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Hyperlordosis

(Swayback; Saddle Back)

Pronounced: Lor-doe-sis

Definition

Lordosis is a normal inward curve in the lower back and neck. Hyperlordosis, or swayback, occurs when the angle of the inward curve is exaggerated. The sooner hyperlordosis is treated, the better the outcome.

Hyperlordosis

Lordosis
The shadowed spine to the left shows ideal lordosis.
Copyright © Nucleus Medical Media, Inc.

Causes    TOP

The exact cause of hyperlordosis is often unknown.

Risk Factors    TOP

Factors that may increase your chances of hyperlordosis include:

  • Achondroplasia—a genetic disorder that results in abnormal cartilage growth and dwarfism
  • Spondylolisthesis—displaced vertebrae of back
  • Neuromuscular disorders such as muscular dystrophy or cerebral palsy
  • Congenital abnormalities of the spine
  • Back surgery
  • Hip disorders
  • Poor posture
  • Abnormal vertebral bodies—more commonly found in children with hyperlordosis
  • Hyperkyphosis—An exaggerated outward curve of the thoracic spine
  • Osteoporosis
  • Disc problems
  • Obesity

Symptoms    TOP

Often times there are no symptoms with hyperlordosis. Depending on the degree of abnormal curving, you may experience back pain.

Diagnosis    TOP

Your doctor will ask about your symptoms and medical history. A physical exam will be done. During the physical, your doctor may ask you to bend and move your back. Hyperlordosis can be seen during the exam. Some tests may be done to rule out or confirm other conditions that may be causing hyperlordosis.

Your doctor may recommend imaging tests to see the spinal curve and the structures around it. These may include:

Treatment    TOP

For mild cases of hyperlordosis, treatment is often not necessary. You may need additional treatment to resolve any underlying conditions that contribute to your hyperkyphosis. Your doctor may refer to you a specialist who treats spinal disorders.

Options include the following:

Physical Therapy

Your doctor may refer you to a therapist to learn specific exercises. Exercises may be used to strengthen muscles and increase range of motion. You may also be taught how to maintain a correct posture.

Medications

Medications such as nonsteroidal anti-inflammatory drugs (NSAIDs) may be given for discomfort or to decrease swelling.

Back Brace    TOP

Braces are sometimes used with children. The brace can make sure the curve doesn’t worsen as they grow.

Surgery    TOP

Surgery may be used when the curve is severe, progresses, or when other treatment methods fail. The goal of surgery is to correct the exaggeration of the curve. The spine is corrected with a metal rod, hooks, or screws in the back bones. Surgeons also use a bone graft to promote new growth and stability.

Prevention    TOP

There are no current guidelines to prevent hyperlordosis.

RESOURCES:

American Academy of Orthopaedic Surgeons
http://orthoinfo.org
North American Spine Society
http://www.spine.org

CANADIAN RESOURCES:

Canadian Orthopaedic Association
http://www.coa-aco.org
Canadian Orthopaedic Foundation
http://www.canorth.org

References:

Acute low back pain. EBSCO DynaMed website. Available at:
...(Click grey area to select URL)
Updated November 22, 2013. Accessed February 7, 2014.
Lordosis. Children’s Hospital Boston website. Available at:
...(Click grey area to select URL)
Accessed February 7, 2014.
Lordosis. Seattle Children’s Hospital website. Available at:
...(Click grey area to select URL)
Accessed February 7, 2014.
Spine basics. American Academy of Orthopaedic Surgeons Ortho Info website. Available at:
...(Click grey area to select URL)
Updated December 2013. Accessed February 7, 2014.
Swayback (Lordosis). Cedars Sinai Health System website. Available at:
...(Click grey area to select URL)
Accessed February 7, 2014.
Vialle R, Khouri N, et al. Lumbar hyperlordosis of neuromuscular origin: pathophysiology and surgical strategy for correction. Int Orthop. 2007;31(4):513-523.
Last reviewed February 2014 by Michael Woods
Last Updated: 2/7/2014