Low back pain is an ache or discomfort in the area of the lower part of the spinal column that may radiate down into one or both legs. The lower spinal column consists of small, stacked bones (the vertebrae) that surround and protect the spinal cord and nerves.
Cross-section of Vertebral Canal with Spinal Cord in the Center |
There are many possible causes for low back pain, including:
Herniated Lumbar Disk |
Sciatica is irritation of the sciatic nerve, which passes from the spinal cord to the buttocks down the back of each thigh. The sciatic nerve is composed of several nerve roots that arise from the lower spine on each side of the spinal column. These nerve bundles travel deep in the pelvis to the lower buttocks. From there, the nerve passes along the back of each upper leg and divides at the knee into branches that go to the feet.
Sciatica typically causes pain that shoots down the back of one thigh or buttock. Anything that causes irritation or puts pressure on the sciatic nerve can cause sciatica, including:
Low back pain is very common, it is estimated that over the course of a lifetime 80% of Americans will suffer from at least one episode of back pain. Every year, about 15%-20% of the adults in the United States will report back pain. Most back pain gets better with time; about 5% to 10% of patients will continue to have pain for longer than three months.
What are the risk factors for low back pain and sciatica?
[What are the symptoms of low back pain and sciatica?
[How are low back pain and sciatica diagnosed?
What are the treatments for low back pain and sciatica?
Are there screening tests for low back pain and sciatica?
[How can I reduce my risk of low back pain and sciatica?
[What questions should I ask my doctor?
Where can I get more information about low back pain and sciatica?
Most back pain is usually localized in the low back. Stress on the muscles and ligaments that support the spine produces strain in these tissues, and this is the usual cause of lower back pain, although there can be other, more serious causes. There exist many treatments for low back pain.
If a nerve is irritated, the pain may extend into the buttock or leg on the affected side, and weakness or numbness may be present. Other symptoms include burning, tingling or a shooting pain down the back of one leg. This is often called “sciatica.” However, the nerve involved is usually a spinal nerve, and not the sciatic nerve. Sciatica is known by many other medical terms, such as lumbosacral radicular pain or radiculopathy.
Sciatic Nerve Pain |
More serious symptoms associated with low back pain that may require immediate medical attention include:
Sources:
Conn's Current Therapy 2001. 53rd edition. W.B. Saunders Company; 2001.
Pain. National Institute of Neurological Disorders and Stroke website. Available at: http://www.ninds.nih.gov/disorders/chronicpain/detailchronic_pain.htm#Spine . Accessed October 27, 2008.
Textbook of Primary Care Medicine. 3rd edition. Mosby, Inc.; 2001.
Low back pain is an ache or discomfort in the area of the lower part of the spinal column that may radiate down into one or both legs. The lower spinal column consists of small, stacked bones (the vertebrae) that surround and protect the spinal cord and nerves.
Cross-section of Vertebral Canal with Spinal Cord in the Center |
There are many possible causes for low back pain, including:
Herniated Lumbar Disk |
Sciatica is irritation of the sciatic nerve, which passes from the spinal cord to the buttocks down the back of each thigh. The sciatic nerve is composed of several nerve roots that arise from the lower spine on each side of the spinal column. These nerve bundles travel deep in the pelvis to the lower buttocks. From there, the nerve passes along the back of each upper leg and divides at the knee into branches that go to the feet.
Sciatica typically causes pain that shoots down the back of one thigh or buttock. Anything that causes irritation or puts pressure on the sciatic nerve can cause sciatica, including:
Low back pain is very common, it is estimated that over the course of a lifetime 80% of Americans will suffer from at least one episode of back pain. Every year, about 15%-20% of the adults in the United States will report back pain. Most back pain gets better with time; about 5% to 10% of patients will continue to have pain for longer than three months.
What are the risk factors for low back pain and sciatica?
What are the symptoms of low back pain and sciatica?
How are low back pain and sciatica diagnosed?
What are the treatments for low back pain and sciatica?
Are there screening tests for low back pain and sciatica?
How can I reduce my risk of low back pain and sciatica?
What questions should I ask my doctor?
Where can I get more information about low back pain and sciatica?
References:
Conn's Current Therapy 2001. 53rd edition. W.B. Saunders Company; 2001.
Freedman MK. Saulino MF. Overton EA. Holding MY. Kornbluth ID. Interventions in chronic pain management. 5. Approaches to medication and lifestyle in chronic pain syndromes. Archives of Physical Medicine & Rehabilitation.89(3 Suppl 1):S56-60, 2008 Mar.
Leboeuf-Yde C. Body weight and low back pain. A systematic literature review of 56 journal articles reporting on 65 epidemiologic studies. Spine.25(2):226-37, 2000 Jan 15.
Pain. National Institute of Neurological Disorders and Stroke website. Available at: http://www.ninds.nih.gov/disorders/chronicpain/detailchronic_pain.htm#Spine . Accessed October 27, 2008.
Textbook of Primary Care Medicine. 3rd edition. Mosby, Inc.; 2001.
A risk factor is something that increases your likelihood of getting a disease or condition.
It is possible to develop low back pain or sciatica with or without the risk factors listed below. However, the more risk factors you have, the greater your likelihood of developing low back pain or sciatica. If you have a number of risk factors, ask your doctor what you can do to reduce your risk. Some back pain treatments can be helpful in preventing the onset of low back pain.
Risk factors include:
Sedentary Job or Lifestyle
Muscles that support the back can become weak with lack of exercise.
Occupation
Work that requires the following motions puts additional stress on the back:
Participating in Strenuous or Contact Sports
Injuries from contact sports or falls can result in back pain.
Cigarette Smoking
Smoking may contribute to degeneration of the discs in the spine.
Obesity
Maintenance of good weight is important for your overall health. While scientific evidence is inconclusive as to how much obesity contributes to back pain in general, extra pounds can increase pressure on the spinal muscles and disks.
Improper Lifting Techniques
Lifting objects using your back muscles instead of the stronger muscles in your legs increases your risk of back injury.
Age
As you grow older, the discs in your back begin to lose water content and degenerate, increasing the risk of disc problems and back pain, especially after age 40. However, even with some disc degeneration seen on MRI or x-rays , most people do not have back pain.
References:
Conn's Current Therapy 2001. 53rd edition. W.B. Saunders Company; 2001.
Konstantinou K. Dunn KM. Sciatica: review of epidemiological studies and prevalence estimates. Spine. 33(22):2464-72, 2008 Oct 15.
Pain. National Institute of Neurological Disorders and Stroke website. Available at: http://www.ninds.nih.gov/disorders/chronicpain/detailchronic_pain.htm#Spine . Accessed October 27, 2008.
Textbook of Primary Care Medicine. 3rd edition. Mosby, Inc.; 2001.
Winters ME, Kluetz P, Zilberstein J. Back Pain Emergencies. Medical Clinics of North America.Volume 90, Issue 3 (May 2006)
Most back pain is usually localized in the low back. Stress on the muscles and ligaments that support the spine produces strain in these tissues, and this is the usual cause of lower back pain, although there can be other, more serious causes. There exist many treatments for low back pain.
If a nerve is irritated, the pain may extend into the buttock or leg on the affected side, and weakness or numbness may be present. Other symptoms include burning, tingling or a shooting pain down the back of one leg. This is often called “sciatica.” However, the nerve involved is usually a spinal nerve, and not the sciatic nerve. Sciatica is known by many other medical terms, such as lumbosacral radicular pain or radiculopathy.
Sciatic Nerve Pain |
More serious symptoms associated with low back pain that may require immediate medical attention include:
References:
Boden SD, Davis DO, Dina TS, Patronas NJ, and Wiesel SW. Abnormal magnetic-resonance scans of the lumbar spine in asymptomatic subjects. A prospective investigation. J. Bone and Joint Surg. 72-A:403-408, March 1990.
Boden SD. The use of radiographic imaging studies in the evaluation of patients who have degenerative disorders of the lumbar spine. Journal of Bone & Joint Surgery—American Volume. 78(1):114-24, 1996 Jan.
Conn's Current Therapy 2001. 53rd edition. W.B. Saunders Company; 2001.
Jensen MC, Brant-Zawadzki MN, Obuchowski N, Modic MT, Malkasian D, Ross JS. Magnetic resonance imaging of the lumbar spine in people without back pain. N Engl J Med. 1994;331:69-73.
Pain. National Institute of Neurological Disorders and Stroke website. Available at: http://www.ninds.nih.gov/disorders/chronicpain/detailchronic_pain.htm#Spine . Accessed October 27, 2008.
Russo RB. Diagnosis of low back pain: role of imaging studies. Clinics in Occupational & Environmental Medicine.5(3):571-89, vi, 2006.
Textbook of Primary Care Medicine. 3rd edition. Mosby, Inc.; 2001.
Zhou Y, Abdi S. Diagnosis and minimally invasive treatment of lumbar discogenic pain--a review of the literature. Clinical Journal of Pain. 22(5):468-81, 2006 Jun.
References:
Conn's Current Therapy 2001. 53rd edition. W.B. Saunders Company; 2001.
Freedman MK. Saulino MF. Overton EA. Holding MY. Kornbluth ID. Interventions in chronic pain management. 5. Approaches to medication and lifestyle in chronic pain syndromes. Archives of Physical Medicine & Rehabilitation.89(3 Suppl 1):S56-60, 2008 Mar.
Leboeuf-Yde C. Body weight and low back pain. A systematic literature review of 56 journal articles reporting on 65 epidemiologic studies. Spine.25(2):226-37, 2000 Jan 15.
Pain. National Institute of Neurological Disorders and Stroke website. Available at: http://www.ninds.nih.gov/disorders/chronicpain/detailchronic_pain.htm#Spine . Accessed October 27, 2008.
Textbook of Primary Care Medicine. 3rd edition. Mosby, Inc.; 2001.
2008 Physical Activity Guidelines Advisory Committee Report. USDA website. Available at: http://www.health.gov/paguidelines. Accessed October 26, 2008.
Your healthcare provider will ask about your symptoms and medical history. A physical exam will be done. In particular, your back, hips, and legs and will be tested for strength, flexibility, sensation, and reflexes.
Often, patients with pain may feel an urgent need to have a medical test. It is important to understand that medical tests are not routinely required for back pain and sciatica. Most episodes of acute back pain resolve on their own over several weeks, especially with some natural treatments. In these cases, the information from an x-ray or MRI may not change the medical plan, and so these tests may be unnecessary. An MRI or x-ray is usually ordered if there is a plan to do a procedure or surgery, based on the result of the images. Studies of medical imaging have demonstrated that MRI and x-ray may be too sensitive. They can often show abnormalities that are not truly significant, such as degenerated discs in individuals who do not even have symptoms. An improper medical test can lead to improper treatment and can greatly increase medical costs. It is important for such tests to be ordered appropriately.
Tests may include:
Lastly, perhaps the best way to assess how well a treatment is affecting pain is to as the patient how much their level of pain as gone down since the beginning of a certain treatment. Self-reflection like this can be extremely useful and perhaps more empowering than any of the tests written above.
You can reduce your risk of developing low back pain and sciatica by reducing the stress on your back. Guidelines for reducing stress on your back include:
Support Your Back When Lifting, Standing, and Sitting
Guidelines include:
Practice Good Posture
Poor posture and slouching can put pressure on your lower back. Stand and sit straight, and avoid sitting up in bed. If possible, find an ergonomic specialist to help teach you good posture and body mechanics, as well as help you redesign your workplace to reduce strain on your back.
Lose Weight If You Are Overweight
Maintenance of good weight is important for your overall health. While scientific evidence is inconclusive as to how much obesity contributes to back pain in general, extra pounds can increase pressure on the spinal muscles and disks. Follow the dietary and exercise plan recommended by your doctor. To lose weight you have to consume fewer calories than you expend. To maintain a healthy weight, eat an equal number of calories to those you expend. Even more exercise than minimum recommendations may be required to lose weight (see below).
Exercise Regularly
An aerobic program will improve your physical fitness, strengthen your back muscles, and help you maintain a healthy weight. Choose exercises or activities that you enjoy and will make a regular part of your day. For most people, this could include walking or participating in another aerobic activity for 30 minutes per day. The 2008 USDA Physical Activity Guidelines Advisory Committee Report recommends at minimum two hours and 30 minutes a week of moderate aerobic activity, and strengthening exercises at least two days a week. Exercise also can help you manage stress. Check with your doctor before starting any exercise program.
If You Smoke, Quit
Smoking may contribute to degeneration of the discs in the spine. Also, smokers risk possible re-injury to the back during a coughing attack. Smoking can adversely affect healing if you are having a back surgery. To heal properly, you should quit smoking two weeks before a spine fusion and stay tobacco-free for six months afterwards.
Manage Stress
Stress can increase muscle tension. Take time out to relax, exercise, and practice relaxation techniques. If you need support or assistance in reducing stress, you may want to try some of the following techniques:
Address:
6300 N River RD
Rosemont, Illinois 60018-4262
Phone:
1-847-823-7186
Internet address:
http://orthoinfo.aaos.org
Description of services provided:
This website provides information about back care, exercises to strengthen the back and abdomen, proper lifting techniques, and back surgery.
Address:
5550 Meadowbrook DR
Rolling Meadows, IL 60008
Internet address:
http://www.neurosurgerytoday.org/
Description of services provided:
This website provides information about back care and back surgery.
Address:
Information Clearinghouse
National Institutes of Health
1 AMS Circle
Bethesda, MD 20892-3675
Phone:
1-301-495-4484
1-877-226-4267 (toll-free)
Email address:
niamsinfo@mail.nih.gov
Internet address:
www.niams.nih.gov
Description of services provided:
This NIH government site provides access to clinical trials, online information on a variety of medical conditions, paper publications that can be ordered, and scientific developments.
Address:
PO Box 850
Rocklin, CA 95677
Phone:
800-533-5231
Email form:
http://www.theacpa.org/contact.asp
Internet address:
http://www.theacpa.org
Description of services provided:
With a mission to educate and increase awareness about chronic pain, this organization provides top new stories and feature articles. Major topics include strategies to manage chronic pain, a support group called "growing pains," resources, video clips from the ACPA's series "Pathways Through Pain," and frequently asked questions. Professionals and caretakers will also find helpful information on this website.
Address:
210 N Charles ST
Suite 710
Baltimore MD 21201
Phone:
888-615–PAIN
Internet address:
http://www.painfoundation.org
Description of services provided:
The American Pain Association provides assistance for patients living with chronic pain, including networking, resources, and online information.
References:
Boden, S. D.; Davis, D. O.; Dina, T. S.; Patronas, N. J.; and Wiesel, S. W.: Abnormal magnetic-resonance scans of the lumbar spine in asymptomatic subjects. A prospective investigation. J. Bone and Joint Surg. 72-A:403-408, March 1990.
Boden SD. The use of radiographic imaging studies in the evaluation of patients who have degenerative disorders of the lumbar spine. Journal of Bone & Joint Surgery- American Volume. 78(1):114-24, 1996 Jan.
Chou R, Fu R, Carrino JA, Deyo RA. Imaging strategies for low-back pain: systematic review and meta-analysis. Lancet.2009;373:463-472.
Conn's Current Therapy 2001. 53rd ed. W.B. Saunders Company; 2001.
Jensen MC, Brant-Zawadzki MN, Obuchowski N, Modic MT, Malkasian D, Ross JS. Magnetic resonance imaging of the lumbar spine in people without back pain. N Engl J Med.1994;331:69-73.
Pain. National Institute of Neurological Disorders and Stroke website. Available at: http://www.ninds.nih.gov/disorders/chronicpain/detailchronic_pain.htm#Spine . Accessed October 27, 2008.
Russo RB. Diagnosis of low back pain: role of imaging studies. Clinics in Occupational & Environmental Medicine. 5(3):571-89, vi, 2006.
Textbook of Primary Care Medicine. 3rd ed. Mosby, Inc.; 2001.
Zhou Y. Abdi S. Diagnosis and minimally invasive treatment of lumbar discogenic pain--a review of the literature. Clinical Journal of Pain. 22(5):468-81, 2006 Jun.
The purpose of screening is early diagnosis and treatment. Screening tests are usually administered to people without current symptoms, but who may be at high risk for certain diseases or conditions.
Screening Tests and Guidelines
There are no screening tests or screening guidelines for low back pain and sciatica.
Often, patients with pain may feel an urgent need to have a medical test. It is important to understand that medical tests are not routinely required for back pain and sciatica.
Most episodes of acute back pain resolve on their own over several weeks. In these cases, the information from an x-ray or MRI scan may not change the medical plan, and so these tests may be unnecessary. An MRI or x-ray is usually ordered if there is a plan to do a procedure or surgery, based on the result of the images.
Studies of medical imaging have demonstrated that MRI and x-ray may be too sensitive. They can often show abnormalities that are not truly significant, such as degenerated discs in individuals who do not even have symptoms. An improper medical test can lead to improper treatment and can greatly increase medical costs. It is important for such tests to be ordered appropriately.
References:
Conn's Current Therapy 2001. 53rd ed. W.B. Saunders Company; 2001.
Freedman MK. Saulino MF. Overton EA. Holding MY. Kornbluth ID. Interventions in chronic pain management. 5. Approaches to medication and lifestyle in chronic pain syndromes. Archives of Physical Medicine & Rehabilitation.89(3 Suppl 1):S56-60, 2008 Mar.
Konstantinou K. Dunn KM. Sciatica: review of epidemiological studies and prevalence estimates. Spine. 33(22):2464-72, 2008 Oct 15.
Pain. National Institute of Neurological Disorders and Stroke website. Available at: http://www.ninds.nih.gov/disorders/chronicpain/detailchronic_pain.htm#Spine . Accessed October 27, 2008.
Textbook of Primary Care Medicine. 3rd ed. Mosby, Inc.; 2001.
2008 Physical Activity Guidelines Advisory Committee Report. USDA website. Available at: http://www.health.gov/paguidelines . Accessed October 26, 2008.
You have a unique medical history. Therefore, it is essential to talk with your doctor about your personal risk factors and/or experience with low back pain and sciatica. By talking openly and regularly with your doctor, you can take an active role in your care.
General Tips for Gathering Information
Here are some tips that will make it easier for you to talk to your doctor:
Specific Questions to Ask Your Doctor
About Low Back Pain and Sciatica
About Your Risk of Developing Low Back Pain and Sciatica
About Treatment Options
About Lifestyle Changes
About Your Outlook