Recovery Insights Blog | Foundational Rehab

What Is Sciatica?

Sciatica isn't a diagnosis—it's a symptom. It describes pain that radiates along the sciatic nerve, which runs from your lower back through your hips and buttocks and down each leg.

The pain typically affects only one side of your body. It can range from a mild ache to sharp, burning pain or even electric shock-like sensations. Some people also experience numbness, tingling, or muscle weakness in the affected leg.

What Causes Sciatic Pain

Several conditions can compress or irritate the sciatic nerve:

Herniated Disc (Most Common)

The cushioning discs between vertebrae can bulge or rupture, pressing on nerve roots that form the sciatic nerve. This accounts for about 90% of sciatica cases.

Spinal Stenosis

Narrowing of the spinal canal puts pressure on nerves. More common in adults over 50.

Piriformis Syndrome

The piriformis muscle in your buttock can spasm and irritate the sciatic nerve that runs beneath (or sometimes through) it.

Spondylolisthesis

When one vertebra slips forward over another, it can pinch nerve roots.

Bone Spurs

Overgrowth of bone on the vertebrae can narrow the space available for nerves.

Red Flags: When to See a Doctor

Most sciatica resolves with conservative treatment. But seek immediate medical attention if you experience:

Sudden, severe pain in your lower back or leg with numbness or muscle weakness

Pain following a violent injury (car accident, fall)

Loss of bladder or bowel control (emergency—cauda equina syndrome)

Progressive neurological symptoms (increasing numbness or weakness)

What Actually Helps

Phase 1: Acute Pain Management (Days 1-7)

Movement is medicine—but start gentle

Complete bed rest makes sciatica worse. Stay active, but avoid positions and activities that increase your pain.

Find your comfortable positions

Lying on your back with knees bent over pillows

Side-lying with pillow between knees

Standing or walking may feel better than sitting

Pain relief

Over-the-counter anti-inflammatories (ibuprofen, naproxen) can help, but check with your doctor. Ice or heat—whichever feels better for you.

Avoid

Prolonged sitting (worst position for disc-related sciatica)

Heavy lifting

Bending forward with straight legs

High-impact activities

Phase 2: Mobility and Decompression (Weeks 1-4)

Once acute pain subsides, specific movements help reduce nerve compression:

Nerve flossing (nerve glides)

Gentle movements that help the sciatic nerve move freely through surrounding tissues.

1. Sit on a chair with good posture

2. Straighten the affected leg, pointing toes up

3. Simultaneously look up at the ceiling

4. Then bend knee and look down

5. Perform 10-15 repetitions, slowly

Press-ups (McKenzie extension)

For disc-related sciatica, extension exercises can help:

1. Lie face down

2. Place hands under shoulders

3. Press up, lifting chest while keeping hips down

4. Hold 2 seconds, lower back down

5. Repeat 10 times, several times daily

Piriformis stretches

If piriformis syndrome is suspected:

1. Lie on back, knees bent

2. Cross affected leg over opposite knee

3. Pull uncrossed leg toward chest

4. Hold 30 seconds, repeat 3 times

Phase 3: Strengthening (Weeks 2-8+)

As pain decreases, building strength prevents recurrence:

Core stability

Dead bugs

Bird dogs

Modified planks

Pelvic tilts

Hip and glute strengthening

Glute bridges

Clamshells

Side-lying hip abduction

Monster walks with resistance band

General conditioning

Walking (start with 10-15 minutes, progress gradually)

Swimming or water walking

Stationary cycling (if tolerated)

What Doesn't Work (Or Makes Things Worse)

Stretching the hamstrings aggressively

When the sciatic nerve is already irritated, aggressive hamstring stretches add tension to the nerve. Go easy.

Prolonged bed rest

More than a day or two of rest leads to deconditioning and often prolongs recovery.

Ignoring it and pushing through

Sciatica is telling you something is wrong. Continuing activities that aggravate it can worsen nerve compression.

Expecting passive treatments to fix it

Massage, heat, and other passive modalities feel good but don't address the underlying cause. They're adjuncts, not solutions.

Timeline: What to Expect

**Mild sciatica:** Often improves within 4-6 weeks with conservative treatment

**Moderate sciatica:** May take 8-12 weeks for significant improvement

**Severe or chronic:** Some cases require 3-6 months of consistent rehabilitation

Most people with sciatica recover without surgery. Studies show that conservative treatment works in 80-90% of cases.

When Surgery Becomes an Option

Surgery is typically considered when:

Conservative treatment fails after 6-12 weeks

You have progressive neurological symptoms

You have cauda equina syndrome (emergency)

Pain is severe and significantly impacting quality of life

The most common procedure is a microdiscectomy—removing the portion of disc pressing on the nerve. Success rates are high (85-90%), but surgery isn't without risks.

Prevention: Keeping Sciatica From Coming Back

Once you've had sciatica, you're more likely to experience it again. Prevention strategies:

**Maintain a healthy weight** — less load on your spine

**Stay active** — regular exercise maintains spinal health

**Use good body mechanics** — lift with your legs, not your back

**Strengthen your core** — a stable core protects your spine

**Set up your workspace ergonomically** — especially if you sit for work

**Take movement breaks** — don't sit for hours without standing

The Bottom Line

Sciatica is painful and scary, but it's usually treatable. The key is understanding what's causing your symptoms, staying appropriately active, and gradually building the strength and mobility to protect your spine long-term.

Don't wait it out hoping it goes away. Start with gentle movement, find what helps, and progress systematically. Most people are significantly better within a few months—without surgery.

Sciatica: What Causes It and How to Get Real Relief