Anatomy of the Sciatic Nerve & Piriformis Muscle

The sciatic nerve is the largest nerve in the body and travels from the lower spine through the buttock and down the leg. In many people, the nerve passes directly beneath the piriformis muscle, which is why tightness or irritation in this muscle can sometimes create sciatic-like symptoms.

What Is Sciatica?

Sciatica refers to irritation or compression of the sciatic nerve, which is the largest nerve in the body.

The sciatic nerve travels from the lower back through the hips and buttocks and down each leg. The nerve is formed from spinal nerve roots L4 through S3.

Sciatica is commonly associated with:

• disc irritation or herniation

• spinal joint dysfunction

• inflammation near the nerve roots

• degenerative changes in the lower back

Common Symptoms of Sciatica

People with sciatica may experience:

• pain radiating down the leg

• numbness or tingling

• burning sensations

• weakness in the leg

• lower back pain

• pain worsened by sitting or bending

Symptoms often travel below the knee and may affect only one side of the body.

What Is Piriformis Syndrome?

Piriformis syndrome occurs when the piriformis muscle—located deep in the buttock—irritates or compresses the sciatic nerve.

The piriformis muscle is a deep hip stabilizer that runs from the sacrum to the greater trochanter of the femur.

When the muscle becomes tight, inflamed, or overactive, it can create symptoms very similar to sciatica.

Common Symptoms of Piriformis Syndrome

Piriformis syndrome may cause:

• deep buttock pain

• hip tightness

• pain when sitting

• tenderness in the glute area

• pain that may travel into the leg

• discomfort with walking, running, or stairs

Unlike true lumbar sciatica, piriformis syndrome often causes more localized buttock pain and may not always extend far down the leg.

Key Differences Between Sciatica and Piriformis Syndrome

Pain Source

Sciatica

Usually originates from the lower back or lumbar spine.

Piriformis Syndrome

Typically originates in the buttock or hip region.

Symptom Pattern

Sciatica

Symptoms often travel below the knee into the calf or foot.

Piriformis Syndrome

Pain is commonly concentrated in the buttock and upper leg.

Movement Triggers

Sciatica

Symptoms may worsen with:

• bending

• coughing

• prolonged sitting

• spinal compression

Piriformis Syndrome

Symptoms often worsen with:

• sitting on hard surfaces

• climbing stairs

• running

• hip rotation movements

Muscle Tightness

Piriformis syndrome often involves:

• tight glute muscles

• reduced hip mobility

• tenderness in the buttock

Sciatica is more commonly associated with spinal irritation and nerve-related symptoms.

What Causes These Conditions?

Common Causes of Sciatica

Sciatica may develop from:

• herniated discs

• spinal irritation

• repetitive lifting

• prolonged sitting

• poor posture

• degenerative spinal changes

Common Causes of Piriformis Syndrome

Piriformis syndrome may be associated with:

• overuse injuries

• prolonged sitting

• running or sports activities

• hip muscle imbalance

• poor movement mechanics

• muscle tightness

Athletes and people who sit for long periods commonly experience piriformis-related symptoms.

Important Note About Piriformis Syndrome

Some medical professionals debate how common true piriformis syndrome actually is, since many cases of leg pain originate from the lumbar spine instead. However, irritation around the piriformis muscle and surrounding hip structures can still contribute to sciatic-like symptoms in some patients.

How Chiropractic Care May Help

Proper evaluation is important because treatment approaches may differ depending on the underlying cause.

At Frankos Chiropractic & Thrive IV, treatment may include:

• chiropractic adjustments

• mobility work

• stretching recommendations

• soft tissue therapy

• cupping therapy

• IASTM

• rehabilitation exercises

• shockwave therapy when appropriate

The goal is to improve movement, reduce irritation, and help patients return to normal activity comfortably.

Helpful Stretches & Mobility Work

For many patients, improving:

• hip mobility

• glute flexibility

• posture

• core stability

• spinal movement

can help reduce stress on the lower back and surrounding muscles.

Movement-based care is often an important part of recovery.

When Should You Seek Treatment?

You should consider evaluation if you experience:

• persistent leg pain

• numbness or tingling

• weakness

• worsening pain with sitting

• difficulty walking or exercising

• chronic lower back or buttock pain

Early treatment may help prevent symptoms from becoming more severe or chronic.

Sciatica & Piriformis Syndrome Treatment in Smithfield, Utah

At Frankos Chiropractic & Thrive IV, we help patients throughout Smithfield and Cache Valley recover from lower back pain, sciatica, piriformis syndrome, sports injuries, and mobility problems naturally.

Whether your pain is coming from the spine, hip, or surrounding muscles, identifying the source is the first step toward recovery.

👉 Schedule an appointment today to start moving and feeling better naturally.