1800ss_science_source_rf_spinal_anatomy
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Your Other Core

Are you glad you can stand or sit upright? Thank your spine, a stack of little bones called vertebrae along the center of your back, from your seat to your neck. It supports your head, shoulders, and upper body. Your spine plays another key role: The vertebrae make a tunnel for your spinal cord. That's the set of nerves that connect your brain to most of your body.

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herniated disk
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Slipped Disk

A cushion called a disk sits between each of your vertebrae, so they don't scrape against each other. As you age, the disks start to dry out. If you put too much stress on your back, a disk may tear or break. Doctors call this a herniated disk. You may not notice. But your arms or legs might hurt, or they could feel numb or tingly. Usually, exercise and painkillers help. If not, you may need an operation.

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bony spurs
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Cervical Spondylosis

It's the result of the gradual breakdown in your neck as you get older. You could get a slipped disk there, or the vertebrae may sprout extra bone called spurs to try to boost strength. The ligaments that connect the vertebrae can get stiff and tight. Regardless of the cause, your neck may hurt or be harder to move. If disks or vertebrae squeeze nerves and nerve roots a lot, you could have permanent damage.

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osteoarthritis
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Osteoarthritis

Your vertebrae have slippery tissue on each end that helps your back flex without friction. If that cartilage gets rough or wears down, the vertebrae start to rub against each other, and it makes your back painful or stiff. Women are more prone than men to get osteoarthritis in their backs, and it tends to get worse over time. Your doctor can't reverse it. But painkillers, therapy, and exercise help ease the symptoms.

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1800ss_science_source_rm_spinal_stenosis
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Spinal Stenosis

Your spine has spaces in it for your spinal cord and the nerves that branch out from it. When those spaces shrink, bones can press against nerves. You might not even notice it, but any time nerves are messed with, you could have pain, tingling, or numbness, or your muscles might seem weak. Osteoarthritis is the most common cause of spinal stenosis. When it's severe, a surgeon goes in and makes more room for the nerves.

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sciatic nerve pain
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Sciatica

If pain shoots down from your lower back, through your bottom, and into your leg, the culprit may be your sciatic nerve. A herniated disk, bone spur, or some other spine problem can put pressure on it. Doctors call this sciatica. It usually affects only one side of your body. Hot packs, cold packs, stretching, and painkillers can help you feel better, but you may need a doctor to fix the cause.

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spinal tumor
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Tumor

Sometimes, cancer spreads from the spot where it starts to form a new growth in your spine. Lung, breast, prostate, and bone cancers are more likely to go there. A few non-cancer conditions can create a spine tumor, too. Your back might hurt, with the pain spreading through your body. Your arms or legs might be numb or weak. Part of your body could even be paralyzed. Your doctor may recommend surgery, radiation, or chemo.

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scoliosis
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Scoliosis

Scoliosis is one of the conditions that can twist your spine out of shape. The most common type affects children during their growth spurt before puberty, bending the spine sideways. If your child has scoliosis, their shoulders might be uneven, or one shoulder blade might stick out more than the other. Nobody knows what causes this. Scoliosis can get worse and cause problems, but a brace may help prevent that and the need for surgery to correct it.

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senior woman with kyphosis
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Kyphosis

This condition bends your spine forward. It usually happens when your vertebrae crack or mash down. Older women get it most often, but it can also affect children whose spines develop wrong. It can cause pain and other problems, and in severe cases, it bends your whole body out of shape. Depending on how curved your spine is, treatment might include painkillers, exercise, or surgery.

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ankylosing spondylitis
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Ankylosing Spondylitis

This type of arthritis typically starts off making your low back and hips stiff and sore, especially in the morning. Over time, it can spread up your spine and to other joints and organs. Vertebrae and bones in your rib cage could fuse, leaving you hunched over. Young men get it more often than women, and it may run in families. Early treatment with exercise and medication helps slow the progress.

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speeding ambulance
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Spinal Cord Injury

An injury most often comes from an accident (like a fall, car crash, or sports mishap) or from a gunshot. In most cases, the spinal cord gets bruised, or part of its blood supply is cut off. That may keep your brain from controlling part of your body, so it can be very serious. The higher on your spine, the more of your body is affected. Your chance of getting better depends on how bad the injury is.

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broken neck
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Broken Neck or Back

Accidents and injuries can also break bones. When that happens to one of the top seven vertebrae, just below your skull, it’s called a broken neck; farther down is a broken back. Bone loss because of age can make your back weak, too, and you might get a break that happens slowly over time. In that case, a back brace or surgery may help. Broken vertebrae could also hurt your spinal cord.

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spondylolisthesis
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Spondylolisthesis

Vertebrae might slide sideways, so that they don't line up with the ones above and below them. Spondylolisthesis is a main cause of lower back pain. It happens as your body ages, but it also can affect young people who do sports that stress the lower back, like football, gymnastics, and weightlifting. Rest should help. If the pain keeps up, you may need surgery.

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spinal nerves
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Cauda Equina Syndrome

The nerves that branch out from your spine in your lower back help your brain control your legs and the organs in your pelvis. A herniated disk, fracture, or other condition could put pressure on this group of nerves, called the cauda equina, causing this rare but dangerous ailment. You need surgery right away to restore any loss of feeling, movement, or control of your bladder and bowels.

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syringomyelia
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Syringomyelia

In rare cases, a little fluid-filled sac called a cyst can form in your spinal cord. It could happen when brain tissue pushes down from your skull into your spinal cord, or from an injury or tumor. Syringomyelia may not give you any problems. But if the cyst keeps growing, it can injure your spinal cord, and you could end up needing surgery.

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doctor examining xrays with patient
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When to Call a Doctor

If you're lucky, a spine condition doesn't do anything you notice. But if you do feel something wrong, pay attention. Call right away if your arms or legs feel weak or numb or you suddenly can't hold your pee or poop. Check with your doctor if you've had cancer or if you have pain that doesn't come from hard work, doesn't go away, hurts more at night, or gets worse.

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Sources | Medically Reviewed on 11/08/2018 Reviewed by Tyler Wheeler, MD on November 08, 2018

IMAGES PROVIDED BY:

1) (Left to right)  yodiyim / Thinkstock, PIXOLOGICSTUDIO / Science Source

2) Springer Medizin / Science Source

3) CNRI / Science Source

4) ZEPHYR / Science Source

5) MEDICAL MEDIA IMAGES / Science Source

6) Nathan Devery / Science Source

7) CNRI / Science Source

8) Southern Illinois University / Science Source

9) Scott Camazine / Medical Images

10) Scott Camazine / Medical Images

11) B&M Noskowski / Getty Images

12) SCIENCE PHOTO LIBRARY / Science Source

13) Zephyr / Science Source

14) INTELECOM / Science Source

15) ISM / SOVEREIGN / Medical Images

16) BSIP / AMELIE-BENOIST / Medical Images

 

SOURCES:

OrthoInfo: "Spine Basics," "Cervical Fracture (Broken Neck)," "Fractures of the Thoracic and Lumbar Spine," "Low Back Pain," "Spondylolysis and Spondylolisthesis," "Cauda Equina Syndrome."

Mayo Clinic: "Herniated disk," "Cervical spondylosis," "Osteoarthritis," "Spinal stenosis," "Sciatica," "Vertebral tumor," "Scoliosis," "Kyphosis," "Syringomyelia."

Arthritis Foundation: "What is Ankylosing Spondylitis?"

HHS: "Ankylosing Spondylitis: An Overview."

American Association of Neurological Surgeons: "Spinal Cord Injury."

Medscape: "Cervical Spine Anatomy."

Reviewed by Tyler Wheeler, MD on November 08, 2018

This tool does not provide medical advice. See additional information.

THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.