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Published on: 8/20/2026

What are the symptoms of cervical spondylosis affecting the 5th and 6th cervical vertebrae?

Yoshinori Abe

Reviewed by Yoshinori Abe, MD

Internal Medicine

Cervical spondylosis at the C5-C6 level is one of the most common forms of neck-related spinal degeneration, often causing distinct symptoms due to wear on the cervical discs and pressure on nearby nerve roots.

Common symptoms of C5-C6 cervical spondylosis include:

  • Neck pain and stiffness, especially with movement
  • Shoulder pain radiating down the arm
  • Numbness or tingling in the thumb, index finger, or forearm
  • Muscle weakness in the biceps, wrist, or shoulder
  • Headaches, typically starting at the base of the skull
  • Reduced range of motion in the neck
  • Grinding or popping sounds when turning the head

Because C5-C6 sits at a highly mobile point in the spine, it's particularly vulnerable to degeneration with age, poor posture, or repetitive strain. Left unaddressed, symptoms can progress and interfere with daily activities.

If you're noticing any combination of these symptoms, understanding the potential cause early can make a meaningful difference in your treatment and recovery. Take a free, instant, online symptom check to help clarify what may be driving your discomfort and guide you toward the right next steps—whether that's self-care, seeing a primary care provider, or consulting a specialist.

Reviewed for medical accuracy: 07/15/2026

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Explanation

Understanding Cervical Spondylosis

Cervical spondylosis is a condition that involves the wear and tear of the cervical spine, which can lead to the degeneration of discs and joints in the neck. This condition is common, especially in older adults, and can result in pain and other neurological symptoms.

Symptoms Specific to the 5th and 6th Cervical Vertebrae

When cervical spondylosis affects the 5th (C5) and 6th (C6) cervical vertebrae, the following symptoms may occur:

  • Neck Pain: This is often the most common symptom. The pain may be localized to the neck or may radiate to the shoulders and upper back.
  • Radiating Pain: Patients may experience pain that radiates down the arm, particularly into the areas supplied by the C5 and C6 nerve roots. This can include the shoulder, upper arm, and sometimes the forearm.
  • Numbness and Tingling: There may be sensations of numbness or tingling in the arm or hand, especially in the thumb and index finger, which are typically associated with the C6 nerve root.
  • Weakness: Weakness in the muscles of the shoulder, arm, or hand may occur. This can affect the ability to lift objects or perform tasks that require grip strength.
  • Reduced Range of Motion: Patients may find it difficult to turn their head or tilt it backward due to stiffness and pain in the neck.

If you're experiencing any combination of these symptoms, Ubie's free AI symptom checker can help you understand what might be causing them and whether you should seek medical attention.

Potential Complications

In more severe cases, cervical spondylosis can lead to cervical spondylotic myelopathy, which occurs when the spinal cord is compressed. Symptoms of this condition can include:

  • Gait Disturbances: Difficulty walking or maintaining balance.
  • Coordination Problems: Issues with fine motor skills, such as buttoning a shirt or writing.
  • Bowel or Bladder Dysfunction: In advanced cases, there may be changes in bowel or bladder control.

(References)

  • Kuo DT, Tadi P. Cervical Spondylosis. 2023 May 1. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2024 Jan–. PMID: 31855384.

  • McCormick JR, Sama AJ, Schiller NC, Butler AJ, Donnally CJ 3rd. Cervical Spondylotic Myelopathy: A Guide to Diagnosis and Management. J Am Board Fam Med. 2020 Mar-Apr;33(2):303-313. doi: 10.3122/jabfm.2020.02.190195. PMID: 32179614.

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