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Spinal Stenosis

Spinal stenosis can make everyday activities such as walking, standing, and even sleeping increasingly difficult due to pain, numbness, or weakness caused by narrowing of the spinal canal. While these symptoms can be frustrating, surgery is not the first or only solution. For many people, physical therapy (PT) is the recommended first-line treatment because it can effectively reduce pain, improve mobility, restore strength, and help you return to the activities you enjoy. Physical therapists (PTs) are movement experts who identify the underlying factors contributing to your symptoms, develop personalized treatment plans, and recognize when additional medical evaluation or surgical consultation may be appropriate if conservative care is unsuccessful.

Table of Contents

Spinal stenosis is a condition in which the spaces within the spine become narrowed, placing pressure on the spinal cord or nearby nerve roots. It most commonly develops as part of the natural aging process and typically affects adults over the age of 50, although younger individuals can also develop spinal stenosis due to injury, congenital conditions, or other spinal disorders.1,2

The condition most frequently occurs in the lumbar spine (lower back) and the cervical spine (the neck).   

  • Lumbar Spinal Stenosis: The most common form and often causes pain, numbness, weakness, or cramping in the buttocks and legs, particularly during standing or walking. 
  • Cervical Spinal Stenosis: Affects the neck and may lead to neck pain, arm pain, numbness, weakness, balance deficits, or, in more severe cases, compression of the spinal cord (myelopathy), which can affect walking, coordination, and hand function.1 

Degenerative changes that contribute to spinal stenosis are extremely common with age. Imaging studies show that many adults over the age of 60 have some degree of spinal narrowing, although not everyone develops symptoms. Symptomatic lumbar spinal stenosis is estimated to affect approximately 11% of older adults and is one of the leading reasons adults over the age of 65 undergo spinal surgery.3 

Symptoms can significantly impact daily life. Many individuals experience difficulty walking long distances, standing for extended periods, climbing stairs, exercising, or participating in hobbies they enjoy. Everyday activities such as grocery shopping or household chores may become increasingly difficult as symptoms progress. 

Fortunately, surgery is not the first step for most people. Clinical practice guidelines recommend conservative treatment, such as PT, as the initial approach for many individuals with spinal stenosis. PTs are movement experts who can identify the cause of your symptoms, determine whether PT is appropriate, recognize signs that require medical referral, and develop an individualized treatment plan to reduce pain, improve mobility, and help you return to daily activities. Many patients experience meaningful improvements with PT and may delay or even avoid surgery altogether.1 

Anatomical model of spine on table in manual therapist's office. Adult man patient during spinal exam by physiotherapist on background, soft focus

Causes of Spinal Stenosis

Spinal stenosis most often develops gradually as part of the body’s natural aging process. Over time, the structures of the spine undergo degenerative changes that can narrow the spinal canal or openings where spinal nerves exit the spine. 

Common causes include: 

  • Degenerative disc disease and loss of disc height
  • Disc bulging or herniation
  • Arthritis of the facet joints
  • Bone spur (osteophyte) formation 
  • Thickening of the spinal ligaments, particularly the ligamentum flavum 
  • Degenerative spondylolisthesis (slipping of one vertebrae over another) 
  • Congenitally narrow spinal canal Previous spinal injuries or surgery 
  • Less commonly, tumors, infections, or inflammatory conditions1

Not all spinal stenosis is the same. Symptoms often depend on where the narrowing occurs. 

Central Canal Stenosis 

Central canal stenosis occurs when the main spinal canal narrows, reducing the available space for the spinal cord (in the cervical spine) or the cauda equina nerve roots (in the lumbar spine). 

Because multiple nerves may be affected simultaneously, central stenosis often produces symptoms on both sides of the body. In the lumbar spine, this commonly leads to neurogenic claudication, characterized by pain, heaviness, numbness, tingling, or weakness in both legs that worsens with standing or walking and improves with sitting or bending forward. Many patients notice they can walk farther when leaning on a shopping cart or using a walker because this slightly opened the spinal canal.4

In the cervical spine, significant central stenosis may compress the spinal cord, resulting in cervical myelopathy. Symptoms can include hand clumsiness, difficulty with fine motor tasks, balance problems, changes in walking, muscle weakness, increased reflexes, or bowel and bladder dysfunction in severe cases. Cervical myelopathy is considered a more serious condition and requires prompt medical evaluation.5 

Lateral Recess and Foraminal Stenosis 

The spinal nerves exit the spine through small openings called the foramina Narrowing of these openings is known as foraminal stenosis, while narrowing just before the nerve exits is called lateral recess stenosis. 

These forms of stenosis typically affect an individual nerve root rather than multiple nerves, resulting in radiculopathy–pain, numbness, tingling, or weakness that follows a specific nerve distribution. Symptoms are often unilateral, affecting only one arm or one leg depending on the level involved. For example, cervical foraminal stenosis may cause pain, numbness, or weakness radiating into the shoulder, arm or hand whereas lumbar foraminal stenosis commonly causes pain that travels into the buttock, thigh, calf, or foot. 

Although symptoms may overlap with central stenosis, foraminal stenosis often produces more localized nerve pain and neurological symptoms corresponding to the compressed nerve root.1

Symptoms of Spinal Stenosis​

Symptoms vary depending on the location and severity of the spinal narrowing, as well as which nerves are affected. Some individuals have mild symptoms that develop gradually over many years, while others experience more noticeable limitations in walking. Balance, or daily activities. 

Symptoms of Central Spinal Stenosis 

Central stenosis often affects multiple nerve roots or the spinal cord, resulting in symptoms that may occur on both sides of the body. 

Lumbar central stenosis commonly causes:

  • Pain or aching in the lower back
  • Bilateral leg pain, numbness, or tingling
  • Leg weakness or heaviness with prolonged walking
  • Neurogenic claudication that worsens with standing or walking
  • Improved symptoms when sitting, bending forward, or leaning on a shopping cart5 
  • Reduced walking endurance

Cervical central stenosis may cause:

  • Neck pain
  • Pain, numbness, or weakness in both arms
  • Difficulty with balance or walking
  • Hand clumsiness or loss of fine motor coordination
  • Changes in bowel or bladder function in advanced cases
  • Signs of cervical myelopathy requiring prompt medical evaluation5

Symptoms of Foraminal or Lateral Recess Stenosis

When narrowing compresses a single nerve root, symptoms typically occur on one side of the body and follow the path of the affected nerve. 

Common symptoms include: 

  • Radiating arm or leg pain 
  • Numbness or tingling
  • Muscle weakness
  • Burning or electric shock-like pain 
  • Symptoms that correspond to a specific cervical or lumbar nerve root
  • Pain that often worsens with standing, walking, or certain spinal positions 

While many symptoms improve with conservative treatment, certain findings, including rapidly progressing, weakness, bowel or bladder dysfunction or significant balance changes, require immediate medical attention.

A PT can perform a thorough examination to determine whether your symptoms are consistent with spinal stenosis, identify movement patterns contributing to pain, screen for signs that require referral to a physician, and develop a personalized treatment plan to improve mobility and function Early evaluation often allows treatment to begin before symptoms become more severe. 

Diagnosing Spinal Stenosis

If you are experiencing persistent back or neck pain, numbness, weakness, or difficulty walking, a PT is often the best healthcare provider to first evaluate your symptoms. Through direct access, patients can begin PT without first obtaining a physician referral. PTs are highly trained to identify musculoskeletal conditions like spinal stenosis while also recognizing signs and symptoms that require referral to a physician or emergency medical care.2 During your evaluation, your PT will perform a comprehensive examination that may include: 
  • Reviewing your medical history and symptom pattern 
  • Measuring spinal and hip range of motion (ROM) 
  • Assessing muscle strength and key muscle groups (myotomes) 
  • Evaluating sensation reflexes, balance, and walking mechanics
  • Performing repeated movement testing to determine whether certain positions or movements increase or decrease your symptoms
  • Identifying activities that improve or worsen your pain 
Your PT will also screen for red flags, such as rapidly worsening weakness, bowel or bladder dysfunction, or signs of cervical myelopathy, which require prompt medical evaluation.  If your symptoms suggest spinal stenosis or fail to improve with conservative treatment, your physician may recommend imaging. Magnetic resonance imaging (MRI) is the preferred test because it clearly shows narrowing of the spinal canal, nerve compression, discs, ligaments and other soft tissues, Imaging findings should always be interpreted alongside your symptoms and physical examination, as many adults have spinal narrowing on MRI without experiencing pain.1
A PT checking a patients back as she stands pointing out where the pain is located

Non-Surgical Treatment Options:

For most individuals, conservative treatment is recommended before considering surgery. Research consistently supports beginning with PT to reduce pain, improve mobility, increase walking tolerance, and restore function.1 During your evaluation, your PT will perform a comprehensive examination that may include: 
  • Exercises to improve flexibility, strength, and endurance
  • Mobility exercises for the hips and thoracic spine to reduce stress on the affected spinal region 
  • Strengthening of the gluteal and core muscles to improve spinal support 
  • Balance and gait training when walking stability is affected
  • Graded exposure to gradually increase tolerance for walking, standing and other daily activities 
  • Education on posture, body mechanics, and activity modification 
Some patients may also benefit from over-the-counter anti-inflammatory medications, if appropriate and recommended by their healthcare provider, to help manage symptoms during rehabilitation.

Surgical Treatment Options:

Surgery is generally reserved for individuals with severe neurological deficits, progressive weakness, significant spinal cord compression, or persistent symptoms that continue to limit daily activities despite conservative treatment, including PT.1 The two most common surgical procedures are: 
  • Decompression surgery (laminectomy or laminotomy): Removes portions of bone or thickened tissue to create more space for the spinal cord or nerves. 
  • Spinal fusion: Joins two or more vertebrae together to improve spinal stability when instability or spondylolisthesis is present. 
While surgery can improve symptoms for appropriately selected patients, it also carries risks and requires rehabilitation afterward. For many individuals, PT provides meaningful symptom relief and may delay or eliminate the need for surgery.

Preventing Spinal Stenosis

Because spinal stenosis is largely related to normal age-related changes, it cannot always be prevented. However, maintaining a healthy lifestyle can help slow functional decline, reduce symptom severity, and improve your ability to stay active. 

Helpful habits include: 

  • Staying physically active with regular exercise
  • Maintaining strength in the core, hips, and legs
  • Preserving spinal, hip, and thoracic mobility 
  • Maintaining a healthy body weight to reduce stress on the spine
  • Reducing or modifying symptom provoking positions
  • Addressing new symptoms early before they become more limiting 

Rather than focusing on preventing the natural aging process, the goal is to maintain mobility, strength, and independence for as long as possible. Early evaluation by a PT can identify movement limitations, improve function, and help you continue participating in the activities that matter most. 

Rear view of an older couple walking on a leaf-strewn path in an autumn park. The woman wears a blue jacket around her waist, and the man wears a grey hoodie.

Living with Spinal Stenosis

Although spinal stenosis is often a chronic condition, it does not mean you have to stop doing the activities you enjoy. Many people successfully manage their symptoms and maintain an active lifestyle with the right combination of exercise education, and activity modification. 

During symptom flare-ups, it can be helpful to change positions frequently, take short walking breaks instead of prolonged standing, avoid activities that significantly increase symptoms, and continue gentle movement rather than prolonged bed rest. Maintaining overall strength, flexibility, and cardiovascular fitness can also help improve function over time. 

Because every person experiences spinal stenosis differently, treatment should be individualized to your symptoms, goals, and activity level. Working with a PT can help you safely progress your activity, manage flare-ups, and stay active for the long term. If your symptoms change or worsen, your PT can determine whether additional medical evaluation is appropriate. 

Physical Therapy for Spinal Stenosis

PT is considered a first-line treatment for many individuals with spinal stenosis and is designed to reduce pain, improve mobility, restore strength, and help you return to activities that matter most. 

Your PT will begin with a comprehensive evaluation of your symptoms, mobility, strength, balance, walking mechanics, and functional limitations before developing a personalized treatment plan. Treatment may include flexibility and mobility exercises, strength strengthening of the core and lower extremities, balance, and gait training, manual therapy, and education on posture, body mechanics, and symptom management. As your symptoms improve, exercises are progressively advanced to increase walking tolerance, function, and confidence.

At Confluent Health, our PT’s work closely with each patient to create an evidence-based rehabilitation program that aligns with their goals. Throughout treatment, we monitor your progress and adjust your program as needed to maximize recovery. Many individuals are able to reduce pain, improve their mobility, and return to everyday activities without surgery, although those who ultimately require surgery often achieve better postoperative outcomes when they have participated in PT beforehand.1

Frequently Asked Questions

If you have spinal stenosis, avoid prolonged activity or bedrest, as this can lead to stiffness, muscle, weakness, and worsening symptoms. It’s also important to avoid repetitively, pushing through activities that significantly increase your pain, numbness, or weakness. A PT can help you modify activities and develop a safe exercise program that keeps you active while minimizing symptom flare-ups.

Many people find relief through conservative treatments, such as PT, targeted strengthening and mobility exercises, activity, modification, and over-the-counter anti-inflammatory medications when appropriate. A PT can develop a personalized treatment plan to improve mobility, reduce nerve irritation, increase walking tolerance, and help you return to your daily activities with less pain.

Resources

    1. https://www.spine.org/Research-Clinical-Care/Quality-Improvement/Clinical-Guidelines
    2. https://www.choosept.com/guide/physical-therapy-guide-lumbar-spinal-stenosis
    3. https://www.nejm.org/doi/full/10.1056/NEJMcp0708097
    4. https://www.sciencedirect.com/science/article/pii/S1521694210000146https://journals.sagepub.com/home/gsj

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