Can a Hunchback Be Fixed? Causes and Treatment Options

Most forms of excessive spinal curvature, commonly called a hunchback, can be meaningfully improved with treatment, and some can be fully corrected. The medical term is hyperkyphosis, referring to an exaggerated forward rounding of the upper back beyond what is considered normal. How much correction is possible depends almost entirely on what is causing the curve: a postural slouch responds differently from a structural deformity shaped by bone disease or a congenital vertebral anomaly. The good news is that treatment options span a wide range, from targeted exercises that can reduce curvature by several degrees to surgical procedures that can cut severe curves roughly in half.

What Counts as Hyperkyphosis

Your thoracic spine, the segment between your neck and lower back, has a natural forward curve. Some curvature there is completely normal and healthy. The question is how much is too much. Researchers have proposed defining hyperkyphosis in older adults as a Cobb angle of 50 degrees or more when measured on a standing X-ray, though no universal cutoff has been formally established.¹ The Cobb angle is simply the measurement a radiologist takes from the top to the bottom of the thoracic curve on an X-ray. Below about 40 degrees is normal for most adults; above 50 is where problems tend to accumulate.

Newer imaging systems can measure this curve more precisely than traditional whole-spine X-rays. One study comparing a low-dose standing imaging system to conventional X-rays found that patients tended to stand more upright in the newer system, producing smaller measured angles for thoracic kyphosis.² This matters because the method of measurement can shift where you land relative to that 50-degree threshold. If you’re told you have hyperkyphosis, it’s worth knowing how and in what position the angle was measured.

The Main Causes

Not all hunchbacks are created equal. The underlying cause shapes both the severity and the treatment path. Here are the major categories:

• Postural kyphosis: The most common and most fixable form. Years of slouching, forward head posture, and weak back muscles let the upper spine gradually round forward. The bones themselves are normal; the problem is muscular imbalance and habit. Forward head posture leads to increased rounding of the thoracic spine as the body compensates, which in turn changes the balance of muscles around the neck and shoulders.³ Over time, these compensatory changes can narrow the spaces around spinal nerves and increase stress on the bones of the upper spine.⁴
• Scheuermann’s disease: A condition that develops during adolescence, where the growth cartilage of the vertebral endplates is weakened, likely by a combination of genetic susceptibility and repetitive loading. This causes several vertebrae to become wedge-shaped instead of rectangular, locking the spine into a fixed forward curve. X-rays typically show vertebral wedging, irregular endplates, and Schmorl’s nodes, which are small herniations of disc material into the bone.⁵
• Osteoporotic compression fractures: In older adults, weakened bones can collapse under normal body weight, causing one or more vertebrae to lose height on their front edge. Each fracture tilts the spine a few more degrees forward. This is the most common cause of a developing hunchback after age 60.
• Congenital kyphosis: Present from birth, caused by vertebral anomalies that form during fetal development. These can include hemivertebrae or incomplete vertebral bodies that result from failures in how the vertebral body forms in utero.⁶ Congenital kyphosis often requires early surgical intervention because it tends to worsen with growth.

Exercise and Physical Therapy

For postural kyphosis and mild to moderate age-related hyperkyphosis, exercise is the first-line treatment and often the only one needed. A meta-analysis pooling data from 24 studies found that exercise or physical therapy produced a moderate improvement in kyphosis, along with gains in back extensor muscle strength and endurance.⁷ The types of exercise that showed the most benefit were spinal extension exercises (think of movements that open the chest and pull the shoulders back) and yoga.⁸

A randomized trial specifically testing a spine-strengthening and posture-training program in older adults with hyperkyphosis found a roughly 3-degree greater reduction in Cobb angle in the exercise group compared to the control group.⁹ Three degrees might not sound dramatic, but it is roughly the same magnitude as the curvature increase caused by a new vertebral fracture, just in the right direction. The exercise group also reported better self-esteem.

Even more encouraging, follow-up data from a cohort study found that the benefits of a three-month kyphosis-specific exercise program appeared to last years afterward. At about three years post-intervention, kyphosis had not bounced back to baseline, suggesting the program may have prevented the typical age-related worsening of curvature.¹⁰ For older adults, simply preventing the curve from getting worse can be a meaningful win.

In elderly people who have already fallen because of balance problems related to their posture, corrective exercises have been shown to improve forward head position, kyphosis, balance, postural stability, and fear of falling.¹¹ The fear-of-falling improvement is particularly valuable because fear of falling often causes people to move less, which accelerates muscle loss and makes the problem worse.

One study also found that women who performed spinal extension exercises three times a week for a year had significantly less progression of their kyphosis compared to women who did not exercise.¹² The difference was large and statistically clear, reinforcing the idea that consistency matters more than intensity.

The Schroth Method

Among specialized exercise approaches, the Schroth method deserves its own mention. Originally developed for scoliosis, Schroth-based therapy uses three-dimensional corrective exercises and specific breathing techniques to realign the spine. It has been gaining traction as a treatment for kyphosis as well. A randomized controlled trial comparing Schroth therapy to standard anti-gravity exercises in patients with Scheuermann’s disease found that the Schroth group improved their thoracic kyphosis by about 9 degrees on average, compared to roughly 4 degrees in the control group.¹³

Another randomized trial in young adults with postural kyphosis found that eight weeks of Schroth-based exercises were more effective than standard postural corrective exercises in improving thoracic kyphosis angle, lumbar lordosis, and balance.¹⁴ When combined with a corrective brace, the results can be even more striking. A case study of an 11-year-old girl with a 71-degree kyphosis showed a reduction to 50 degrees in a brace and to 55 degrees one year after brace removal, along with measurable improvements in lung function.¹⁵ That said, single case studies prove possibility, not reliability. Still, the evidence across trials suggests Schroth exercises offer something beyond basic posture correction.

Bracing for Adolescents

For adolescents with Scheuermann’s disease, bracing combined with physiotherapy is considered the standard conservative treatment. A study using the Milwaukee brace reported that it halted kyphosis progression in about 97.5% of cases and could be used in curves up to 90 degrees, which is far more severe than many clinicians assumed was manageable without surgery.¹⁶ Newer brace designs, like the kyphologic brace, have achieved in-brace corrections comparable to those of the Milwaukee brace while being somewhat less conspicuous to wear.¹⁷

Bracing works best before skeletal maturity, when the spine is still growing and the bones can be gradually guided into a better shape. Once growth plates close, the window for meaningful correction through bracing narrows considerably. This is why early diagnosis of Scheuermann’s disease matters: a teenager caught at 14 with a moderate curve has more options than a 19-year-old with a rigid one.

When Surgery Becomes the Answer

Surgery is generally reserved for severe or rigid curves that cause pain, breathing problems, or neurological symptoms and have not responded to conservative treatment. For Scheuermann’s kyphosis, the most common procedure is posterior spinal fusion with osteotomies, where the surgeon removes small wedges of bone to allow the spine to be straightened, then fuses the vertebrae together with metal rods and screws. One series of 88 patients with severe Scheuermann’s kyphosis reported an average correction from about 95 degrees down to about 48 degrees.¹⁸ Another series reported similar results, reducing an average preoperative kyphosis of 86 degrees to 44 degrees, with only modest loss of correction over time.¹⁹

These are substantial corrections, but spinal fusion is a major operation. It permanently eliminates motion in the fused segment, carries the usual surgical risks, and requires a long recovery. It is not offered casually, and patients typically need to demonstrate that non-surgical approaches have been genuinely tried and have failed.

Minimally Invasive Procedures for Compression Fractures

When hyperkyphosis is driven by osteoporotic vertebral compression fractures, the treatment strategy shifts. The primary goals become pain relief, restoring some vertebral height, and preventing the curve from worsening. Two minimally invasive procedures target this: vertebroplasty and kyphoplasty. Both involve injecting bone cement into the fractured vertebral body through a small needle. In kyphoplasty, an inflatable balloon is first used to create a cavity and push the collapsed bone back toward its original height before the cement is injected.²⁰

A randomized trial comparing the two found that both were effective at reducing pain and improving the kyphotic angle, with kyphoplasty providing somewhat better height restoration. However, the clinical outcomes in terms of pain relief were similar, and the authors actually recommended vertebroplasty over kyphoplasty because the balloon procedure costs more without a clear clinical advantage.²¹ Research comparing unilateral versus bilateral approaches for these procedures found that a single-sided approach took less time, used less cement, required less radiation exposure, and produced equivalent outcomes in pain, function, and kyphosis correction.²²

For people whose kyphosis stems from osteoporosis, treating the underlying bone loss is also critical. Medications like risedronate and teriparatide have shown the ability to reduce the risk of vertebral fractures in people on glucocorticoids, which are a major risk factor for osteoporosis.²³ Preventing new fractures is, in effect, preventing the curve from getting worse.

Surgical Complications Worth Knowing About

Any honest discussion of surgical correction has to address proximal junctional kyphosis, or PJK, which has become one of the most recognized complications of spinal fusion for deformity. PJK occurs when the vertebra just above where the fusion ends develops a new, sharp forward angulation, essentially creating a new problem at the boundary of the old correction. A systematic review found that PJK occurs in anywhere from 5% to 46% of patients who undergo spinal fusion for deformity, with about two-thirds of cases appearing within the first three months after surgery.²⁴ That wide range reflects differences in how PJK is defined and which patients are studied, but even the low end is not trivial.

In its more severe form, called proximal junctional failure, the problem can include bone fracture at the junction, hardware failure, or even nerve damage, and it may require revision surgery to extend the fusion higher up the spine.²⁵ This does not mean surgery is a bad idea for people who need it, but it is a reason why surgeons are cautious about operating on moderate curves that could be managed conservatively.

What Happens If You Leave It Alone

Hyperkyphosis is not just a cosmetic concern. A slumped, kyphotic posture compresses the chest cavity and pushes the ribs closer to the pelvis, which makes it harder for the diaphragm to move freely. This leads to reduced lung capacity and more difficult breathing.²⁶ Data from the Framingham Study found that in women, lung function decline accelerated as kyphosis severity increased, with the most kyphotic group losing meaningfully more lung capacity over time than the least kyphotic group.²⁷ Interestingly, this trend was not statistically significant in men, a finding that remains somewhat unexplained.

Beyond breathing, untreated hyperkyphosis in older adults is associated with increased fall risk, reduced physical activity, chronic back pain, and difficulty with everyday tasks like reaching overhead or looking up at traffic lights. It tends to progress slowly on its own, meaning the curve you have at 65 is likely to be worse at 75 if nothing is done.

The Mental Health Side

One of the most underappreciated aspects of living with a visible spinal deformity is its psychological toll. A recent survey of people with Scheuermann’s kyphosis found that about 46% reported anxiety, 45% reported depression, roughly 10% reported PTSD symptoms, and 63% experienced social isolation. More than 72% felt misunderstood by people around them, and 65% had never received a mental health referral.²⁸ Depression in this group was correlated with chronic pain, and anxiety was correlated with social isolation, which makes intuitive sense: a visible deformity that also hurts creates a feedback loop of physical discomfort and withdrawal.

A study examining whether corrective exercises could improve body image in schoolgirls with hyperkyphosis found that while the exercises significantly improved posture measures, they did not change how the girls felt about their bodies.²⁹ This suggests that addressing the physical curve alone may not be enough. Psychological support and, where appropriate, counseling should be considered as part of the treatment plan, not as an afterthought.

Who Should See a Doctor and When

If your upper-back rounding is mild and improves when you consciously stand up straight, you probably have postural kyphosis, and a consistent exercise routine is a reasonable first step. If the curve does not straighten when you try to stand tall, or if it appeared during adolescence and has been rigid ever since, imaging and a proper diagnosis are worth pursuing. A rigid curve raises the possibility of Scheuermann’s disease or another structural cause that may benefit from more targeted treatment.

For older adults, a sudden increase in rounding, new back pain, or a loss of height of more than a couple of centimeters should prompt evaluation for compression fractures. These fractures often happen without a dramatic event. You might not recall a fall or injury. Early detection allows for treatment of both the fracture and the underlying osteoporosis, potentially preventing the cascading effect of multiple fractures stacking a curve degree by degree.

For parents, watch for a visible rounding in a teenager’s upper back that persists even when they’re not slouching. Scheuermann’s disease typically becomes apparent between ages 12 and 17, and catching it while the skeleton is still growing opens the door to bracing, which is far less invasive than the surgical options that may be needed if the curve progresses unchecked into adulthood.