Neck Pain: Muscular Causes, Diagnosis and Treatment

To learn more, consult the guide on Sciatica: Causes, Remedies, Exercises, and Recovery Times. To learn more, consult the guide on Neck Pain from Cold: Why Your Neck Gets Stiff in Winter (and a scarf isn’t enough). To learn more, consult the guide on Back Pain and Chest Pain: Causes, Physiotherapy, and Exercises.

Cervical disorder, commonly known as cervicalgia or neck pain, represents one of the most widespread musculoskeletal problems in the adult population globally. The impact of this condition on quality of life, work productivity, and psychophysical well-being is significant. When addressing the topic of neck pain causes remedies, it is crucial to understand that the vast majority of episodes have a benign origin, very often linked to muscle tension, functional overload, or incorrect postural habits prolonged over time. However, the cervical articulation is a complex and delicate anatomical region, housing vital nervous and vascular structures. Therefore, an accurate clinical assessment is essential not only to resolve the symptom but also to rule out more severe pathologies. This article will explore in detail the anatomy of the neck, the muscular origins of pain, therapeutic options based on the latest scientific evidence, and warning signs that require immediate medical attention.

Anatomy and Biomechanics of the Cervical Spine

The cervical spine comprises seven vertebrae in the neck that support the head and enable movement; dysfunction causes localized pain, stiffness, and restricted motion. To fully understand the dynamics of cervical pain, a brief overview of the region’s anatomy is useful. The cervical spine is composed of seven vertebrae (numbered C1 to C7). The first two, the atlas (C1) and the axis (C2), have a unique conformation that allows for most of the head’s rotational movements. The underlying vertebrae are separated by intervertebral discs, fibrocartilaginous structures that act as shock absorbers and load distributors.

For a complete overview, see the comprehensive guide to back pain and spine.

For a complete overview, see the comprehensive guide to back pain and spine.

The cervical spine must fulfill two seemingly contrasting functions: ensuring extreme mobility to allow the sensory organs (eyes, ears) to explore the surrounding environment, and providing sufficient stability to support the weight of the skull, which in an adult weighs an average of 4.5 to 5.5 kilograms.

This dynamic stability is guaranteed by a complex muscular and ligamentous system. The muscles are divided into superficial (such as the trapezius, levator scapulae, and sternocleidomastoid), which manage large movements and strength, and deep (such as the suboccipital muscles and deep neck flexors), which act as true guy wires for fine stabilization of the vertebral segments. When this delicate biomechanical balance is altered, the mechanisms leading to pain are triggered.

Muscular and Postural Causes of Neck Pain

The most frequent cause of neck pain is of a mechanical-muscular nature. Alterations affecting soft tissues (muscles, fascia, tendons) are responsible for most episodes of acute and chronic neck pain.

Postural Syndrome and “Tech Neck”

In the modern era, the prolonged use of electronic devices such as smartphones, tablets, and computers has given rise to a condition called “Tech Neck.” When the head is tilted forward to look at a screen, the perceived weight on the cervical spine increases exponentially. If at 0 degrees (head in a neutral position) the load is approximately 5 kg, at 15 degrees of flexion it becomes 12 kg, at 30 degrees 18 kg, reaching up to 27 kg at 60 degrees of flexion.

This prolonged posture forces the posterior neck muscles (particularly the upper trapezius and extensor muscles) into continuous isometric work to prevent the head from falling forward. Over time, this overload leads to local ischemia (reduced blood flow), accumulation of catabolites, and consequent pain, stiffness, and muscle spasm.

Psychological Stress and Muscle Tension

There is a very strong clinical and scientific correlation between emotional stress, anxiety, and cervical pain. The cervico-dorsal region is one of the main areas for stress somatization. In situations of psychological tension, the sympathetic nervous system activates, causing an involuntary elevation of the shoulders and continuous contraction of the cervical muscles. This chronic tension alters the normal physiology of the muscle, leading to the onset of pain which, in turn, generates further stress, creating a vicious cycle difficult to break without adequate intervention.

Trigger Points and Myofascial Pain Syndrome

Trigger points are hyperirritable nodules located within a taut band of muscle fibers. In the neck and shoulders, they are extremely common. Pressure on these points not only generates acute local pain but can also cause referred pain in other areas. For example, a trigger point in the upper trapezius muscle can radiate pain towards the temple or behind the eye, mimicking a migraine. Myofascial pain syndrome is a chronic condition in which these trigger points become the primary source of disability.

Cold Exposure and Sudden Movements

The classic acute “wry neck” or torticollis is often the result of a sudden movement (causing micro-trauma to muscle fibers or facet joints) or exposure to cold drafts. Sudden cold can cause vasoconstriction and a reflexive muscle contraction, leading to an acute spasm that severely limits neck movements, particularly rotation and inclination.

Other Common Causes of Neck Pain

Although muscular causes are predominant, it is important to mention other structural conditions that can generate neck pain:

• Cervical Osteoarthritis (Spondylosis): A natural degenerative process linked to aging. It involves the thinning of intervertebral discs and the formation of osteophytes (bone spurs) that can limit movement and, in some cases, irritate nerve roots.
• Cervical Disc Herniation: Occurs when the nucleus pulposus (the gelatinous inner part of the disc) protrudes through a tear in the outer fibrous annulus. If the disc material compresses a nerve root, cervicobrachialgia (pain radiating down the arm) is generated.
• Whiplash (Cervical Spine Distorsion Trauma): Typical of car accidents, it consists of hyperextension followed by rapid hyperflexion of the neck. It causes ligamentous and muscular strains that require specific recovery times.

Symptoms Associated with Neck Pain

Neck pain rarely presents as an isolated symptom. Depending on the underlying cause, it can be accompanied by a varied array of symptoms:

• Joint stiffness: Difficulty rotating or flexing the head, often more pronounced upon waking.
• Cervicogenic Headache: A headache that originates from the upper cervical structures (first three vertebrae) and radiates towards the nape of the neck, forehead, or orbital region.
• Radiating pain: Pain that extends towards the shoulder blades, shoulders, or down the arm.
• Paresthesia: Tingling, numbness, or altered sensation in the hands or fingers (a symptom suggesting nerve involvement).
• Dizziness and unsteadiness: Often described by patients as “feeling like walking on eggs” or “lightheadedness.” Although the correlation between the neck and dizziness is complex, tension in the suboccipital muscles, rich in proprioceptive receptors, can alter the information sent to the brain regarding the head’s position in space.

When to Worry: “Red Flags” (Warning Signs)

In clinical practice, it is imperative to distinguish common musculoskeletal pain from a potentially serious medical condition. There are warning signs, referred to in medicine as “Red Flags,” that require urgent medical evaluation. It is necessary to promptly consult a doctor if neck pain is associated with:

• Major trauma: Such as a fall from a height or a severe car accident.
• Sudden or progressive neurological symptoms: Marked weakness in the arms or legs, difficulty walking, loss of coordination, or changes in sphincter control (bladder or bowel).
• Unexplained fever and chills: Could indicate an infection (e.g., meningitis or discitis).
• Unexplained weight loss or a history of cancer: To rule out the presence of bone metastases.
• Incessant nocturnal pain: Pain that does not change with movement, worsens at night, and finds no relief in any position.
• Severe nuchal rigidity: Total inability to flex the chin towards the chest, especially if associated with fever or photophobia (sensitivity to light).

In the presence of one or more of these symptoms, it is crucial to avoid self-medication and immediately consult your doctor or go to the emergency room.

Diagnosis: The Clinical Pathway

The diagnosis of cervical pain is primarily based on anamnesis (the collection of the patient’s medical history) and physical examination. The doctor or physical therapist will assess posture, joint mobility (Range of Motion – ROM), muscle strength, and palpation of soft tissues in search of spasms or trigger points. Neurological tests (reflexes, sensation, strength) will also be performed to rule out nerve root compression.

Regarding instrumental examinations (X-rays, Magnetic Resonance Imaging, CT scans), international guidelines suggest not routinely prescribing them for acute non-specific cervical pain. Imaging studies are recommended only in the presence of “Red Flags,” in cases of trauma, or if pain persists for several weeks without responding to conservative treatment. It is important to emphasize that the presence of alterations on Magnetic Resonance Imaging (such as disc protrusions or signs of osteoarthritis) is extremely common even in people completely free of pain, therefore reports must always be correlated with the patient’s clinical symptoms.

Physiotherapy Treatment and Remedies

The treatment of cervical pain of muscular and mechanical origin aims at pain reduction, restoration of mobility, and prevention of recurrence. The modern approach is based on a mix of passive therapies (in acute phases) and active therapies.

Manual Therapy

Orthopedic manual therapy is a fundamental tool. Through specific joint mobilizations, manipulations (if clinically indicated and safe), and myofascial release techniques, the physical therapist works to restore correct joint mechanics and reduce excessive muscle tone. The treatment of trigger points, through ischemic pressure or deep massage techniques, is often very effective in alleviating referred pain.

Instrumental Physical Therapies

In phases of acute pain or severe inflammation, the doctor or physical therapist can integrate manual treatment with instrumental physical therapies. Technologies such as Tecartherapy, high-power Laser Therapy, or TENS can help modulate pain, stimulate microcirculation, and accelerate cellular repair processes. However, these therapies should never constitute the sole therapeutic approach but should be considered a support for movement and exercise.

Therapeutic Exercise: The Gold Standard

Scientific evidence is clear: therapeutic exercise is the most effective long-term intervention for cervical pain. A personalized exercise program, prescribed by the physical therapist, allows for:

• Improve the flexibility of retracted muscles (e.g., trapezius, pectorals).
• Strengthen weak and inhibited muscles (e.g., deep neck flexors, scapular stabilizers).
• Improve proprioception and motor control.

Recommended Therapeutic Exercises

Below are some basic exercises, useful for common muscle tensions. Caution: these exercises should be performed without eliciting acute pain. If in doubt or if pain increases, stop performing them and consult your doctor or physical therapist.

1. Cervical Retraction (Chin Tuck)
This exercise is excellent for counteracting “Tech Neck” posture and activating the deep flexors.

• Execution: Sitting or standing with a straight back. Looking forward, retract your chin towards your throat, as if trying to create a “double chin,” without tilting your head down or up. The movement is a posterior translation of the head.
• Dosage: Hold the position for 3-5 seconds. Repeat 10 times.

2. Upper Trapezius Stretch
Useful for releasing lateral neck tension.

• Execution: Sitting on a chair. Grasp the edge of the chair with your right hand to stabilize the shoulder. With your left hand, gently grasp the right side of your head and tilt your neck to the left, until you feel a slight tension on the right side.
• Dosage: Hold the position for 30 seconds, breathing deeply. Repeat 2-3 times per side.

3. Active Neck Rotation
To maintain and improve joint mobility.

• Execution: Sitting or standing, shoulders relaxed. Slowly rotate your head to the right, trying to look over your shoulder, without forcing. Return to the center and rotate to the left.
• Dosage: 10 slow and controlled movements per side.

4. Thoracic Extension Exercise
Neck pain is often linked to stiffness in the thoracic spine (upper back).

• Execution: Sitting on a chair with a low backrest. Interlace your hands behind your neck. Gently extend your upper back backward, using the chair’s backrest as a fulcrum. Do not force your neck; the movement should occur in the thoracic spine.
• Dosage: 10 slow repetitions.

Prevention and Ergonomics

Preventing neck pain means addressing the mechanical and postural causes that generate it in daily life.

Workplace Ergonomics:
If you work at a computer, the workstation must be adapted to the individual. The monitor should be directly in front of the user, with the top edge at eye level, to avoid constantly flexing or extending the neck. The chair should support the lumbar curve and allow your feet to rest on the floor, with knees at 90 degrees. Your arms should rest on armrests or the desk, lightening the load on your shoulder muscles. It is essential to take frequent breaks (every 45-60 minutes) to stand up, move around, and change posture.

Sleep and the Pillow:
We spend about a third of our lives sleeping. Nighttime posture greatly influences cervical health. It is not recommended to sleep on your stomach, as it forces the neck into extreme rotation for many hours. The best positions are supine (on your back) or on your side. The pillow should be of a height that keeps the cervical spine aligned with the rest of the vertebral column: not too high (which would flex the neck forward or sideways) nor too low.

Stress Management and Lifestyle:
Regular aerobic physical activity (walking, swimming, cycling) improves tissue vascularization and reduces pain perception. Furthermore, relaxation techniques, diaphragmatic breathing, yoga, or mindfulness can be valuable tools for lowering stress levels and, consequently, muscle tension somatized in the cervical region.

Frequently Asked Questions (FAQ)

How long does acute torticollis last?

Classic torticollis of muscular origin generally has a benign course. The acute phase, characterized by intense pain and joint blockage, usually lasts from 2 to 5 days. With adequate relative rest, the application of heat, and, if necessary, the use of medications prescribed by a doctor, symptoms tend to resolve completely within 1-2 weeks. If the pain persists beyond this period, a clinical evaluation is advisable.

For neck pain, is it better to use ice or heat?

The choice depends on the cause and phase of the pain. In case of acute trauma (such as whiplash or a blow), ice is indicated in the first 24-48 hours to reduce inflammation and edema. However, for most common neck pains, which are of a tensional and muscular nature, heat is definitely more appropriate. A hot water bottle or a warm shower promotes vasodilation, increases blood flow to the tissues, and helps relax contracted muscles.

Is a cervical collar useful for treating neck pain?

Modern guidelines advise against the prolonged use of cervical collars (the so-called soft collar) for common neck pains or mild whiplash. Immobilizing the neck leads to rapid weakening of stabilizing muscles and increased joint stiffness, delaying healing. A collar may be prescribed by a doctor only in specific cases (severe trauma, fractures, or for very short periods in hyper-acute phases), but in general, early and controlled movement is the best path to recovery.

Is cracking your own neck harmful?

Yes, the habit of “cracking” (self-manipulating) your own neck abruptly and repeatedly is not recommended. Although it may provide a momentary sensation of relief due to the release of endorphins, in the long run, this action can cause hypermobility and instability of the cervical ligaments, worsening the situation and increasing the risk of joint wear. Vertebral manipulations must be performed exclusively by qualified healthcare professionals after careful evaluation.

What is the best pillow for someone suffering from neck pain?

There is no single perfect pillow for everyone, as the choice depends on physical build (shoulder width) and sleeping position. In general, memory foam or latex pillows with a “wave” shape (cervical pillows) are highly regarded because they offer anatomical support to the cervical lordosis. The fundamental rule is that, when lying down, the pillow should fill the space between the head and shoulders, keeping the neck in a neutral position, aligned with the rest of the spine. If in doubt, it is helpful to ask your doctor or physical therapist for advice.

Recommended product: Recommended lumbar support cushion

An ergonomic lumbar support helps maintain the natural spinal curve during prolonged sitting.

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Frequently Asked Questions

What are the primary muscular causes of neck pain?

Neck pain commonly originates from mechanical-muscular issues such as muscle tension, functional overload, and prolonged poor posture. Modern habits, including ‘tech neck,’ also contribute significantly to these muscular imbalances and discomfort.

Why is an accurate clinical assessment important for neck pain?

An accurate clinical assessment is crucial for neck pain to identify the specific underlying causes and rule out any more severe pathologies. This comprehensive evaluation ensures appropriate management strategies are developed to effectively resolve symptoms.

How do the neck’s muscles contribute to both mobility and stability?

The complex musculature of the neck is essential for providing both vital mobility and crucial stability to the cervical spine. Imbalances or dysfunction within these muscles can disrupt this delicate equilibrium, leading to pain and restricted movement.

What is the general nature of most neck pain episodes?

The vast majority of neck pain episodes are benign in origin, often linked to muscle tension, functional overload, or prolonged incorrect postural habits. While generally not indicative of severe pathology, these issues can significantly impact daily life.

Disclaimer medico: Le informazioni contenute in questo articolo hanno finalità esclusivamente educativa e informativa. Non sostituiscono il parere del medico o del fisioterapista. Per diagnosi e trattamento rivolgersi al proprio medico o fisioterapista di fiducia.

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Sources and Scientific References

1. Blanpied PR, Gross AR, Elliott JM, Devaney LL, Cleland D, Walton DM, Sparks C, Robertson EK. Neck Pain: Revision
2. J Orthop Sports Phys Ther. 2017;47(7):A1-A
3. Gross A, Kay TM, Paquin JP, Blanchette S, Lalonde P, Irvine T, Jutai G, Harvey TM, Santaguida PL. Exercises for mechanical neck disorders. Cochrane Database Syst Rev. 2015;2015(1):CD
4. DOI: target=”_blank” rel=”noopener”>10.1002/14651858.CD004250.pub5
5. Finucane LM, Downie A, Mercer C, Greenhalgh SM, Boissonnault WG, Pool-Goudzwaard AL, Beneciuk JM, Leech RL, Selfe J. International Framework for Red Flags for Potential Serious Spinal Pathologies. J Orthop Sports Phys Ther. 2020;50(7):350-

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Scientific References

1. Tomás CC et al.. Proceedings of the 3rd IPLeiria’s International Health Congress : Leiria, Portugal. 6-7 May 2016. BMC Health Serv Res (2016). PubMed | DOI
2. Zecha JA et al.. Low level laser therapy/photobiomodulation in the management of side effects of chemoradiation therapy in head and neck cancer: part 1: mechanisms of action, dosimetric, and safety considerations. Support Care Cancer (2016). PubMed | DOI
3. Kim R et al.. Identifying risk factors for first-episode neck pain: A systematic review. Musculoskelet Sci Pract (2018). PubMed | DOI

Sources and Scientific References

1. Verhagen AP (2021). Physiotherapy management of neck pain. J Physiother. 67:5-11. DOI | PubMed
2. Blanpied PR et al. (2017). Neck Pain: Revision 2017. J Orthop Sports Phys Ther. 47:A1-A83. DOI | PubMed
3. Binder AI (2008). Neck pain. BMJ Clin Evid. 2008. PubMed
4. Ozlu O et al. (2024). The effect of mulligan mobilization technique application in addition to conventional physiotherapy on pain and joint range of motion in people with neck pain. J Bodyw Mov Ther. 39:225-230. DOI | PubMed
5. Barreto TW et al. (2019). Chronic Neck Pain: Nonpharmacologic Treatment. Am Fam Physician. 100:180-182. PubMed