Dominic Stone
Cervical stenosis, or the narrowing of the spinal canal in the neck region, can result in a myriad of symptoms, including pain, weakness, numbness, and clumsiness. While cervical stenosis is often associated with these neurological symptoms, there is also a potential link between cervical stenosis and muscle atrophy, specifically the atrophy of multifidus muscles. Muscle atrophy is a common pathogenic condition associated with lumbar spinal stenosis, and it is believed that the compression of nerve roots in the stenotic segment may lead to muscle atrophy. Treatments for cervical stenosis range from manual therapy and heat therapy to surgical procedures such as laminectomy and laminoplasty, which aim to decompress the spinal canal and alleviate pressure on the spinal cord and nerve roots.
| Characteristics | Values |
|---|---|
| Definition | Spinal stenosis is the narrowing of the spinal canal containing the spinal cord and its nerve branches. |
| Types | Cervical, thoracic, and lumbar spinal stenosis |
| Causes | Degeneration of the joints in the spine, wear and tear, arthritis, spondylosis, disk herniation, ligamentum flavum ossification, and more. |
| Symptoms | Weakness, numbness, tingling, pain in the extremities, balance issues, coordination issues, dropping objects, clumsiness, leg pain, and bowel/bladder dysfunction. |
| Treatment | Surgery (laminectomy, laminotomy, laminoplasty, foraminotomy), physical therapy, external bracing, manual therapy, heat therapy, and exercises. |
| Muscle Atrophy | Muscle atrophy is associated with lumbar spinal stenosis and low back pain. The atrophy of multifidus muscles has been linked to cervical stenosis, but the causal relationship is still controversial. |
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What You'll Learn
Cervical stenosis causes
Cervical stenosis is a condition characterised by the narrowing of the spinal canal in the neck region. This narrowing can lead to compression of the spinal cord and nerve roots, resulting in symptoms such as weakness, numbness, tingling, and pain in the arms. It may also cause cervical myelopathy, leading to balance issues, coordination problems, and clumsiness. The condition is commonly seen in adults over 50 and can arise from degenerative changes, traumatic injuries, inflammatory conditions, herniated discs, or tumours.
Cervical spinal stenosis occurs when the bony openings (foramina) within the neck narrow, reducing the space available for nerves and the spinal cord. While rare, cervical stenosis can progress to spinal cord compression, resulting in neurological deficits called myelopathy. Myelopathy typically worsens over time and may lead to permanent disability if not addressed.
Cervical stenosis can be congenital, with individuals having a narrowed spinal canal from birth, or acquired due to degeneration of the joints in the spine. Disk herniation, osteophyte formation, hypertrophy of articular facets, ligamentum flavum, and ossification of posterior longitudinal ligaments can contribute to central and foraminal stenosis. Structural factors, such as subluxation from disk and facet joint degeneration, and changes in the normal lordotic curvatures of the spine, can also lead to spinal compression.
Additionally, cervical stenosis may result from traumatic injuries, inflammatory conditions, or tumours affecting the spine. These factors can contribute to the narrowing of the spinal canal and subsequent compression of the spinal cord or nerve roots.
The symptoms of cervical stenosis can vary in severity and may include neck pain, stiffness, and numbness or tingling in the arms and hands. It can also lead to reduced fine motor skills, making tasks like writing, buttoning shirts, or typing more difficult. In more severe cases, cervical stenosis may cause bowel and bladder dysfunction.
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Muscle atrophy symptoms
Muscle atrophy is the loss of skeletal muscle mass. It can be caused by immobility, aging, malnutrition, medications, or a wide range of injuries or diseases that impact the musculoskeletal or nervous system. The hallmark sign of muscle atrophy is reduced muscle mass. However, symptoms vary widely depending on the cause and severity of muscle loss.
Symptoms of muscle atrophy include:
- One limb being smaller than the other
- Weakness in one arm or leg
- Numbness or tingling in the limbs
- Trouble walking or balancing
- Difficulty swallowing or speaking
- Increased weakness, which may result in difficulty or inability to perform physical tasks depending on what muscles are affected
- Difficulty standing from a seated position, climbing stairs, and increased falls
- Difficulty breathing
Disuse atrophy occurs when muscles are not used enough and is usually reversible with exercise and a healthy diet. Neurogenic atrophy occurs due to nerve problems or diseases and is typically not reversible due to physical damage to the nerves.
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Diagnosis and treatment
Cervical stenosis is a condition characterised by the narrowing of the spinal canal in the neck region, which can lead to compression of the spinal cord and nerve roots. Diagnosis of cervical stenosis typically involves imaging, with an MRI being the preferred technique to determine the level and degree of stenosis.
Treatment options for cervical stenosis range from non-operative treatments to surgical procedures. Non-operative treatments include physical therapy, which can help reduce pain and increase the patient's function and flexibility. Cardiovascular exercises for the arms and legs can improve blood circulation and enhance endurance. Aquatic exercises allow for movement without putting pressure on the spine. Stretching exercises can restore flexibility to the muscles of the neck, trunk, arms, and legs. Manual therapy, such as cervical and thoracic joint manipulation, can improve or maintain the range of motion. Heat therapy can improve blood circulation to the muscles and soft tissues.
For more severe cases of cervical stenosis, surgery may be recommended. The most common type of surgery is laminectomy, which involves removing the lamina, a portion of the vertebra, to create more room for the spinal cord and nerves. Laminoplasty involves the use of metal hardware in the neck vertebrae to form a bridge within the open section of the spine. Minimally invasive procedures include hemilaminectomy/hemilaminotomy, which can be performed as day surgery. Anterior cervical discectomy is a procedure that decompresses the cervical spine from the front. In some cases, spinal decompression surgery may be recommended to reduce the risk of cervical myelopathy progressing to the point of causing permanent disability.
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Lifestyle changes
Spinal stenosis is a condition characterized by the narrowing of the spinal canal, which can occur in the cervical (neck), thoracic (middle back), or lumbar (lower back) regions. Cervical stenosis can lead to compression of the spinal cord and nerve roots, resulting in symptoms such as weakness, numbness, tingling, and pain in the arms. While there are surgical treatments available for cervical stenosis, lifestyle changes can also play a crucial role in managing and preventing the condition. Here are some lifestyle changes that may help individuals with cervical stenosis:
Exercise and Physical Therapy
Regular exercise and physical therapy can help improve symptoms and slow the progression of cervical stenosis. Specific strengthening exercises for the arm, trunk, and leg muscles can be beneficial. Aquatic exercises, such as swimming and water aerobics, are excellent low-impact options that provide gentle resistance and allow for movement without putting pressure on the spine. Walking and biking are also recommended, as they help maintain mobility and muscle strength without exerting significant impact on the spine.
Stretching
Stretching is important for maintaining or improving the range of motion in the cervical and thoracic spine. A simple stretch involves lying on your back with bent knees, inhaling, and then gently bringing your knees to your chest on the exhale. Hold this position for 30 seconds while breathing deeply.
Manual Therapy and Heat Therapy
Manual therapy, including cervical and thoracic joint manipulation, can help improve the range of motion in the affected areas. Heat therapy is also beneficial, as it improves blood circulation to the muscles and soft tissues.
Cardiovascular Exercises
Cardiovascular exercises for the arms and legs can enhance endurance, promote good physical conditioning, and improve blood circulation.
Vitamin Supplements
Certain vitamins and minerals can help manage spinal stenosis. Magnesium, for example, is essential for bone strength, nerve function, muscle function, and energy production. Vitamin C is another beneficial supplement, as it is a powerful antioxidant that supports the immune system and promotes healthy collagen formation.
Proper Lifting, Pushing, and Pulling Techniques
Learning proper lifting, pushing, and pulling techniques can help prevent further strain on the spine and related structures.
It is important to consult with a healthcare professional before starting any new exercise routine or making significant lifestyle changes, especially if you have been diagnosed with cervical stenosis or any other spinal condition. They can provide personalized advice and guidance based on your specific condition and needs.
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Surgery options
Spinal stenosis is a complex condition and surgery is only considered if all other treatment options have been exhausted. The type of surgery depends on the location and severity of the stenosis.
The least invasive surgery for cervical stenosis involves an interspinous spacer device called "XSTOP". This procedure is typically done as day surgery. A spacer is placed between the spinous processes to decompress the thickened ligaments of the spine causing stenosis.
A more direct approach is a minimally invasive decompression via a hemilaminectomy/hemilaminotomy procedure. This surgery can be performed at one or multiple levels and may require a short hospital stay of one or two nights.
The most comprehensive decompression for stenosis is an open laminectomy, which may or may not be performed with spinal fusion. This typically requires a two- to five-day hospital stay. Laminectomy is the most common type of surgery for spinal stenosis and involves removing a portion of the vertebra to create more room for the spinal cord and nerves.
Cervical stenosis can also be treated with cervical laminoplasty, a specialised procedure that relieves pressure on the spinal cord in the neck. Unlike laminectomy, laminoplasty does not involve the removal of bone. Instead, the bone is reshaped and a hinged bridge is created using metal plates and screws. This procedure preserves the natural motion of the cervical spine.
Another option is to approach the cervical spine from the front (anterior) with an anterior cervical discectomy and fusion (ACDF). This procedure can be performed in a minimally invasive way to relieve pressure on the spinal cord and roots. It involves fusing the bones together, which does not preserve the motion of the spine.
Alternatively, a total disc replacement (TDR) can be performed from the front of the neck. This procedure removes the diseased disc material and replaces it with a special, mobile implant, relieving pressure on the spinal cord and preserving motion.
In some cases, surgery may be required from the back of the neck (posterior cervical decompression), with or without fusion. Postoperative physical therapy is often recommended to regain walking skills and daily living skills.
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Frequently asked questions
Cervical stenosis is a condition characterised by the narrowing of the spinal canal in the neck region. This narrowing can lead to compression of the spinal cord and nerve roots, potentially causing symptoms associated with cervical radiculopathy (nerve root compression) or cervical myelopathy (spinal cord compression).
Cervical stenosis can cause neck pain and spasms, as well as numbness or weakness in the arms or legs that can interfere with balance and walking. It may also lead to problems with bladder or bowel function.
Yes, cervical stenosis can cause muscle atrophy. Muscle atrophy is a common symptom of spinal stenosis and can lead to muscle weakness and disability.
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