Cervical Spine Disorder: Signs and When to Worry

The cervical spine

The neck spine has seven vertebrae (C1 to C7). Between C2 and C7 are discs that cushion movement. Paired facet joints at the back guide motion. The spinal cord runs through a canal in the center, and nerve roots exit at each level to supply the shoulders, arms and hands. The neck carries the head's weight (about 10 to 12 lb or 4.5 to 5.5 kg) while allowing wide movement, which makes it prone to strain and wear.

For an overview of the specific conditions and their treatments, see cervical spine disorders.

Signs of a cervical spine problem

1. Neck pain alone (axial neck pain)

• aching, stiffness and reduced movement
• pain spreading to the shoulders, between the shoulder blades or the back of the head
• worse with certain postures, long screen use or after sleeping
• usually from muscle and ligament strain, facet joints or disc wear

2. Pinched nerve (cervical radiculopathy)

• sharp, burning or electric pain shooting down one arm, often worse than the neck pain
• numbness or tingling in specific fingers
• weakness in certain movements, such as lifting the arm or gripping
• pain that worsens when looking up or tilting toward the painful side, and may ease with the hand placed on the head

See cervical radiculopathy.

3. Spinal cord compression (cervical myelopathy)

Myelopathy develops gradually, often without much neck pain, so it is easily missed. Signs include:

• clumsy, numb hands; difficulty with buttons, writing, using keys or a phone
• dropping objects
• unsteady, wide-based walking, or a feeling of walking on uneven ground
• stiff or heavy legs
• electric shocks down the spine when bending the neck forward (Lhermitte's sign)
• urinary urgency or other bladder changes in later stages

Myelopathy is most often caused by age-related narrowing of the spinal canal (cervical stenosis) and needs a specialist opinion.

Symptom patterns and what they suggest

Common causes

• Neck strain: overuse, poor posture, sleeping position, stress
• Cervical spondylosis: age-related wear of discs and joints, present on X-ray in most people over 60, often painless
• Herniated disc: disc material bulging onto a nerve root, often in people aged 30 to 50
• Whiplash: sudden back-and-forth movement, usually in car crashes
• Inflammatory arthritis: rheumatoid arthritis, ankylosing spondylitis
• Less common: fractures, infection, tumors, instability at the top of the neck

How a cervical spine disorder is diagnosed

A doctor will ask when and how symptoms started, which activities make them worse, and about arm symptoms, hand function, walking, bladder changes and general health. The examination checks:

• neck movement and tender points
• strength, reflexes and sensation in the arms and legs
• signs of spinal cord involvement, such as brisk reflexes, the Hoffmann sign in the fingers, and walking heel to toe
• the Spurling test, which reproduces arm pain by gently pressing down on the tilted head

Tests are not needed for most simple neck pain. They are used for red flags, nerve or cord symptoms, or pain lasting more than 6 weeks:

• X-rays: alignment, arthritis, instability on bending views, fractures after injury
• MRI: discs, nerves and the spinal cord; the main test for radiculopathy and myelopathy
• CT: detailed bone imaging, especially after trauma
• Nerve conduction studies and EMG: to separate a pinched nerve in the neck from nerve compression in the arm, such as carpal tunnel syndrome

First steps for neck pain

• keep moving gently; avoid prolonged bed rest or collars for simple neck pain
• apply heat or cold for 15 to 20 minutes at a time
• take acetaminophen (paracetamol) or ibuprofen at the label dose
• adjust screens to eye level and take breaks every 30 to 45 minutes
• sleep with a pillow that keeps your neck in line with your body

A physical therapist can teach exercises that speed recovery and reduce recurrence.

Frequently asked questions

What are the signs of a cervical spine problem?

Neck pain and stiffness are the commonest signs. A pinched nerve causes pain, tingling or weakness down one arm. Spinal cord compression causes clumsy hands, unsteady walking and stiff legs. Any arm weakness or problems with hand control or walking need medical assessment.

When is neck pain serious?

Neck pain is more serious if it follows a major injury, comes with fever, weight loss or night pain, or causes weakness, numbness, clumsy hands, difficulty walking or bladder changes. These need prompt or emergency care. Most neck pain without these features improves within weeks.

What is cervical myelopathy?

It is damage to the spinal cord in the neck from compression, usually by age-related narrowing of the spinal canal. It causes clumsy hands, numbness, balance problems and leg stiffness, often without much pain. It is diagnosed with MRI and often treated with surgery to relieve pressure.

Do I need an MRI for neck pain?

Usually not. MRI is recommended for neck pain with significant arm weakness, signs of spinal cord compression, red flags such as fever or cancer history, or arm pain that has not improved after about 6 weeks of treatment.