A lumbar curve — scoliosis centred in the lower back — behaves differently from a curve higher up. There’s no rib cage to splint it, so the load of every step, every lift and every hour of sitting passes through the asymmetric segments of the low back, and the pelvis often tilts or rotates to compensate. That’s why lumbar scoliosis so often arrives with one-sided low back pain, a hip that feels “higher”, or a leg that seems slightly shorter. The good news is that the lower back responds beautifully to the right strengthening work. This guide covers the lower back exercises for scoliosis I use most, why they suit a lumbar curve specifically, and what to leave out. For the general picture across all curve types, start with the hub guide to exercises for scoliosis.
Key takeaway: Lower back exercises for scoliosis should lengthen the lumbar spine, build deep-core and glute support, and strengthen the convex side of the curve — all without loaded twisting or heavy extension. Glute bridges, bird-dog, side-lying hip work, hip-flexor release and supported elongation form the core routine. Exercise manages a lumbar curve and reduces pain; it does not straighten it.
The best lower back exercises for scoliosis strengthen the lumbar spine without compressing it. Start with supine axial elongation and knees-to-chest to decompress, then build support with glute bridges, bird-dog, dead bug and side-lying hip abduction biased toward the convex side of your curve. Add hip-flexor release and a gentle prone extension with the pelvis anchored. Avoid sit-ups, loaded twisting and deep repetitive backbends, which load the lumbar segments unevenly. Sophie Mercer, PMA-certified clinical Pilates instructor, designed a 10-week Scoliosis Management protocol of 36 exercises that build balanced strength and control around an asymmetric spine.
Why lumbar scoliosis needs its own approach
With a thoracic curve, the ribs provide a degree of passive stability. The lumbar spine has no such help — its five large vertebrae rely on the deep core, the glutes and the hip muscles to stay well aligned under load. In a lumbar curve, the muscles on the concave side are shortened and often in spasm, the convex-side muscles are lengthened and weak, and the pelvis frequently sits uneven. Two consequences follow. First, generic “back strengthening” (think repeated back extensions) tends to hammer the already-overworked concave side. Second, the hips matter far more than people expect: a tight hip flexor or weak glute on one side will pull the pelvis, and the pelvis drags the lumbar spine with it.
How to strengthen your lower back if you have scoliosis
Work through these in order; the first two decompress, the rest build support.
- Supine axial elongation — Lie on your back, knees bent. Reach the crown of the head away from the tailbone and let the lower back settle toward the mat without forcing it flat. 5 breaths, 5 repeats. Feel: length through the low back. Avoid: a hard pelvic tuck.
- Knees-to-chest with a side bias — Hug both knees in, then gently draw them a few centimetres toward the convex side of your curve so the concave side lengthens. 5-8 breaths. Feel: release along the tight side of the waist. Avoid: pulling hard on the knees if they’re sensitive — hold behind the thighs.
- Glute bridge — Feet hip-width, exhale and peel the pelvis up one segment at a time until the hips are level with the knees, then lower slowly. 10-12 reps, 2 sets. Feel: glutes and hamstrings doing the lifting; the lower back should feel long, not pinched. Avoid: pushing so high that the ribs flare.
- Bird-dog — On hands and knees, extend the opposite arm and leg while keeping the pelvis perfectly level — imagine balancing a cup of tea on your sacrum. Hold 3-5 seconds, 8 each side. Feel: the deep back muscles and abdominals co-contracting. Avoid: any rotation of the pelvis; a smaller reach is better than a wobbly one.
- Dead bug — On your back, arms up, knees over hips. Exhale and lower one arm and the opposite leg toward the floor, keeping the lower back quiet. 8-10 each side. Feel: the lower abdominals anchoring the pelvis. Avoid: the back arching — shorten the range if it does.
- Side-lying hip abduction (convex side up) — Lie on the concave side, body in one long line. Lift the top leg slowly, heel leading, and lower. 10-12 reps; 6-8 on the other side. Feel: the outer hip and the waist muscles of the top side. Avoid: the hip rolling backward.
- Prone extension with the pelvis anchored — Lie face down, forehead on your hands. Press the pubic bone gently into the mat, then lift the head and chest only a few centimetres, lengthening forward rather than up. Hold 3 breaths, 6 reps. Feel: the mid-back extensors, not a pinch in the low back. Avoid: lifting high — this is a small, long movement.
- Half-kneeling hip-flexor release — Kneel on one knee, the other foot forward. Tuck the pelvis slightly and shift forward until you feel the front of the kneeling hip. 30-45 seconds each side, longer on the tighter side. Feel: a stretch across the front of the hip. Avoid: arching the low back to chase the stretch.
How to decompress the lumbar spine with scoliosis
People with a lumbar curve often search for “decompression” because the low back feels compressed by evening. Hanging from a bar or inversion tables give a temporary sense of space but the moment you stand up the deep core has to hold it — and if it can’t, you’re back where you started. Active decompression works better: the elongation and knees-to-chest above, a supported child’s pose with the hands walked toward the convex side, and a few minutes of breathing with the legs resting on a chair. Then follow it with the strengthening work so the space you’ve created is supported. Gentle lengthening is also covered in stretching exercises for scoliosis.
What exercises should I not do with lumbar scoliosis?
The lumbar spine tolerates compression and twisting worst of all, so these are the movements I ask clients to modify or drop:
- Sit-ups and crunches — they flex and compress the lumbar segments repeatedly; see scoliosis core exercises for what to do instead
- Loaded rotation — Russian twists, cable woodchops and weighted twists load the asymmetric segments unevenly
- Deep, repetitive backbends — high-repetition back extensions or “superman” holds tend to overwork the concave side
- Heavy unilateral lifts you haven’t built up to — single-leg deadlifts and heavy lunges are fine later, not at the start
- High-impact activity during a flare
The wider list and the reasoning behind it is in scoliosis exercises to avoid.
Red flags: numbness, tingling or weakness in one or both legs, pain that travels below the knee, any change in bladder or bowel control, or night pain that doesn’t ease with position — stop and see a doctor promptly. These need assessment before any exercise programme.
How the Scoliosis Management protocol helps
Sophie’s 10-Week Scoliosis Management Program treats the lower back and the hips as one system — which is exactly what a lumbar curve needs. Across 36 exercises it progresses from decompression and deep-core activation to glute and hip strength, side-biased work for the convex side, and controlled extension, with guidance on how to adapt each exercise to your curve direction. If your lumbar scoliosis comes with more general low back pain, the 8-Week Lower Back Pain Program is a gentler entry point, and the mild scoliosis guide covers what to do if your curve is still small.
This article is for informational purposes only and does not constitute medical advice. Scoliosis varies greatly between individuals; please have your specific curve assessed by a doctor, physiotherapist, or scoliosis specialist before starting or changing an exercise programme — especially if your curve is significant, painful, or still progressing.