Cervical Muscle Involvement with TMJ Pain and Dysfunction

Treating TMJ pain and dysfunction with massage therapy is both straightforward and a delicate dance of technique, patience and understanding that every case is unique. Massaging jaw muscles is fundamental treatment. However, the muscles of the cervical spine (neck) are often intimately related to cases of TMJ pain and dysfunction as well. Working them therapeutically is imperative to bring relief to acute and chronic cases of jaw pain.

The relationship between the neck muscles and TMJ (temporomandibular joint) dysfunction is complex and involves both muscular connections and neurological pathways. The head, neck, and jaw are interconnected through the muscular and fascial systems. Therefore, dysfunction in one area can often lead to or exacerbate issues in another. Below is a comprehensive overview of how neck muscles and TMJ dysfunction are related:

1. Postural Influence

● Forward Head Posture: When the head is consistently pushed forward, the neck muscles become overactive in the attempt to stabilize it. This altered alignment can place additional strain on the TMJ, contributing to pain, tension, and dysfunction.

● Cervical Spine and TMJ Alignment: The position of the cervical spine can affect the alignment of the mandible (lower jaw) and temporal bones (which house the TMJ). Misalignment in the cervical spine from excessive or insufficient curvature can lead to compensatory jaw movements and increased stress on the TMJ, resulting in dysfunction.

2. Muscle Tension and Trigger Points

● Trigger Points in the Neck: Trigger points in the levator scapulae, sternocleidomastoid (SCM), trapezius, and suboccipital muscles can refer pain to the head and jaw. These trigger points may mimic or exacerbate TMJ pain.

● Muscular Imbalance: Imbalances in the neck muscles, such as tightness in the scalene muscles or SCM, can also lead to a forward head posture, which places additional strain on the TMJ. Also, if one side is tighter than the other (left vs. right) compensation can arise to correct imbalances.

3. Muscle Synergy Between Neck and Jaw Muscles

● Common Neural Pathways: The muscles of the neck and jaw share some common neural pathways. Dysfunction in the cervical spine or neck muscles can lead to altered nerve function or hypersensitivity in the trigeminal nerve, which may contribute to jaw pain and TMJ dysfunction.

● Muscle Compensation: The masseter, temporalis, and other muscles of mastication work in synergy with neck muscles for proper jaw movement. Dysfunction in one area can lead to compensation in the other, often resulting in clenching, teeth grinding (bruxism), and TMJ pain.

4. Cervical Dysfunction and TMJ Symptom Overlap

● Cervical Disc Issues or Stenosis: Problems like cervical disc herniation or nerve compression in the neck can cause pain that radiates to the jaw and head. This can present as headaches, neck stiffness, or jaw pain, mimicking TMJ dysfunction.

● Cervicogenic Headaches: Cervicogenic headaches, originating from the neck, can often be mistaken for TMJ-related headaches because both conditions can cause pain around the jaw, temples, and the base of the skull. The upper cervical spine (C1-C2) is closely linked to the jaw and head, and dysfunction in these areas can contribute to TMJ symptoms.

5. Jaw Clenching and Neck Muscle Activation

● Overactive Jaw Muscles: When individuals clench their jaws (due to stress, anxiety, or jaw pain), the masseter and temporalis muscles become overactive. This can cause referred tension in the neck muscles, especially the levator scapulae, sternocleidomastoid, and upper trapezius. Over time, this can contribute to muscle fatigue and discomfort in both the neck and TMJ.

● Bruxism and Neck Pain: Teeth clenching and grinding often occurs during sleep and can activate the neck muscles, particularly the levator scapulae and trapezius, leading to neck pain that can radiate to the TMJ.

6. TMJ Dysfunction and Headaches

● Tension-Type Headaches: Tightness in the neck muscles can contribute to the development of tension headaches, causing pain at the temples, forehead and jaw. This pain may be confused with TMJ-related headaches, as both conditions affect similar areas of the head and face.

● Migraine and TMJ Dysfunction: People with migraine headaches may also experience TMJ pain due to the overlap in the muscles and neural pathways involved in both conditions.

7. Cervical Muscle Dysfunction and Jaw Alignment

● Muscle Imbalances: Dysfunctional or weak neck muscles may affect the alignment of the head and jaw, contributing to improper occlusion (bite alignment) and strain on the TMJ. For example, upper cervical instability (such as in cervical facet joint dysfunction) can cause a misalignment in the mandible (jawbone), leading to TMJ pain.

● Cervical Instability: Poor posture such as forward head posture or whiplash-associated injury can affect cervical stability leading to abnormal jaw mechanics, exacerbating TMJ dysfunction.

8. Cervical Range of Motion and Jaw Function

● Limited Cervical Flexibility: Restricted cervical movement due to stiffness or pain in the neck muscles can affect the overall head posture, which may also influence jaw function. Limited neck range of motion can result in compensatory movements in the jaw, leading to abnormal TMJ mechanics and increased risk of dysfunction.

Qualified massage therapy can play a crucial role in treating TMJ and associated symptoms. A thorough health-history intake is necessary to determine current symptoms and treatment options on the massage table. This frequently includes gloved intra-oral trigger-point therapy to muscles inside the mouth coupled with external work to the head and face. These treatments are often very effective for both acute and chronic jaw pain. However, it is clear that proper neck work is imperative for treating pain being simulated as a jaw problem and for treatment of muscles directly contributing to jaw discomfort.

Is your jaw pain actually neck strain? Consider therapeutic massage with a qualified professional to explore that. For more information on TMJ massage, please see my article, "Temporomandibular Joint Disorder and Massage."

I'd like to thank Michael Eric Everson for the eight points of dysfunction listed in this article. https://eversonce.com