circles with the extended leg — crossing center, down, around, and back up. Keep the pelvis completely still. 5 circles each direction per leg.
Why it targets deep core: Any weakness in the deep stabilizers shows immediately as a rocking or shifting pelvis. The exercise gives you real-time feedback on your stability.
Reps: 3 sets of 5 circles each direction per leg

5. Bird Dog

Primary muscles: multifidus, TVA, glutes
On all fours. Hands under shoulders, knees under hips, spine neutral. Extend your right arm forward and left leg back simultaneously. Hold 3 seconds. Return with control, switch sides. Keep hips level — no rotation.
Why it targets deep core: The anti-rotation demand specifically activates the multifidus. This is why it appears in nearly every physical therapy protocol for lower back rehabilitation.
Reps: 3 sets of 10 per side

Adding These to Your Routine

These five exercises work well as a 15-minute standalone routine or as a core finisher after any other workout. Do them 2 to 3 times per week. Unlike high-intensity ab circuits, they don’t require significant recovery time — the deep stabilizers respond well to frequent, controlled practice at moderate effort.