Learn About Kyphosis

What is the definition of Kyphosis?

Kyphosis is a curving of the spine that causes a bowing or rounding of the back. This leads to a hunchback or slouching posture.

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What are the alternative names for Kyphosis?

Scheuermann disease; Roundback; Hunchback; Postural kyphosis; Neck pain - kyphosis

What are the causes of Kyphosis?

Kyphosis can occur at any age, although it is rare at birth.

A type of kyphosis that occurs in young teens is known as Scheuermann disease. It is caused by the wedging together of several bones of the spine (vertebrae) in a row. The cause of this condition is unknown. Kyphosis can also occur in young teens who have cerebral palsy.

In adults, kyphosis can be caused by:

  • Degenerative diseases of the spine (such as arthritis or disk degeneration)
  • Fractures caused by osteoporosis (osteoporotic compression fractures)
  • Injury (trauma)
  • Slipping of one vertebra forward on another (spondylolisthesis)

Other causes of kyphosis include:

  • Certain hormone (endocrine) diseases
  • Connective tissue disorders
  • Infection (such as tuberculosis)
  • Muscular dystrophy (group of inherited disorders that cause muscle weakness and loss of muscle tissue)
  • Neurofibromatosis (disorder in which nerve tissue tumors form)
  • Paget disease (disorder that involves abnormal bone destruction and regrowth)
  • Polio
  • Scoliosis (curving of the spine often looks like a C or S)
  • Spina bifida (birth defect in which the backbone and spinal canal don't close before birth)
  • Tumors
What are the symptoms of Kyphosis?

Pain in the middle or lower back is the most common symptom. Other symptoms may include any of the following:

  • Round back appearance
  • Tenderness and stiffness in the spine
  • Fatigue
  • Difficulty breathing (in severe cases)
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What are the current treatments for Kyphosis?

Treatment depends on the cause of the disorder:

  • Congenital kyphosis needs corrective surgery at an early age.
  • Scheuermann disease is treated with a brace and physical therapy. Sometimes surgery is needed for large (greater than 60 degrees), painful curves.
  • Compression fractures from osteoporosis can be left alone if there are no nervous system problems or pain. But the osteoporosis needs to be treated to help prevent future fractures. For severe deformity or pain from osteoporosis, surgery is an option.
  • Kyphosis caused by infection or tumor needs prompt treatment, often with surgery and medicines.

Treatment for other types of kyphosis depends on the cause. Surgery is needed if nervous system symptoms or constant pain develop.

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What is the outlook (prognosis) for Kyphosis?

Young teens with Scheuermann disease tend to do well, even if they need surgery. The disease stops once they stop growing. If the kyphosis is due to degenerative joint disease or multiple compression fractures, surgery is needed to correct the defect and improve pain.

What are the possible complications of Kyphosis?

Untreated kyphosis can cause any of the following:

  • Decreased lung capacity
  • Disabling back pain
  • Nervous system symptoms, including leg weakness or paralysis
  • Round back deformity
How do I prevent Kyphosis?

Treating and preventing osteoporosis can prevent many cases of kyphosis in older adults. Early diagnosis and bracing for Scheuermann disease can reduce the need for surgery, but there is no way to prevent the disease.

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What are the latest Kyphosis Clinical Trials?
Effect of Scapular Stabilization Exercises on Scapular Muscles Strength and Kyphosis Index in Smartphone Users

Summary: This study will be conducted to investigate the effect of scapular stabilization exercises on scapular muscles strength (serratus anterior, lower fibers of trapezius, rhomboid major and minor), pain intensity level and kyphosis index in different duration of time using daily of smartphone in smartphone users.

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Comparison Between Effect of Posterior Cervical Weighting and Deep Cervical Flexion Exercise on Forward Head Posture: Randomized Control Trial

Summary: It has been reported that the head protrudes forward relative to the body from the sagittal plane associated with the anterior shifting of the line of gravity (LOG) relative to the base of support (BOS). On the other hand, the center of gravity (COG) has changed with the forward head posture (FHP) and is related to mechanical and musculoskeletal modifications due to postural control, which affects...

What are the Latest Advances for Kyphosis?
Effect of Core Stability Training on Correction and Surface Electronic Signals of Paravertebral in Adolescent Idiopathic Scoliosis.
Destructive Spondyloarthropathy due to Congenital Insensitivity to Pain with Anhidrosis: A Case Report of Long-Term Follow-Up.
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Sacral Pedicle Subtraction Osteotomy for Treatment of High-Grade Spondylolisthesis: A Technical Note and Review of the Literature.
Who are the sources who wrote this article ?

Published Date: July 25, 2020
Published By: C. Benjamin Ma, MD, Professor, Chief, Sports Medicine and Shoulder Service, UCSF Department of Orthopaedic Surgery, San Francisco, CA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

What are the references for this article ?

Deeney VF, Arnold J. Orthopedics. Zitelli BJ, McIntire SC, Nowalk AJ, eds. Zitelli and Davis' Atlas of Pediatric Physical Diagnosis. 7th ed. Philadelphia, PA: Elsevier; 2018:chap 22.

Magee DJ. Thoracic (dorsal) spine. In: Magee DJ, ed. Orthopedic Physical Assessment. 6th ed. Philadelphia, PA: Elsevier Saunders; 2014:chap 8.

Warner WC, Sawyer JR. Scoliosis and kyphosis. In: Azar FM, Beaty JH, Canale ST, eds. Campbell's Operative Orthopaedics. 13th ed. Philadelphia, PA: Elsevier; 2017:chap 44.