Pinched Nerve in the Neck: Why Your Arm or Hand Can Hurt When Your Neck Doesn't

One of the strangest things about a pinched nerve in the neck is that the neck may not be the part that hurts the most. Somebody can come in because the shoulder burns, the forearm aches, or two fingers keep tingling, and they are surprised when the examination starts at the cervical spine.

That is because nerves do not respect the way we divide the body into separate body parts. A nerve root can be irritated in the neck and the symptom can show up much farther away.

What Cervical Radiculopathy Means

Cervical radiculopathy is irritation or compression of a nerve root as it leaves the cervical spine. Depending on which nerve root is involved, symptoms can travel into the shoulder, arm, forearm, hand, or fingers. Pain can be sharp or burning, and numbness, tingling, reflex changes, or muscle weakness can occur. [1]

Many people do have neck pain with it. Some do not have much neck pain at all. That is why the location of the symptom does not automatically identify the location of the problem.

But Not Every Tingling Hand Comes From the Neck

The other side of the equation is just as important. The nerves leaving the neck eventually travel through the shoulder region, elbow, forearm, wrist, and hand. They can be irritated at those locations too.

Median-nerve compression at the wrist produces carpal tunnel syndrome. Ulnar-nerve compression at the elbow can create numbness in the little finger and part of the ring finger. Other peripheral nerve entrapments can occur in the forearm or shoulder region. [2] [3]

So if your fingers tingle, the answer is not automatically "your neck is out." The goal is to localize the neurologic problem as accurately as possible.

The Pattern Matters

I want to know exactly which fingers are involved, whether the symptoms change when the neck moves, whether placing the hand on top of the head changes the symptoms, and whether strength or reflexes have changed. I also want to know whether pressing or moving farther down the arm reproduces the same complaint.

That combination helps separate a cervical nerve-root problem from a peripheral entrapment or a musculoskeletal referral pattern. When the answer is still unclear, electrodiagnostic testing or imaging can add useful information. [1]

Why Muscles Still Matter

A nerve-root problem can cause weakness in the muscles it supplies. [1] During an examination, I also look for guarded movement and changes in how someone uses the neck and shoulder. Those observations help guide the assessment; they do not establish the cause on their own.

This is where I use an Applied Kinesiology-style muscle assessment as part of the bigger exam. I am looking at cervical muscles, shoulder stabilizers, rotator cuff, elbow and forearm muscles, and the specific movement patterns that change the symptoms.

What I am not doing is using a muscle test to diagnose a herniated cervical disc. If the pattern suggests structural nerve-root compression, that has to be evaluated as a neurologic and orthopedic problem.

What Treatment Should Be Aimed At

If the nerve root is being compressed in the neck, treatment needs to respect the cervical spine and the cause of that compression. If the nerve is being trapped at the wrist or elbow, repeatedly treating the neck will miss the problem. If the nerve is no longer significantly compressed but the shoulder and neck have developed a major compensatory pattern, those mechanics may need to be retrained as the nerve recovers.

This is why the diagnosis and the functional assessment should work together instead of competing with one another.

When Nerve Symptoms Need Prompt Evaluation

Progressive arm or hand weakness, loss of hand coordination, and problems with balance or walking need prompt medical evaluation. These can be signs of a problem involving the spinal cord. [4] Sudden major weakness, new bowel or bladder changes, or symptoms after significant trauma warrant urgent medical care.

The Takeaway

Your hand can hurt because of your wrist. Your arm can hurt because of your shoulder. And your hand or arm can hurt because of a nerve root in your neck even when the neck itself feels relatively fine.

The symptom tells you where the nerve is talking. The examination has to figure out where the nerve is actually being irritated.

If you’re sorting out recurring neck and arm symptoms, my chiropractic and injury-care page explains how I approach an examination. You can book a free 15-minute consultation to discuss whether an appointment is appropriate.

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About the author: Orie Quinn, D.C., is the founder and lead chiropractor at Ozark Holistic Center in Fayetteville, Arkansas.

Sources

[1] American Academy of Orthopaedic Surgeons. Cervical Radiculopathy (Pinched Nerve). OrthoInfo.

[2] American Academy of Orthopaedic Surgeons. Carpal Tunnel Syndrome. OrthoInfo.

[3] American Academy of Orthopaedic Surgeons. Ulnar Nerve Entrapment at the Elbow. OrthoInfo.

[4] American Academy of Orthopaedic Surgeons. Cervical Spondylotic Myelopathy (Spinal Cord Compression). OrthoInfo.