Condition · Thoracic spine
Kyphosis
Kyphosis is an excessive forward curve of the upper back. In adults it most often develops gradually — from disc wear, small compression fractures, or posture — and it is judged by balance and symptoms, not by appearance alone.
What kyphosis is
The thoracic spine — the ribbed middle of the back — is supposed to curve forward. That gentle rounding, normally 20 to 45 degrees, makes room for the chest and balances the inward curves of the neck and lower back. Kyphosis is that same curve carried too far: the upper back rounds into a hump, the shoulders roll forward, and the head drifts ahead of the pelvis it should stack above. It is best understood in the sagittal plane, the body's forward-and-backward balance plane — the sideways plane is where scoliosis lives, and the two are different problems with different mechanics. In adults, kyphosis is rarely one event. It is usually an accumulation: discs that have lost height unevenly, vertebrae wedged by small fractures, muscles that can no longer hold the trunk up against the drift. Naming which of those is driving a particular spine is the whole diagnostic exercise, because each is treated differently.
Symptoms
Many adults with visible rounding feel nothing at all, and the curve is a finding, not a complaint. When symptoms come, they are usually mechanical: an ache across the upper back that builds through the day, and fatigue — the deep tiredness of extensor muscles spending every upright hour pulling a forward-pitched trunk back toward balance. Height loss is common, sometimes an inch or more across the years. Stiffness settles in. In more advanced curves the compensation shows: knees slightly bent to stand, difficulty looking straight ahead, a shrinking walking distance. Pressure on the spinal cord is uncommon in ordinary degenerative kyphosis, but when it occurs it announces itself differently — unsteady walking, clumsy legs, weakness — and those symptoms change the conversation entirely.
Diagnosis
Diagnosis is measurement. Standing X-rays of the full spine, taken from front and side, let the curve be drawn and numbered — the Cobb angle between the most tilted vertebrae of the curve — and, more important in adults, let balance be judged: how far the head sits ahead of the pelvis on the side view. The examination tests how much of the curve is flexible and how much is fixed structure, checks the strength of the muscles that hold you upright, and screens for cord involvement. Bone density testing joins the workup when fractures are part of the picture. MRI is reserved for neurologic symptoms or surgical planning. The output of all this is not just a number of degrees; it is a driver — discs, fractures, posture, or an old adolescent curve — with a name.
What your first visit covers
A first visit for adult kyphosis is an accounting. Your standing films are reviewed with you so you can see the angle and the balance for yourself. The likely driver is identified, your bone health and fracture history are weighed, and your walking, strength, and cord function are examined. Most patients leave with a conservative plan and a measuring schedule — a date to re-image and compare — rather than a surgical one. You will also hear, plainly, what would have to change for the conversation to turn toward correction, so the follow-up has a purpose beyond watching.
Treatment options
Conservative care is the foundation, and for most adults it is the whole treatment. Physical therapy centers on the back extensors — the muscles that hold the trunk upright — together with postural training and hip mobility, because endurance in those muscles is what the day demands. Bone health is treated as part of the spine problem, not a separate one: when weakened bone is fracturing quietly, addressing it protects the curve better than any exercise. Pain is managed around the edges of that work; if an injection is considered for a specific painful joint, it is performed by an interventional pain specialist, and you may be referred as part of a comprehensive care plan. Bracing, so useful in growing spines, has little to offer adults beyond short-term support after a fresh fracture. What conservative care promises honestly is strength, endurance, and slower progression — not straightening.
When surgery is considered
Surgery is reserved for the few: a deformity still progressing despite a real conservative trial, imbalance pain that has taken over daily life, or pressure on the spinal cord. Correction means fusing the curved segments, frequently with osteotomies — deliberate cuts that restore alignment bone and disc no longer permit. It is among the largest operations in spine surgery, with a recovery to match, and that scale is exactly why the threshold sits where it does. The patients it serves are chosen carefully, and the goal discussed is balance — never a cosmetically straight back.
When a second opinion can help
Deformity surgery is consequential enough that a second read is reasonable whenever correction has been proposed — particularly a long fusion or an osteotomy — to confirm the indication and the scale of what is planned. It is equally reasonable at the other extreme, when significant imbalance or cord symptoms have been met with "nothing can be done." Between those poles, most adult kyphosis needs neither operation nor drama: it needs measurement, muscle, bone care, and time — with someone keeping honest track of the numbers.
When to seek care promptly
Seek prompt evaluation for new leg weakness, a gait that is becoming unsteady, or any bowel or bladder change — the signs of spinal cord pressure, which convert a chronic deformity into an urgent problem. Sudden, severe back pain after a minor strain or an unremarkable lift, in someone with known weak bone, deserves timely assessment as well: a fresh compression fracture is easier to help early than late.
Frequently asked questions
What is kyphosis?
Kyphosis is an excessive forward curve of the spine, usually in the thoracic region — the upper and middle back. A healthy thoracic spine already curves gently forward, typically 20 to 45 degrees. Kyphosis is the curve carried beyond that range, rounding the back, dropping the shoulders forward, and shifting the head ahead of the pelvis. It is a description of alignment, not a single disease: several different problems can produce it, and the treatment follows whichever one is at work.
What causes kyphosis in adults?
In adults the commonest driver is slow degenerative change — discs losing height at the front, facet joints wearing, and the spine settling into its rounding a little more each year. Compression fractures from weakened bone can wedge vertebrae forward suddenly, sometimes one quiet fracture at a time. Posture and deconditioned back muscles add their share. A smaller group of adults carry Scheuermann's kyphosis, a stiffer curve that formed during the teenage growth years and persisted; in adults it is background and history, and the care is adult care.
Is a rounded upper back always a problem?
No. Mild rounding is extremely common with age, and much of it never causes pain or needs anything beyond attention to strength and posture. The curve earns concern when it keeps progressing, when standing and walking become fatiguing work, when pain localizes to the deformity, or — uncommonly — when the spinal cord is affected. The number on an X-ray alone does not decide; two people with the same measurement can need entirely different plans. Symptoms, progression, and balance are what turn a curve into a condition.
How is kyphosis measured?
Measurement starts with standing X-rays of the whole spine taken from the side. The kyphosis angle is drawn between the most tilted vertebrae at the top and bottom of the curve — the Cobb method — but in adults the more telling number is sagittal balance: how far the head and trunk sit in front of the pelvis they should stack over. The examination adds flexibility (how much of the curve straightens when you lie down or arch back), strength, and a screen for cord involvement. MRI joins when nerves or the cord are in question or surgery is being planned.
Can kyphosis get worse as I age?
It can, and the mechanics explain why: a spine pitched forward loads the front of its discs and vertebrae harder, which wears them faster, which deepens the pitch. Fractures accelerate the cycle. Progression is usually slow — degrees over years, not weeks — and it is not inevitable; strong extensor muscles, healthy bone, and treated fractures all brake it. That slow tempo is the argument for periodic measurement rather than either alarm or neglect: a curve documented as stable can be left in peace, and one on the move declares itself.
Can exercise or posture work help kyphosis?
Yes — within honest limits. Physical therapy built around back-extensor strengthening, postural training, and hip mobility is the mainstay of conservative care: it improves endurance, reduces the fatigue pain of holding yourself upright, and slows the muscular side of progression. What exercise cannot do is un-wedge a fractured vertebra or restore height to a collapsed disc, so a structural adult curve will not straighten in the gym. The realistic goal is a stronger, better-balanced patient carrying the same curve — which, for most adults, is the outcome that matters.
Does kyphosis need surgery?
Most adult kyphosis never does. Surgery enters the discussion for a short list of reasons: a deformity that keeps progressing despite good conservative care, pain from the imbalance that has disabled daily life, or pressure on the spinal cord. Those are high bars, deliberately — correcting a rigid adult curve is among the larger operations in spine surgery, and the conservative alternatives deserve a genuine trial first. When none of those reasons apply, the right operation is the one not performed, and monitoring becomes the plan.
What surgery treats severe kyphosis?
Correction typically means a fusion across the curved segments, often with osteotomies — controlled cuts through bone that let the surgeon restore alignment the discs no longer allow. The goal is balance, not a perfectly straight spine: head over pelvis, eyes level, load shared the way the body expects. It is major surgery with a long recovery, offered to a small, carefully chosen group of patients whose deformity is progressive, disabling, or threatening the cord. Bone health is optimized beforehand, because the correction is only as durable as the bone holding it.
Can kyphosis affect balance or breathing?
In advanced curves, yes. A trunk pitched far forward forces constant muscular effort to keep from falling further, and many patients unconsciously bend their knees or tilt their pelvis to compensate — walking distance shrinks as the effort adds up. Breathing is affected only in severe thoracic deformity, where the rounded chest wall leaves the lungs less room to expand. These are late features of large curves, not the usual experience of adult kyphosis, but they are part of why significant progression is measured and followed rather than shrugged off.
Related care
Vertebral compression fracture · Scoliosis · Spinal osteotomies · Degenerative disc disease · Second opinions
From Back Talk
Related reading: Kyphoplasty for Vertebral Fracture
Care pathway
Spinal osteotomiesComputer-assisted navigationDr. Jihoon ChoiRockwall · Garland · Forney · Greenville
Initial consultation or second opinion?
Meet Dr. Jihoon Choi to have your curve measured, its driver identified, and your options laid out in order — strength and bone care first, correction only if it earns its place. Call (972) 817-7450 or request a visit online.