Sciatica

What Is Sciatica?

Sciatica is a term used to describe pain or nerve-related symptoms that follow the pathway of the sciatic nerve. The sciatic nerve is the largest nerve in the body. It begins from nerve roots in the lower spine, travels through the pelvis and buttock region, and continues down the back of the leg toward the calf and foot.

Sciatica is not usually a diagnosis by itself. It is a description of symptoms caused by irritation, compression, or sensitivity of the sciatic nerve or the nerve roots that contribute to it. This means the underlying reason for sciatic pain can vary from person to person.

Some individuals experience sciatica from irritation near the lumbar spine, such as a herniated disc, bulging disc, spinal stenosis, or lumbar joint irritation. Others may experience symptoms from tension or compression farther along the nerve pathway, such as through the pelvis, glutes, deep hip muscles, hamstrings, or surrounding fascial tissues.

Because the sciatic nerve travels through multiple regions, there can be several potential points of compression or irritation. The source may depend on what is happening in that area. For example, a spinal joint restriction may influence the nerve root as it exits the spine. A disc issue may irritate the nerve in the lower back. A tight piriformis or deep glute muscle may create tension near the buttock. Hip mechanics, pelvic alignment, or fascial restrictions may also influence how freely the nerve can move.

This is why sciatica should be assessed through the full nerve pathway, not only where the pain is felt.

Individuals May Experience

• Pain travelling from the lower back into the buttock or leg

• Pain that runs down the back of the thigh

• Tingling or numbness along the leg or foot

• Burning, sharp, or electric-like sensations

• Weakness in the leg or foot

• Increased discomfort during sitting

• Pain with bending, lifting, or twisting

• Symptoms that worsen with prolonged driving

• Tightness in the glutes, hips, or hamstrings

• Difficulty standing upright during a flare-up

• Pain that changes with posture or position

• Discomfort with walking, stairs, or exercise

• A feeling of heaviness or sensitivity in the leg

• Symptoms that travel farther down the leg during flare-ups

• Protective muscle guarding in the lower back or hips

More urgent medical assessment is needed if symptoms include progressive leg weakness, numbness in the groin or saddle region, loss of bladder or bowel control, severe unrelenting pain, major trauma, or rapidly worsening neurological symptoms.

What Contributes to Sciatica?

Several factors may influence irritation of the sciatic nerve or the nerve roots that form it, including:

• Disc changes in the lumbar spine

• Herniated or bulging discs

• Lumbar joint irritation

• Spinal stenosis or narrowing around nerve pathways

• Piriformis or deep glute muscle tension

• Reduced spinal mobility

• Sacroiliac joint or pelvic mechanics

• Muscle imbalances in the hips and core

• Prolonged sitting posture

• Repetitive bending or lifting

• Limited hip mobility

• Tight hamstrings or glutes

• Poor load management during work, sport, or training

• Protective muscle guarding after back or hip pain

• Fascial tension along the lower back, pelvis, and leg

These factors may increase pressure, compression, or tension along the sciatic nerve pathway.

The location of nerve irritation matters. If the issue is near the spine, symptoms may be influenced by disc pressure, facet joint mechanics, spinal stiffness, or narrowing where the nerve exits. If the issue is near the pelvis or hip, symptoms may be influenced by sacroiliac joint mechanics, piriformis tension, glute tension, or fascial restriction. If the issue is farther down the leg, hamstring tension, calf tension, or surrounding tissue restrictions may affect how the nerve glides.

Nerves need space and freedom to move through surrounding tissues. If the mechanical environment around the nerve becomes restricted, inflamed, compressed, or tense, the nerve may become irritated. This can create symptoms that travel away from the original source of compression.

How Manual Therapy May Help

Manual therapy and rehabilitation may help by assessing the mechanical factors that influence the sciatic nerve pathway. The goal is not to “release the nerve” in a forceful way, but to reduce unnecessary tension, improve mobility, and support better movement around the structures that may be irritating the nerve.

Care may focus on:

• Improving lumbar spine mobility

• Reducing muscle guarding

• Improving hip and pelvic mechanics

• Supporting nerve mobility

• Strengthening the core and hips

• Addressing posture and sitting tolerance

• Improving movement patterns during bending, lifting, and walking

• Reducing compensation throughout the lower body

A proper care plan should be based on where the nerve appears to be irritated and what structures may be contributing to that irritation.

Osteopathic Manual Therapy

Osteopathic Manual Therapy may evaluate how the lumbar spine, pelvis, sacroiliac joints, hips, and surrounding tissues move together. Since the sciatic nerve travels through the lower back, pelvis, buttock, and leg, osteopathic care may assess the entire pathway rather than only the painful area.

Treatment may include:

• Improving mobility of the lumbar spine

• Addressing sacroiliac joint mechanics

• Reducing fascial tension in the pelvis and hips

• Improving movement of surrounding joints

• Supporting coordinated movement through the lower body

• Assessing pelvic alignment and load transfer

• Addressing deep glute and hip tension that may influence the nerve pathway

• Improving hip mobility to reduce lumbar or pelvic strain

• Reducing protective muscle guarding in the lower back and glutes

• Supporting more balanced movement between the spine, pelvis, and legs

Osteopathic care often focuses on improving mobility and reducing mechanical tension affecting the nerve pathway. If a nerve is being irritated because the surrounding joints, muscles, or fascia are placing pressure on it, improving those structures may help reduce strain along the pathway.

For example, if lumbar joint mechanics are contributing to nerve irritation near the spine, treatment may focus on improving spinal and pelvic movement. If deep hip tension is contributing to compression near the buttock, treatment may focus on the pelvis, hip, glutes, and surrounding fascia. If compensation patterns have developed from pain, care may also address the hips, knees, ankles, and lower back.

Physiotherapy

Physiotherapy rehabilitation may help improve spinal support, nerve mobility, hip strength, and movement control. This is especially important when sciatic symptoms are aggravated by sitting, bending, lifting, walking, driving, work tasks, gym training, or sport.

Treatment may include:

• Core stabilization exercises

• Nerve mobility or nerve gliding techniques

• Hip strengthening exercises

• Glute strengthening

• Postural retraining

• Activity modification during recovery

• Movement retraining for bending and lifting

• Walking and activity progression

• Mobility exercises for the hips and lower back

• Education on sitting, driving, and desk strategies

• Gradual return to exercise or sport

• Load management to reduce repeated flare-ups

These exercises help improve spinal support and movement control during daily activity. Physiotherapy may also help reduce the risk of recurring sciatica by improving strength and mechanics around the lower back, pelvis, and hips.

The goal is to help the body tolerate movement without repeatedly irritating the nerve.

Massage Therapy

Massage therapy may assist by addressing muscular tension near the sciatic nerve pathway. When the nerve is irritated, the body often tightens surrounding muscles to protect the area. This may include the lower back, glutes, piriformis region, hamstrings, hips, and calves.

Treatment may include:

• Reducing tightness in the glutes and hips

• Improving circulation in surrounding soft tissues

• Addressing tension in the lower back muscles

• Supporting relaxation of protective muscle guarding

• Reducing compensatory tension patterns

• Addressing tightness along the posterior chain

• Improving comfort during flare-ups

• Supporting relaxation alongside mobility and strengthening work

Massage therapy may help relieve muscular tension that contributes to sciatic discomfort. It is most effective when combined with assessment of spinal mechanics, hip mobility, posture, strengthening, and movement strategies.

Book an Assessment

If pain, tingling, numbness, burning, or weakness is travelling from your lower back into your buttock, hip, leg, or foot, our team can assess spinal and hip mechanics to help guide an appropriate care plan.

A comprehensive assessment can help identify whether your sciatica may be influenced by lumbar spine mechanics, disc-related irritation, pelvic alignment, sacroiliac joint mobility, hip restriction, piriformis tension, nerve mobility, posture, or compression along the sciatic nerve pathway.