Scalenus Pleuralis Disorders

Scalenus pleuralis muscle disorders refer to problems affecting one of the muscles in your neck that is involved not only in head and neck movement but also plays a role in breathing. Although the name “scalenus pleuralis” isn’t as common as the simple term “scalene muscles,” it is used by some professionals to describe disorders that may affect the group of muscles originating from your cervical (neck) vertebrae and inserting on the first and second ribs. These muscles help lift the upper ribs, stabilize the neck, and protect important nerves and blood vessels. When these muscles become strained, spasmodic, or otherwise dysfunctional, it can lead to a series of symptoms that might impact your quality of life.


Anatomy of the Scalenus Pleuralis Muscle

Understanding the muscle’s anatomy is key to recognizing how disorders develop and what treatment options can help.

Structure and Location

  • Where It Is:
    The scalene muscles are located on both sides of the neck. They extend from the cervical vertebrae in your neck to the upper ribs. Although “scalenus pleuralis” is not universally used in textbooks, it is commonly considered a part of this group involved in both neck movement and assisting in breathing.

  • Nearby Structures:
    These muscles lie adjacent to major nerves (such as the brachial plexus) and blood vessels (like the subclavian artery) that supply your upper limbs, making any disorder in this area potentially impactful.

Origin and Insertion

  • Origin:
    The muscle fibers typically begin on the side processes of the cervical vertebrae (often C3–C6).

  • Insertion:
    They generally attach to the first and second ribs, helping with rib elevation during breathing.

Blood Supply

  • The scalene muscle group receives blood from branches of the costocervical trunk and deep cervical arteries, ensuring these muscles get enough oxygen and nutrients.

Nerve Supply

  • Innervated by branches from the cervical spinal nerves (commonly C5–C7), these nerves coordinate muscle contractions and respond to nerve signals.

Key Functions

  1. Neck Stabilization: Supports head weight and stabilizes the neck.

  2. Rib Elevation: Assists in lifting the first and second ribs during deep inspiration.

  3. Assisting Breathing: Works as an accessory muscle in breathing, especially when extra effort is needed.

  4. Lateral Flexion of the Neck: Aids in bending the neck from side to side.

  5. Posture Maintenance: Helps maintain proper head alignment and overall posture.

  6. Protection of Neurovascular Structures: Provides a cushion and support for nerves and blood vessels that pass through the neck region.


Types of Scalenus Pleuralis Disorders

While specific disorders of the scalenus pleuralis are less commonly described than, for example, thoracic outlet syndrome, issues with these muscles can manifest as a variety of clinical conditions, including:

  • Muscle Strain: Overstretching or overuse leading to pain and tightness.

  • Myofascial Pain Syndrome: Chronic pain caused by trigger points (knots) in the muscle.

  • Spasms: Involuntary muscle contractions causing stiffness and discomfort.

  • Tension Myositis Syndrome: Pain that may be related to stress or psychological factors.

  • Scalene Syndrome: Compression of nerves or blood vessels due to tight or hypertrophied scalene muscles.

  • Inflammatory Conditions: Such as tendinitis or myositis, resulting from injury or systemic inflammation.

  • Neuropathic Disorders: When nerve entrapment or irritation is involved.

  • Muscular Imbalance: Results from overuse of one side or compensatory patterns due to cervical spine issues.

  • Post-Traumatic Fibrosis: Scarring after trauma or surgery that affects muscle function.

  • Hypertrophy or Atrophy: Abnormal enlargement or wasting of muscle tissue due to chronic stress or nerve issues.


Causes of Scalenus Pleuralis Disorders

The following list of 20 potential causes explains why these muscle disorders might develop:

  1. Repetitive Strain: Constant repetitive movements such as those from desk work.

  2. Poor Posture: Slouching or awkward head positions.

  3. Neck Trauma: Injuries from accidents or sports.

  4. Overuse: Excessive use of the neck muscles during physical activity.

  5. Occupational Injuries: Work-related stress from manual labor or long periods at a computer.

  6. Stress and Tension: Emotional stress can lead to muscle tightness.

  7. Sedentary Lifestyle: Lack of movement weakens neck muscles.

  8. Degenerative Changes: Age-related changes in cervical vertebrae and joints.

  9. Cervical Disc Herniation: Can cause compensatory muscle strain.

  10. Anxiety: Can lead to chronic muscle tension in the neck.

  11. Sports Injuries: Particularly in contact sports.

  12. Whiplash Injuries: From car accidents.

  13. Prolonged Computer Use: Leads to neck fatigue and strain.

  14. Improper Ergonomics: Unsuitable work environment setup.

  15. Muscle Imbalances: Unequal strength or flexibility among neck muscles.

  16. Arthritis: Inflammation in the cervical spine that affects muscle function.

  17. Infections: Such as myositis from bacterial or viral sources.

  18. Nutritional Deficiencies: Inadequate vitamins or minerals affecting muscle health.

  19. Cold Exposure: Can cause muscle stiffness and strain.

  20. Genetic Predisposition: Familial or hereditary factors influencing muscle resilience.


Symptoms of Scalenus Pleuralis Disorders

Understanding the symptoms can help in early detection and treatment. Common signs include:

  1. Neck Pain: Persistent or intermittent discomfort.

  2. Shoulder Pain: May extend into the shoulders.

  3. Radiating Pain: Pain that travels down the arm.

  4. Tingling Sensations: Numbness in the arms or fingers.

  5. Muscle Stiffness: Reduced flexibility in the neck.

  6. Limited Neck Movement: Difficulty turning or tilting the head.

  7. Headaches: Can be triggered by muscle tension.

  8. Dizziness: Sensation of light-headedness.

  9. Muscle Spasms: Involuntary contractions causing sharp pain.

  10. Difficulty Breathing: In severe cases, if breathing mechanics are affected.

  11. Muscle Fatigue: Feeling of constant tiredness in the neck area.

  12. Tightness at the Base of the Skull: May cause discomfort in the upper neck.

  13. Aching Muscles: Generalized soreness.

  14. Pain Worsening with Movement: Increased pain during physical activity.

  15. Arm Weakness: Reduced strength in the upper limbs.

  16. Tenderness on Palpation: Pain when pressing the neck.

  17. Swelling: Visible or palpable swelling in the neck region.

  18. Postural Imbalances: Changes in natural head or shoulder position.

  19. Difficulty Lifting Arms: Especially above the head.

  20. Sensitivity to Touch: Increased pain when the area is touched.


Diagnostic Tests for Scalenus Pleuralis Disorders

A wide range of tests can help diagnose these conditions. These include:

  1. Medical History Review: Detailed discussion of symptoms and past injuries.

  2. Physical Examination: Assessing movement, tenderness, and muscle tone.

  3. Palpation of Neck Muscles: Feeling the neck for tight areas or trigger points.

  4. Range of Motion Tests: Evaluating how far you can move your neck.

  5. Neurological Examination: Testing nerve function in the neck and arms.

  6. Posture Assessment: Looking for misalignments or imbalances.

  7. X-rays: To check for bone abnormalities.

  8. Magnetic Resonance Imaging (MRI): Provides detailed images of soft tissues.

  9. Computed Tomography (CT) Scan: Offers cross-sectional views of neck structures.

  10. Ultrasound Imaging: Visualizes muscle and soft tissue conditions.

  11. Electromyography (EMG): Measures electrical activity in muscles.

  12. Nerve Conduction Studies: Assesses the speed and strength of nerve signals.

  13. Blood Tests: To rule out systemic inflammation.

  14. Inflammatory Marker Tests: Checking for markers like C-reactive protein.

  15. Dynamic Contrast-Enhanced MRI: For more detailed tissue analysis.

  16. Cervical Spine Assessment: Specific tests to examine vertebral alignment.

  17. Scalene Muscle Tension Test: Evaluates muscle tightness.

  18. Doppler Ultrasound: Checks blood flow in nearby vessels.

  19. Bone Scans: Identify areas of increased activity that might point to injury.

  20. Diagnostic Injections: Local anesthetic injections can help pinpoint pain origin.


Non‐Pharmacological Treatments

Many patients find relief through non‐drug methods. Consider these 30 approaches:

  1. Physical Therapy: Targeted exercises to strengthen and stretch the muscles.

  2. Stretching Exercises: Daily routines to improve flexibility.

  3. Strengthening Exercises: Build muscle endurance to support neck structures.

  4. Neck Massages: To reduce tension and improve blood flow.

  5. Heat Therapy: Warm packs relax tight muscles.

  6. Cold Therapy: Ice packs reduce inflammation during flare-ups.

  7. Postural Correction: Learning proper alignment to ease muscle strain.

  8. Ergonomic Adjustments: Modifying your workstation to reduce stress.

  9. Trigger Point Therapy: Specialized massage techniques to release muscle knots.

  10. Acupuncture: Insertion of fine needles to relieve pain.

  11. Yoga: Gentle stretches and poses that enhance neck flexibility.

  12. Pilates: Core and neck exercises to improve overall posture.

  13. Relaxation Techniques: Methods such as deep breathing to decrease stress.

  14. Breathing Exercises: Specific routines to optimize rib elevation and airflow.

  15. Meditation: Helps reduce overall tension and stress.

  16. Manual Therapy: Hands-on treatments to mobilize neck joints.

  17. Myofascial Release: Techniques to relax tight muscle membranes.

  18. Transcutaneous Electrical Nerve Stimulation (TENS): Low-voltage electrical current to decrease pain.

  19. Ultrasound Therapy: Deep heat to promote muscle healing.

  20. Dry Needling: Inserting thin needles into trigger points.

  21. Corrective Exercises: Tailored routines to fix muscle imbalances.

  22. Chiropractic Care: Spinal adjustments to improve alignment.

  23. Biofeedback: Training to control muscle tension.

  24. Balance Training: Exercises to improve overall stability.

  25. Core Stabilization Exercises: Strengthening the core to support neck muscles.

  26. Facet Joint Mobilization: Gentle movement techniques to ease joint restrictions.

  27. Active Stretching Routines: Encourage dynamic movement in the neck.

  28. Postural Training: Activities to reinforce correct alignment throughout the day.

  29. Lifestyle Modifications: Incorporating regular movement breaks.

  30. Hydrotherapy: Exercises in warm water to reduce muscle load.


Drugs That May Be Used

Depending on severity and individual circumstances, doctors sometimes prescribe medications to relieve pain and reduce inflammation. These include:

  1. NSAIDs (Nonsteroidal Anti-Inflammatory Drugs): Such as ibuprofen and naproxen.

  2. Acetaminophen: For mild-to-moderate pain relief.

  3. Muscle Relaxants: For example, cyclobenzaprine to relieve muscle spasm.

  4. Oral Corticosteroids: To reduce severe inflammation.

  5. Topical Analgesics: Creams applied to the skin over the painful area.

  6. Topical NSAIDs: Gels or patches to deliver medication directly to the muscle.

  7. Tricyclic Antidepressants: Prescribed in low doses for chronic pain management.

  8. Gabapentin: For managing neuropathic (nerve-related) pain.

  9. Pregabalin: Another option for nerve pain relief.

  10. Benzodiazepines: Short-term use for severe spasms.

  11. Aspirin (Acetylsalicylic Acid): To manage mild pain.

  12. COX-2 Inhibitors: Such as celecoxib for targeted inflammation reduction.

  13. Opioid Analgesics: In very limited cases for severe pain (used with caution).

  14. Diclofenac: Another NSAID option.

  15. Indomethacin: Useful in certain inflammatory conditions.

  16. Naproxen Sodium: A form of naproxen with a quicker onset.

  17. Capsaicin Cream: A topical option that can help reduce pain signals.

  18. Lidocaine Patches: Provide localized, temporary numbing.

  19. Anti-inflammatory Supplements: Under medical supervision, such as omega-3s.

  20. Combination Medications: Sometimes a combination of muscle relaxants and analgesics is used.


Surgical Interventions

Surgery is rarely the first choice for treating scalene muscle disorders. In severe, refractory cases—especially when related to thoracic outlet syndrome—surgical options may be considered:

  1. Scalene Muscle Resection (Scalenectomy): Removal of a portion of the muscle to relieve nerve or vessel compression.

  2. First Rib Resection: Often performed alongside muscle resection to further decompress neurovascular structures.

  3. Neurolysis of the Brachial Plexus: Freeing the nerve from surrounding scar tissue.

  4. Decompression Surgery: To relieve pressure on nerves and blood vessels.

  5. Cervical Rib Removal: In cases where an extra rib contributes to compression.

  6. Minimally Invasive Endoscopic Decompression: A less invasive approach to free the compressed structures.

  7. Posterior Cervical Fusion: When instability contributes to chronic muscle issues.

  8. Microscopic Decompression: Using microsurgical techniques for precision.

  9. Removal of Fibrous Bands: Cutting away band-like tissue that compresses nerves.

  10. Combined Decompression Procedures: A mix of the above techniques tailored to the patient’s specific issues.


Preventive Measures

Taking steps to prevent scalenus pleuralis muscle disorders is as important as treatment. Here are ten strategies:

  1. Maintain Proper Posture: Use ergonomic chairs and proper sitting techniques.

  2. Regular Stretching: Incorporate daily neck stretches.

  3. Strengthening Exercises: Build overall neck and shoulder strength.

  4. Ergonomic Workstation: Optimize your desk, chair, and computer screen setup.

  5. Frequent Breaks: Avoid prolonged periods of sedentary behavior.

  6. Stress Management: Practice relaxation techniques and regular exercise.

  7. Avoid Prolonged Neck Positions: Adjust your activities to avoid sustained awkward positions.

  8. Healthy Diet: Ensure adequate nutrition to support muscle health.

  9. Weight Management: Maintain a healthy weight to reduce undue stress on muscles.

  10. Regular Medical Checkups: Early identification of muscle tension or posture issues can prevent chronic problems.


When to See a Doctor

It is important to seek professional advice if you experience any of the following:

  • Persistent Neck Pain: Lasting more than one week without improvement.

  • Radiating Pain: Pain that extends into the shoulder, arm, or hand.

  • Numbness or Tingling: Especially if accompanied by muscle weakness.

  • Difficulty Breathing: When pain seems to affect your ability to breathe.

  • Severe Stiffness: That limits your neck movement.

  • No Improvement with Home Treatments: If physical therapy and lifestyle changes fail.

  • Impact on Daily Activities: When pain interferes significantly with work or personal life.


Frequently Asked Questions (FAQs)

  1. What is the scalenus pleuralis muscle?
    It is part of the scalene muscles in your neck that help stabilize your head, assist in breathing, and support neck movement.

  2. Where is it located?
    It is located along the sides of your neck, originating from the cervical vertebrae and attaching to the upper ribs.

  3. What are its main functions?
    It helps with neck stabilization, elevating the upper ribs during breathing, lateral neck movements, and supporting overall posture.

  4. What can cause disorders in this muscle?
    Causes include repetitive strain, poor posture, neck trauma, muscle overuse, and stress, among others.

  5. What are the common symptoms?
    You might experience neck pain, stiffness, radiating pain into the arm, tingling sensations, headaches, and limited neck movement.

  6. How is a diagnosis made?
    Diagnosis is based on your medical history, physical examination, imaging studies (like X-rays or MRI), and sometimes nerve tests.

  7. Are non-drug treatments effective?
    Yes, many people benefit from physical therapy, stretching, ergonomic adjustments, and other non-pharmacological approaches.

  8. Which medications are commonly used?
    Over-the-counter NSAIDs, acetaminophen, and in some cases, muscle relaxants or topical analgesics may be prescribed.

  9. When is surgery recommended?
    Surgery is considered only when conservative treatments do not help, especially in severe cases like thoracic outlet syndrome.

  10. Can these disorders affect breathing?
    Yes, especially if the muscle tension compresses nerves or blood vessels, which can interfere with normal breathing.

  11. How long is the recovery time?
    Recovery may take a few weeks to several months, depending on the severity and treatment method.

  12. Is physical therapy beneficial?
    Yes, physical therapy can be very effective for improving range of motion and reducing pain.

  13. What lifestyle changes can help prevent these disorders?
    Maintaining proper posture, regular exercise, stress management, and ergonomic adjustments are all key preventive steps.

  14. Are there any risks associated with surgery?
    As with all surgeries, risks include infection, nerve damage, and the possibility of incomplete relief.

  15. When should I seek immediate medical attention?
    If you experience sudden severe pain, significant weakness, or difficulty breathing, it’s important to see a doctor promptly.


Conclusion

Scalenus pleuralis muscle disorders, though not as commonly discussed as other neck issues, can significantly impact daily activities and overall well-being. Understanding the anatomy, underlying causes, and a wide range of treatment and prevention options is essential. With proper diagnosis, a tailored treatment plan—including physical therapy, medication, and in severe cases, surgery—patients can experience relief and return to normal activities. Consistent posture, ergonomic practices, and early intervention are key to managing and preventing these disorders.

Disclaimer: Each person’s journey is unique, treatment plan, life style, food habit, hormonal condition, immune system, chronic disease condition, geological location, weather and previous medical  history is also unique. So always seek the best advice from a qualified medical professional or health care provider before trying any treatments to ensure to find out the best plan for you. This guide is for general information and educational purposes only. Regular check-ups and awareness can help to manage and prevent complications associated with these diseases conditions. If you or someone are suffering from this disease condition bookmark this website or share with someone who might find it useful! Boost your knowledge and stay ahead in your health journey. We always try to ensure that the content is regularly updated to reflect the latest medical research and treatment options. Thank you for giving your valuable time to read the article.

The article is written by Team Rxharun and reviewed by the Rx Editorial Board Members

Last Update: April 13, 2025.

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