Spinal Stenosis: Why Walking Hurts and Sitting Helps

By Nova Physical Therapy, an outpatient physical therapy clinic in North Hollywood, CA | Published November 2026

You can make it through the first few aisles at Trader Joe's, but by the back of the store your legs feel heavy, achy, or tingly. You lean on the shopping cart and it eases. At home, sitting down brings relief within a few minutes. Walking around the block has become something you plan around.

That pattern, leg symptoms with standing and walking that ease with sitting or bending forward, is a classic sign of lumbar spinal stenosis. This article explains what spinal stenosis is, why walking hurts and sitting helps, what research says about physical therapy compared with surgery, what a PT plan looks like, and which symptoms need urgent care.

The short answer

Lumbar spinal stenosis is a narrowing of the spaces around the nerves in the lower back, most often from age-related changes. It commonly causes pain, cramping, heaviness, or tingling in one or both legs when standing or walking, which eases when you sit or bend forward (Mayo Clinic). In a major randomized trial of 169 adults aged 50 and older who had already agreed to surgery, a six-week physical therapy program led to similar improvements in physical function at two years as decompression surgery (Delitto et al., 2015). Many people in the PT group still chose surgery later, so both options are reasonable to discuss with your surgeon. Loss of bladder or bowel control or numbness in the groin needs emergency care. In California, you can see a physical therapist without a referral.

What is spinal stenosis?

"Stenosis" means narrowing. In the lower back, the spinal canal and the openings where nerves exit can narrow over time. Common causes include (Mayo Clinic):

• Bone spurs from arthritis in the spine
• Bulging or herniated discs
• Thickened ligaments inside the spinal canal
• Less commonly, injury or a canal that is narrow from birth

Age is the main risk factor, and most people with spinal stenosis are over 50. Many people have narrowing on an MRI without any symptoms at all (Mayo Clinic).

Why does walking hurt and sitting help?

The space around the nerves changes with posture:

• Standing upright and walking arch the lower back slightly, which makes the space around the nerves a little smaller.
• Sitting and bending forward round the lower back, which opens that space and often eases symptoms.

That's why many people with stenosis:

• Feel better leaning on a shopping cart or walker
• Can ride a stationary bike longer than they can walk
• Find walking uphill easier than walking downhill
• Need to sit or bend forward for a few minutes before walking again

Leg pain with walking can also come from poor circulation in the legs. Symptoms that ease just by standing still, rather than sitting or bending forward, are worth mentioning to your physician.

Is physical therapy as good as surgery for spinal stenosis?

For many people, it's a reasonable first option. In the trial published in the Annals of Internal Medicine (Delitto et al., 2015; AAFP summary):

• 169 adults aged 50 and older with stenosis, all of whom had agreed to surgery, were randomly assigned to decompression surgery or physical therapy.
• The PT program ran twice a week for six weeks and focused on flexion-based exercise and general conditioning.
• At two years, physical function and quality of life had improved similarly in both groups.
• About 57% of the PT group went on to have surgery during the study, most within the first 10 weeks.
• Complications were more common in the surgery group.

In other words, physical therapy and surgery led to similar results on average, and many people started with PT and later chose surgery. The decision about surgery is one to make with a spine surgeon, based on your symptoms, goals, and test results.

What can I do at home?

• Stay active in positions that feel better, such as cycling, walking with a cart or poles, or water exercise.
• Use short walks with breaks. Walk until symptoms start to build, sit or bend forward, then go again.
• Try gentle flexion stretches, like knee-to-chest, if they ease your symptoms.
• Build hip and leg strength, which supports walking and balance.
• Keep moving overall. Long periods of inactivity can make walking harder over time.

Questions about medication, injections, or imaging are best directed to your physician.

How can physical therapy help?

A physical therapy evaluation may include:

• How far you can walk or stand before symptoms start
• Back and hip motion, and which positions ease symptoms
• Strength in the hips, legs, and trunk
• Balance and walking
• Screening for nerve changes and signs that need a physician's evaluation

A typical plan may include:

• Flexion-based exercises that open the space around the nerves
• Hip and leg strengthening and conditioning, such as cycling
• Hands-on treatment for the back and hips when it helps
• Walking and balance training, with strategies to walk farther
• A home program you can keep doing on your own

Physical therapy doesn't guarantee a specific result or timeline, and it can't promise you'll avoid surgery. If you do have surgery, physical therapy can also help you recover afterward.

At Nova Physical Therapy in North Hollywood, back pain and spine conditions, including spinal stenosis and degenerative disc disease, are among our core services, and every plan starts with an evaluation so treatment fits what we find. For related reading, see our posts on herniated discs and sciatica.

When should I see a doctor?

Get emergency care if you have:

• Loss of bladder or bowel control, or trouble urinating
• Numbness in the groin, buttocks, or inner thighs
• Sudden or rapidly worsening weakness in one or both legs

See a physician promptly if you have:

• Leg weakness or foot drop that's getting worse
• Frequent falls or trouble with balance
• Fever, unexplained weight loss, or a history of cancer
• Pain at rest or at night that doesn't ease with changing position
• Leg pain with walking that eases just by standing still, which can point to a circulation problem

We screen for these signs during every evaluation and refer you to a physician when findings call for medical assessment.

Do I need a referral for physical therapy in California?

Not to get started. California allows direct access to physical therapy. A physical therapist can evaluate and treat you without a referral for up to 45 calendar days or 12 visits, whichever comes first. After that, a physician or podiatrist needs to sign the plan of care for treatment to continue. Your insurance plan may have its own referral rules, so check your coverage or see our insurance page.

Frequently asked questions

What does spinal stenosis feel like?
Many people feel pain, cramping, heaviness, numbness, or tingling in the buttocks or legs when standing or walking, which eases when they sit or bend forward.

Is walking good for spinal stenosis?
Usually, yes, in a form you can tolerate. Short walks with breaks, walking with a cart or poles, or cycling can help you stay active and build endurance.

Can physical therapy help spinal stenosis?
Yes, for many people. In a large trial, a six-week PT program led to similar two-year improvements in physical function as surgery, although many people in the PT group later chose surgery.

What exercises are good for spinal stenosis?
Flexion-based exercises, like knee-to-chest stretches, along with hip and leg strengthening and stationary cycling, often help. A physical therapist can choose what fits you.

Will spinal stenosis get worse?
It varies. Some people stay stable for years, some improve, and some get worse. Staying active and strong helps many people keep walking and doing what they enjoy.

When is surgery needed for spinal stenosis?
Surgery may be considered for severe or worsening symptoms, nerve weakness, or when other treatment hasn't helped enough. That decision is made with a spine surgeon.

Do I need a referral to see a physical therapist?
No, not to start. California allows direct access within the limits described above.

About Nova Physical Therapy

Nova Physical Therapy is an outpatient physical therapy clinic in North Hollywood, California, led by a Doctor of Physical Therapy. We help people recover from back and neck pain, sports injuries, work injuries, auto accident injuries, knee pain, and shoulder problems, and we also work with balance problems and rehab after surgery. Patients come to us from North Hollywood, Burbank, Studio City, Toluca Lake, Valley Village, and across the San Fernando Valley. Learn more about Nova or see our services.

Schedule an evaluation

If spinal stenosis is limiting how far you can walk or stand, an evaluation can help you find what eases it and build a plan to keep you moving.

Nova Physical Therapy
4795 Vineland Ave #E, North Hollywood, CA 91602
Call (818) 639-3402 | Book an appointment online

Disclaimer

This article is for general education only. It is not medical advice, a diagnosis, or a treatment recommendation for any individual. Leg and back pain have many causes, including circulation problems, and only an in-person evaluation can determine what is right for you. No treatment guarantees symptom resolution, and results vary. Physical therapists evaluate movement and function within their scope of practice and refer to physicians when findings warrant. Physical therapy in California is regulated by the Physical Therapy Board of California.

References

1. Delitto A, Piva SR, Moore CG, et al. Surgery versus nonsurgical treatment of lumbar spinal stenosis: a randomized trial. Ann Intern Med. 2015;162(7):465–473. Link
2. American Academy of Family Physicians. Physical therapy as effective as surgery for lumbar spinal stenosis (POEM summary). Am Fam Physician. 2015. Link
3. Mayo Clinic. Spinal stenosis: symptoms and causes. Link